- name: 2d.path.initial
  #mozilla: { bug: TODO }
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.closePath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.beginPath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.moveTo.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(0, 0, 10, 50);
    ctx.moveTo(100, 0);
    ctx.lineTo(10, 0);
    ctx.lineTo(10, 50);
    ctx.lineTo(100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 90,25 == 0,255,0,255;
  expected: green

- name: 2d.path.moveTo.newsubpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.moveTo(100, 0);
    ctx.moveTo(100, 50);
    ctx.moveTo(0, 50);
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.moveTo.multiple
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.moveTo(0, 25);
    ctx.moveTo(100, 25);
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.moveTo.nonfinite
  desc: moveTo() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.moveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.closePath.empty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.closePath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.closePath.newline
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -100);
    ctx.lineTo(200, -100);
    ctx.lineTo(200, 25);
    ctx.closePath();
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.closePath.nextpoint
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -1000);
    ctx.closePath();
    ctx.lineTo(1000, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.ensuresubpath.1
  desc: If there is no subpath, the point is added and nothing is drawn
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.lineTo(100, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.ensuresubpath.2
  desc: If there is no subpath, the point is added and used for subsequent drawing
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.lineTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.nextpoint
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(-100, -100);
    ctx.lineTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.nonfinite
  desc: lineTo() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.lineTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.lineTo.nonfinite.details
  desc: lineTo() with Infinity/NaN for first arg still converts the second arg
  code: |
    for (var arg1 of [Infinity, -Infinity, NaN]) {
      var converted = false;
      ctx.lineTo(arg1, { valueOf: function() { converted = true; return 0; } });
      @assert converted;
    }
  expected: clear

- name: 2d.path.quadraticCurveTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.quadraticCurveTo(100, 50, 200, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 95,45 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.quadraticCurveTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.quadraticCurveTo(0, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 5,45 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.quadraticCurveTo.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.quadraticCurveTo(100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.quadraticCurveTo.shape
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 55;
    ctx.beginPath();
    ctx.moveTo(-1000, 1050);
    ctx.quadraticCurveTo(0, -1000, 1200, 1050);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.quadraticCurveTo.scaled
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(1000, 1000);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 0.055;
    ctx.beginPath();
    ctx.moveTo(-1, 1.05);
    ctx.quadraticCurveTo(0, -1, 1.2, 1.05);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.quadraticCurveTo.nonfinite
  desc: quadraticCurveTo() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.quadraticCurveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.bezierCurveTo(100, 50, 200, 50, 200, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 95,45 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.bezierCurveTo(0, 25, 100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 5,45 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.bezierCurveTo(100, 25, 100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.shape
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 55;
    ctx.beginPath();
    ctx.moveTo(-2000, 3100);
    ctx.bezierCurveTo(-2000, -1000, 2100, -1000, 2100, 3100);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.scaled
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(1000, 1000);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 0.055;
    ctx.beginPath();
    ctx.moveTo(-2, 3.1);
    ctx.bezierCurveTo(-2, -1, 2.1, -1, 2.1, 3.1);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.bezierCurveTo.nonfinite
  desc: bezierCurveTo() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.bezierCurveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arcTo(100, 50, 200, 50, 0.1);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arcTo(0, 25, 50, 250, 0.1); // adds (x1,y1), draws nothing
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.ensuresubpath.3
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arcTo(50, 0, 50, 100, 100);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.coincide.1
  desc: arcTo() has no effect if P0 = P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(0, 25, 50, 1000, 1);
    ctx.lineTo(100, 25);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arcTo(50, 25, 100, 25, 1);
    ctx.stroke();

    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.coincide.2
  desc: arcTo() draws a straight line to P1 if P1 = P2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, 100, 25, 1);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.collinear.1
  desc: arcTo() with all points on a line, and P1 between P0/P2, draws a straight
    line to P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, 200, 25, 1);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(-100, 25);
    ctx.arcTo(0, 25, 100, 25, 1);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.collinear.2
  desc: arcTo() with all points on a line, and P2 between P0/P1, draws a straight
    line to P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, 10, 25, 1);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 25);
    ctx.arcTo(200, 25, 110, 25, 1);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.collinear.3
  desc: arcTo() with all points on a line, and P0 between P1/P2, draws a straight
    line to P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, -100, 25, 1);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 25);
    ctx.arcTo(200, 25, 0, 25, 1);
    ctx.stroke();

    ctx.beginPath();
    ctx.moveTo(-100, 25);
    ctx.arcTo(0, 25, -200, 25, 1);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.shape.curve1
  desc: arcTo() curves in the right kind of shape
  code: |
    var tol = 1.5; // tolerance to avoid antialiasing artifacts

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 10;
    ctx.beginPath();
    ctx.moveTo(10, 25);
    ctx.arcTo(75, 25, 75, 60, 20);
    ctx.stroke();

    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.rect(10, 20, 45, 10);
    ctx.moveTo(80, 45);
    ctx.arc(55, 45, 25+tol, 0, -Math.PI/2, true);
    ctx.arc(55, 45, 15-tol, -Math.PI/2, 0, false);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 55,19 == 0,255,0,255;
    @assert pixel 55,20 == 0,255,0,255;
    @assert pixel 55,21 == 0,255,0,255;
    @assert pixel 64,22 == 0,255,0,255;
    @assert pixel 65,21 == 0,255,0,255;
    @assert pixel 72,28 == 0,255,0,255;
    @assert pixel 73,27 == 0,255,0,255;
    @assert pixel 78,36 == 0,255,0,255;
    @assert pixel 79,35 == 0,255,0,255;
    @assert pixel 80,44 == 0,255,0,255;
    @assert pixel 80,45 == 0,255,0,255;
    @assert pixel 80,46 == 0,255,0,255;
    @assert pixel 65,45 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.shape.curve2
  desc: arcTo() curves in the right kind of shape
  code: |
    var tol = 1.5; // tolerance to avoid antialiasing artifacts

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.rect(10, 20, 45, 10);
    ctx.moveTo(80, 45);
    ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true);
    ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false);
    ctx.fill();

    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 10;
    ctx.beginPath();
    ctx.moveTo(10, 25);
    ctx.arcTo(75, 25, 75, 60, 20);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 55,19 == 0,255,0,255;
    @assert pixel 55,20 == 0,255,0,255;
    @assert pixel 55,21 == 0,255,0,255;
    @assert pixel 64,22 == 0,255,0,255;
    @assert pixel 65,21 == 0,255,0,255;
    @assert pixel 72,28 == 0,255,0,255;
    @assert pixel 73,27 == 0,255,0,255;
    @assert pixel 78,36 == 0,255,0,255;
    @assert pixel 79,35 == 0,255,0,255;
    @assert pixel 80,44 == 0,255,0,255;
    @assert pixel 80,45 == 0,255,0,255;
    @assert pixel 80,46 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.shape.start
  desc: arcTo() draws a straight line from P0 to P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(200, 25, 200, 50, 10);
    ctx.stroke();

    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.shape.end
  desc: arcTo() does not draw anything from P1 to P2
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(-100, -100);
    ctx.arcTo(-100, 25, 200, 25, 10);
    ctx.stroke();

    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.negative
  desc: arcTo() with negative radius throws an exception
  code: |
    @assert throws INDEX_SIZE_ERR ctx.arcTo(0, 0, 0, 0, -1);
    var path = new Path2D();
    @assert throws INDEX_SIZE_ERR path.arcTo(10, 10, 20, 20, -5);

- name: 2d.path.arcTo.zero.1
  desc: arcTo() with zero radius draws a straight line from P0 to P1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, 100, 100, 0);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(0, -25);
    ctx.arcTo(50, -25, 50, 50, 0);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.zero.2
  desc: arcTo() with zero radius draws a straight line from P0 to P1, even when all
    points are collinear
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;

    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arcTo(100, 25, -100, 25, 0);
    ctx.stroke();

    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 25);
    ctx.arcTo(200, 25, 50, 25, 0);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.transformation
  desc: arcTo joins up to the last subpath point correctly
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 50);
    ctx.translate(100, 0);
    ctx.arcTo(50, 50, 50, 0, 50);
    ctx.lineTo(-100, 0);
    ctx.fill();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.scale
  desc: arcTo scales the curve, not just the control points
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 50);
    ctx.translate(100, 0);
    ctx.scale(0.1, 1);
    ctx.arcTo(50, 50, 50, 0, 50);
    ctx.lineTo(-1000, 0);
    ctx.fill();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.arcTo.nonfinite
  desc: arcTo() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.arcTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green


- name: 2d.path.arc.empty
  desc: arc() with an empty path does not draw a straight line to the start point
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(200, 25, 5, 0, 2*Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.nonempty
  desc: arc() with a non-empty path does draw a straight line to the start point
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arc(200, 25, 5, 0, 2*Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.end
  desc: arc() adds the end point of the arc to the subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(-100, 0);
    ctx.arc(-100, 0, 25, -Math.PI/2, Math.PI/2, true);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.default
  desc: arc() with missing last argument defaults to clockwise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, -Math.PI, Math.PI/2);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.1
  desc: arc() draws pi/2 .. -pi anticlockwise correctly
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, Math.PI/2, -Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.2
  desc: arc() draws -3pi/2 .. -pi anticlockwise correctly
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, -3*Math.PI/2, -Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.3
  desc: arc() wraps angles mod 2pi when anticlockwise and end > start+2pi
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, (512+1/2)*Math.PI, (1024-1)*Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.4
  desc: arc() draws a full circle when clockwise and end > start+2pi
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 60, (512+1/2)*Math.PI, (1024-1)*Math.PI, false);
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.5
  desc: arc() wraps angles mod 2pi when clockwise and start > end+2pi
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, (1024-1)*Math.PI, (512+1/2)*Math.PI, false);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.angle.6
  desc: arc() draws a full circle when anticlockwise and start > end+2pi
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 60, (1024-1)*Math.PI, (512+1/2)*Math.PI, true);
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.zero.1
  desc: arc() draws nothing when startAngle = endAngle and anticlockwise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 0, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.zero.2
  desc: arc() draws nothing when startAngle = endAngle and clockwise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 0, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.twopie.1
  desc: arc() draws nothing when end = start + 2pi-e and anticlockwise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI - 1e-4, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.twopie.2
  desc: arc() draws a full circle when end = start + 2pi-e and clockwise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI - 1e-4, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.twopie.3
  desc: arc() draws a full circle when end = start + 2pi+e and anticlockwise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI + 1e-4, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.twopie.4
  desc: arc() draws nothing when end = start + 2pi+e and clockwise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI + 1e-4, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.twopie.5
  desc: arc() draws correctly when start = 2 and end = start + 2pi+e and clockwise
  code: |
    ctx.fillStyle = '#fff';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#000';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 50, 2, 2 + 2*Math.PI, false);
    ctx.closePath();
    ctx.fill();
    @assert pixel 95,25 == 0,0,0,255;

- name: 2d.path.arc.twopie.6
  desc: arc() draws correctly when start = 5 and end = start + 2pi+e and clockwise
  code: |
    ctx.fillStyle = '#fff';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#000';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 50, 5, 5 + 2*Math.PI, false);
    ctx.closePath();
    ctx.fill();
    @assert pixel 5,25 == 0,0,0,255;

- name: 2d.path.arc.shape.1
  desc: arc() from 0 to pi does not draw anything in the wrong half
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(50, 50, 50, 0, Math.PI, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 20,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.shape.2
  desc: arc() from 0 to pi draws stuff in the right half
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 100;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(50, 50, 50, 0, Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 20,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.shape.3
  desc: arc() from 0 to -pi/2 does not draw anything in the wrong quadrant
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 100;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(0, 50, 50, 0, -Math.PI/2, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.shape.4
  desc: arc() from 0 to -pi/2 draws stuff in the right quadrant
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 150;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(-50, 50, 100, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.shape.5
  desc: arc() from 0 to 5pi does not draw crazy things
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 200;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(300, 0, 100, 0, 5*Math.PI, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.selfintersect.1
  desc: arc() with lineWidth > 2*radius is drawn sensibly
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 200;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(100, 50, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    ctx.beginPath();
    ctx.arc(0, 0, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.selfintersect.2
  desc: arc() with lineWidth > 2*radius is drawn sensibly
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 180;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(-50, 50, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    ctx.beginPath();
    ctx.arc(100, 0, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,10 == 0,255,0,255;
    @assert pixel 97,1 == 0,255,0,255;
    @assert pixel 97,2 == 0,255,0,255;
    @assert pixel 97,3 == 0,255,0,255;
    @assert pixel 2,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.negative
  desc: arc() with negative radius throws INDEX_SIZE_ERR
  code: |
    @assert throws INDEX_SIZE_ERR ctx.arc(0, 0, -1, 0, 0, true);
    var path = new Path2D();
    @assert throws INDEX_SIZE_ERR path.arc(10, 10, -5, 0, 1, false);

- name: 2d.path.arc.zeroradius
  desc: arc() with zero radius draws a line to the start point
  code: |
    ctx.fillStyle = '#f00'
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arc(200, 25, 0, 0, Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.scale.1
  desc: Non-uniformly scaled arcs are the right shape
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(2, 0.5);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(25, 50, 56, 0, 2*Math.PI, false);
    ctx.fill();
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(-25, 50);
    ctx.arc(-25, 50, 24, 0, 2*Math.PI, false);
    ctx.moveTo(75, 50);
    ctx.arc(75, 50, 24, 0, 2*Math.PI, false);
    ctx.moveTo(25, -25);
    ctx.arc(25, -25, 24, 0, 2*Math.PI, false);
    ctx.moveTo(25, 125);
    ctx.arc(25, 125, 24, 0, 2*Math.PI, false);
    ctx.fill();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.scale.2
  desc: Highly scaled arcs are the right shape
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(100, 100);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 1.2;
    ctx.beginPath();
    ctx.arc(0, 0, 0.6, 0, Math.PI/2, false);
    ctx.stroke();

    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,25 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.arc.nonfinite
  desc: arc() with Infinity/NaN is ignored
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.arc(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <2*Math.PI Infinity -Infinity NaN>, <true>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.closed.arc
  desc: line caps should not be drawn on closed arcs
  size: [300, 300]
  code: |
    ctx.beginPath();
    ctx.strokeStyle = 'red';
    ctx.lineWidth = 20;
    ctx.lineCap = 'square';
    ctx.arc(150, 150, 50, 0, 2 * Math.PI);
    ctx.closePath();
    ctx.stroke();
    // The pixel (209, 148) is part of the line cap, but not part of the circle.
    // Linecap is not drawn if the circle is closed, so the pixel is not red.
    assert_not_equals(ctx.getImageData(209, 148, 1, 1).data, [255, 0, 0, 255])

- name: 2d.path.open.arc
  desc: line caps should be drawn on open arcs
  size: [300, 300]
  code: |
    ctx.beginPath();
    ctx.strokeStyle = 'red';
    ctx.lineWidth = 20;
    ctx.lineCap = 'square';
    ctx.arc(150, 150, 50, 0, 2 * Math.PI);
    ctx.stroke();
    // The pixel (209, 148) is part of the line cap, but not part of the circle.
    // Linecap is drawn with 360 degree arc, so the pixel is red.
    @assert pixel 209,148 ==~ 255,0,0,255 +/- 1;

- name: 2d.path.rect.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.rect(0, 0, 100, 50);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.newsubpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-50, 25);
    ctx.rect(200, 25, 1, 1);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.closed
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 200;
    ctx.lineJoin = 'miter';
    ctx.rect(100, 50, 100, 100);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.end.1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.rect(200, 100, 400, 1000);
    ctx.lineTo(-2000, -1000);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.end.2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 450;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'bevel';
    ctx.rect(150, 150, 2000, 2000);
    ctx.lineTo(160, 160);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(0, 50, 100, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(50, -100, 0, 250);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.3
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(50, 25, 0, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.4
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.rect(100, 25, 0, 0);
    ctx.lineTo(0, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.5
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(0, 0);
    ctx.rect(100, 25, 0, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.rect.zero.6
  #mozilla: { bug: TODO }
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 1.5;
    ctx.lineWidth = 200;
    ctx.beginPath();
    ctx.rect(100, 25, 1000, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.rect.negative
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#0f0';
    ctx.rect(0, 0, 50, 25);
    ctx.rect(100, 0, -50, 25);
    ctx.rect(0, 50, 50, -25);
    ctx.rect(100, 50, -50, -25);
    ctx.fill();
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;

- name: 2d.path.rect.winding
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#f00';
    ctx.rect(0, 0, 50, 50);
    ctx.rect(100, 50, -50, -50);
    ctx.rect(0, 25, 100, -25);
    ctx.rect(100, 25, -100, 25);
    ctx.fill();
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;

- name: 2d.path.rect.selfintersect
  #mozilla: { bug: TODO }
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 90;
    ctx.beginPath();
    ctx.rect(45, 20, 10, 10);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.rect.nonfinite
  desc: rect() with Infinity/NaN is ignored
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.rect(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.newsubpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-50, 25);
    ctx.roundRect(200, 25, 1, 1, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.closed
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 200;
    ctx.lineJoin = 'miter';
    ctx.roundRect(100, 50, 100, 100, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.end.1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.roundRect(200, 100, 400, 1000, [0]);
    ctx.lineTo(-2000, -1000);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.end.2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 450;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'bevel';
    ctx.roundRect(150, 150, 2000, 2000, [0]);
    ctx.lineTo(160, 160);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.end.3
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.roundRect(101, 51, 2000, 2000, [500, 500, 500, 500]);
    ctx.lineTo(-1, -1);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.end.4
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 10;
    ctx.roundRect(-1, -1, 2000, 2000, [1000, 1000, 1000, 1000]);
    ctx.lineTo(-150, -150);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.roundRect(0, 50, 100, 0, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.roundRect(50, -100, 0, 250, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.3
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.roundRect(50, 25, 0, 0, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.4
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.roundRect(100, 25, 0, 0, [0]);
    ctx.lineTo(0, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.5
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(0, 0);
    ctx.roundRect(100, 25, 0, 0, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.zero.6
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 1.5;
    ctx.lineWidth = 200;
    ctx.beginPath();
    ctx.roundRect(100, 25, 1000, 0, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.negative
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#0f0';
    ctx.roundRect(0, 0, 50, 25, [10, 0, 0, 0]);
    ctx.roundRect(100, 0, -50, 25, [10, 0, 0, 0]);
    ctx.roundRect(0, 50, 50, -25, [10, 0, 0, 0]);
    ctx.roundRect(100, 50, -50, -25, [10, 0, 0, 0]);
    ctx.fill();
    // All rects drawn
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;
    // Correct corners are rounded.
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 1,48 == 255,0,0,255;
    @assert pixel 98,48 == 255,0,0,255;

- name: 2d.path.roundrect.winding
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#f00';
    ctx.roundRect(0, 0, 50, 50, [0]);
    ctx.roundRect(100, 50, -50, -50, [0]);
    ctx.roundRect(0, 25, 100, -25, [0]);
    ctx.roundRect(100, 25, -100, 25, [0]);
    ctx.fill();
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;

- name: 2d.path.roundrect.selfintersect
  code: |
    ctx.fillStyle = '#f00';
    ctx.roundRect(0, 0, 100, 50, [0]);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 90;
    ctx.beginPath();
    ctx.roundRect(45, 20, 10, 10, [0]);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.nonfinite
  desc: roundRect() with Infinity/NaN is ignored
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50)
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.roundRect(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <[0] [Infinity] [-Infinity] [NaN] [Infinity,0] [-Infinity,0] [NaN,0] [0,Infinity] [0,-Infinity] [0,NaN] [Infinity,0,0] [-Infinity,0,0] [NaN,0,0] [0,Infinity,0] [0,-Infinity,0] [0,NaN,0] [0,0,Infinity] [0,0,-Infinity] [0,0,NaN] [Infinity,0,0,0] [-Infinity,0,0,0] [NaN,0,0,0] [0,Infinity,0,0] [0,-Infinity,0,0] [0,NaN,0,0] [0,0,Infinity,0] [0,0,-Infinity,0] [0,0,NaN,0] [0,0,0,Infinity] [0,0,0,-Infinity] [0,0,0,NaN]>);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(10, Infinity)]);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(10, -Infinity)]);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(10, NaN)]);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(Infinity, 10)]);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(-Infinity, 10)]);
    ctx.roundRect(0, 0, 100, 100, [new DOMPoint(NaN, 10)]);
    ctx.roundRect(0, 0, 100, 100, [{x: 10, y: Infinity}]);
    ctx.roundRect(0, 0, 100, 100, [{x: 10, y: -Infinity}]);
    ctx.roundRect(0, 0, 100, 100, [{x: 10, y: NaN}]);
    ctx.roundRect(0, 0, 100, 100, [{x: Infinity, y: 10}]);
    ctx.roundRect(0, 0, 100, 100, [{x: -Infinity, y: 10}]);
    ctx.roundRect(0, 0, 100, 100, [{x: NaN, y: 10}]);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
  expected: green

- name: 2d.path.roundrect.4.radii.1.double
  desc: Verify that when four radii are given to roundRect(), the first radius, specified as a double, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [20, 0, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.1.dompoint
  desc: Verify that when four radii are given to roundRect(), the first radius, specified as a DOMPoint, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [new DOMPoint(40, 20), 0, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.1.dompointinit
  desc: Verify that when four radii are given to roundRect(), the first radius, specified as a DOMPointInit, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [{x: 40, y: 20}, 0, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.2.double
  desc: Verify that when four radii are given to roundRect(), the second radius, specified as a double, applies to the top-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 20, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.2.dompoint
  desc: Verify that when four radii are given to roundRect(), the second radius, specified as a DOMPoint, applies to the top-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, new DOMPoint(40, 20), 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.2.dompointinit
  desc: Verify that when four radii are given to roundRect(), the second radius, specified as a DOMPointInit, applies to the top-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, {x: 40, y: 20}, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.3.double
  desc: Verify that when four radii are given to roundRect(), the third radius, specified as a double, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, 20, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 255,0,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.3.dompoint
  desc: Verify that when four radii are given to roundRect(), the third radius, specified as a DOMPoint, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, new DOMPoint(40, 20), 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.3.dompointinit
  desc: Verify that when four radii are given to roundRect(), the third radius, specified as a DOMPointInit, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, {x: 40, y: 20}, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.4.double
  desc: Verify that when four radii are given to roundRect(), the fourth radius, specified as a double, applies to the bottom-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, 0, 20]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 255,0,0,255;

- name: 2d.path.roundrect.4.radii.4.dompoint
  desc: Verify that when four radii are given to roundRect(), the fourth radius, specified as a DOMPoint, applies to the bottom-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, 0, new DOMPoint(40, 20)]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.4.radii.4.dompointinit
  desc: Verify that when four radii are given to roundRect(), the fourth radius, specified as a DOMPointInit, applies to the bottom-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, 0, {x: 40, y: 20}]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.1.double
  desc: Verify that when three radii are given to roundRect(), the first radius, specified as a double, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [20, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.1.dompoint
  desc: Verify that when three radii are given to roundRect(), the first radius, specified as a DOMPoint, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [new DOMPoint(40, 20), 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.1.dompointinit
  desc: Verify that when three radii are given to roundRect(), the first radius, specified as a DOMPointInit, applies to the top-left corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [{x: 40, y: 20}, 0, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.2.double
  desc: Verify that when three radii are given to roundRect(), the second radius, specified as a double, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 20, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 255,0,0,255;

- name: 2d.path.roundrect.3.radii.2.dompoint
  desc: Verify that when three radii are given to roundRect(), the second radius, specified as a DOMPoint, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, new DOMPoint(40, 20), 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.2.dompointinit
  desc: Verify that when three radii are given to roundRect(), the second radius, specified as a DOMPoint, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, {x: 40, y: 20}, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.3.double
  desc: Verify that when three radii are given to roundRect(), the third radius, specified as a double, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, 20]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 255,0,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.3.dompoint
  desc: Verify that when three radii are given to roundRect(), the third radius, specified as a DOMPoint, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, new DOMPoint(40, 20)]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.3.radii.3.dompointinit
  desc: Verify that when three radii are given to roundRect(), the third radius, specified as a DOMPointInit, applies to the bottom-right corner.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 0, {x: 40, y: 20}]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.2.radii.1.double
  desc: Verify that when two radii are given to roundRect(), the first radius, specified as a double, applies to the top-left and bottom-right corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [20, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 255,0,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.2.radii.1.dompoint
  desc: Verify that when two radii are given to roundRect(), the first radius, specified as a DOMPoint, applies to the top-left and bottom-right corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [new DOMPoint(40, 20), 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.2.radii.1.dompointinit
  desc: Verify that when two radii are given to roundRect(), the first radius, specified as a DOMPointInit, applies to the top-left and bottom-right corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [{x: 40, y: 20}, 0]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // other corners
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;

- name: 2d.path.roundrect.2.radii.2.double
  desc: Verify that when two radii are given to roundRect(), the second radius, specified as a double, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, 20]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    @assert pixel 1,48 == 255,0,0,255;

- name: 2d.path.roundrect.2.radii.2.dompoint
  desc: Verify that when two radii are given to roundRect(), the second radius, specified as a DOMPoint, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, new DOMPoint(40, 20)]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.2.radii.2.dompointinit
  desc: Verify that when two radii are given to roundRect(), the second radius, specified as a DOMPointInit, applies to the top-right and bottom-left corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [0, {x: 40, y: 20}]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

    // other corners
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;

- name: 2d.path.roundrect.1.radius.double
  desc: Verify that when one radius is given to roundRect(), specified as a double, it applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [20]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 98,48 == 255,0,0,255;
    @assert pixel 1,48 == 255,0,0,255;

- name: 2d.path.roundrect.1.radius.double.single.argument
  desc: Verify that when one radius is given to roundRect() as a non-array argument, specified as a double, it applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, 20);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 98,48 == 255,0,0,255;
    @assert pixel 1,48 == 255,0,0,255;

- name: 2d.path.roundrect.1.radius.dompoint
  desc: Verify that when one radius is given to roundRect(), specified as a DOMPoint, it applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [new DOMPoint(40, 20)]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

- name: 2d.path.roundrect.1.radius.dompoint.single.argument
  desc: Verify that when one radius is given to roundRect() as a non-array argument, specified as a DOMPoint, it applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, new DOMPoint(40, 20));
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

- name: 2d.path.roundrect.1.radius.dompointinit
  desc: Verify that when one radius is given to roundRect(), specified as a DOMPointInit, applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [{x: 40, y: 20}]);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

- name: 2d.path.roundrect.1.radius.dompointinit.single.argument
  desc: Verify that when one radius is given to roundRect() as a non-array argument, specified as a DOMPointInit, applies to all corners.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, {x: 40, y: 20});
    ctx.fillStyle = '#0f0';
    ctx.fill();

    // top-left corner
    @assert pixel 20,1 == 255,0,0,255;
    @assert pixel 41,1 == 0,255,0,255;
    @assert pixel 1,10 == 255,0,0,255;
    @assert pixel 1,21 == 0,255,0,255;

    // top-right corner
    @assert pixel 79,1 == 255,0,0,255;
    @assert pixel 58,1 == 0,255,0,255;
    @assert pixel 98,10 == 255,0,0,255;
    @assert pixel 98,21 == 0,255,0,255;

    // bottom-right corner
    @assert pixel 79,48 == 255,0,0,255;
    @assert pixel 58,48 == 0,255,0,255;
    @assert pixel 98,39 == 255,0,0,255;
    @assert pixel 98,28 == 0,255,0,255;

    // bottom-left corner
    @assert pixel 20,48 == 255,0,0,255;
    @assert pixel 41,48 == 0,255,0,255;
    @assert pixel 1,39 == 255,0,0,255;
    @assert pixel 1,28 == 0,255,0,255;

- name: 2d.path.roundrect.radius.intersecting.1
  desc: Check that roundRects with intersecting corner arcs are rendered correctly.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [40, 40, 40, 40]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 2,25 == 0,255,0,255;
    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 97,25 == 0,255,0,255;
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 1,48 == 255,0,0,255;
    @assert pixel 98,48 == 255,0,0,255;

- name: 2d.path.roundrect.radius.intersecting.2
  desc: Check that roundRects with intersecting corner arcs are rendered correctly.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(0, 0, 100, 50, [1000, 1000, 1000, 1000]);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 2,25 == 0,255,0,255;
    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 97,25 == 0,255,0,255;
    @assert pixel 1,1 == 255,0,0,255;
    @assert pixel 98,1 == 255,0,0,255;
    @assert pixel 1,48 == 255,0,0,255;
    @assert pixel 98,48 == 255,0,0,255;

- name: 2d.path.roundrect.radius.none
  desc: Check that roundRect throws an RangeError if radii is an empty array.
  code: |
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 100, 50, [])});

- name: 2d.path.roundrect.radius.noargument
  desc: Check that roundRect draws a rectangle when no radii are provided.
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.roundRect(10, 10, 80, 30);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    // upper left corner (10, 10)
    @assert pixel 10,9 == 255,0,0,255;
    @assert pixel 9,10 == 255,0,0,255;
    @assert pixel 10,10 == 0,255,0,255;

    // upper right corner (89, 10)
    @assert pixel 90,10 == 255,0,0,255;
    @assert pixel 89,9 == 255,0,0,255;
    @assert pixel 89,10 == 0,255,0,255;

    // lower right corner (89, 39)
    @assert pixel 89,40 == 255,0,0,255;
    @assert pixel 90,39 == 255,0,0,255;
    @assert pixel 89,39 == 0,255,0,255;

    // lower left corner (10, 30)
    @assert pixel 9,39 == 255,0,0,255;
    @assert pixel 10,40 == 255,0,0,255;
    @assert pixel 10,39 == 0,255,0,255;

- name: 2d.path.roundrect.radius.toomany
  desc: Check that roundRect throws an IndeSizeError if radii has more than four items.
  code: |
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 100, 50, [0, 0, 0, 0, 0])});

- name: 2d.path.roundrect.radius.negative
  desc: roundRect() with negative radius throws an exception
  code: |
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [-1])});
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [1, -1])});
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [new DOMPoint(-1, 1), 1])});
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [new DOMPoint(1, -1)])});
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [{x: -1, y: 1}, 1])});
    assert_throws_js(RangeError, () => { ctx.roundRect(0, 0, 0, 0, [{x: 1, y: -1}])});

- name: 2d.path.roundrect.badinput
  desc: roundRect() throws or does not throw errors given the strange inputs.
  code: |
    ctx.roundRect(0, 0, 100, 100, { foo: "bar" });  //=> DOMPointInit
    ctx.roundRect(0, 0, 100, 100, undefined);       //=> "missing" -> 0
    ctx.roundRect(0, 0, 100, 100, [[]]);            //=> « DOMPointInit »
    ctx.roundRect(0, 0, 100, 100, [[25]]);          //=> « DOMPointInit »
    ctx.roundRect(0, 0, 100, 100, [undefined]);     //=> « DOMPointInit »
    @assert throws TypeError ctx.roundRect(0, 0, 100, 100, 0n);
    @assert throws TypeError ctx.roundRect(0, 0, 100, 100, { x: 0n });
    @assert throws TypeError ctx.roundRect(0, 0, 100, 100, [{ x: 0n }]);

- name: 2d.path.ellipse.basics
  desc: Verify canvas throws error when drawing ellipse with negative radii.
  code: |
    ctx.ellipse(10, 10, 10, 5, 0, 0, 1, false);
    ctx.ellipse(10, 10, 10, 0, 0, 0, 1, false);
    ctx.ellipse(10, 10, -0, 5, 0, 0, 1, false);
    @assert throws INDEX_SIZE_ERR ctx.ellipse(10, 10, -2, 5, 0, 0, 1, false);
    @assert throws INDEX_SIZE_ERR ctx.ellipse(10, 10, 0, -1.5, 0, 0, 1, false);
    @assert throws INDEX_SIZE_ERR ctx.ellipse(10, 10, -2, -5, 0, 0, 1, false);
    ctx.ellipse(80, 0, 10, 4294967277, Math.PI / -84, -Math.PI / 2147483436, false);

- name: 2d.path.fill.overlap
  code: |
    ctx.fillStyle = '#000';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.rect(0, 0, 100, 50);
    ctx.closePath();
    ctx.rect(10, 10, 80, 30);
    ctx.fill();

    @assert pixel 50,25 ==~ 0,127,0,255 +/- 1;
  expected: |
    size 100 50
    cr.set_source_rgb(0, 0.5, 0)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.path.fill.winding.evenodd.1
  desc: evenodd winding number rule works in fill
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(0, 0, 100, 50);
    ctx.rect(0, 0, 100, 50);

    ctx.fillStyle = "#f00";
    ctx.fill("evenodd");

    @assert pixel 50,25 == 0,255,0,255;

- name: 2d.path.fill.winding.evenodd.2
  desc: evenodd winding number rule works in fill
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    let path = new Path2D();
    path.rect(0, 0, 100, 50);
    path.rect(0, 0, 100, 50);
    path.closePath();

    ctx.fillStyle = "#f00";
    ctx.fill(path, "evenodd");

    @assert pixel 50,25 == 0,255,0,255;

- name: 2d.path.fill.winding.add
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.fill.winding.subtract.1
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#f00';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.fill.winding.subtract.2
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#f00';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.fill.winding.subtract.3
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(-20, -20);
    ctx.lineTo(120, -20);
    ctx.lineTo(120, 70);
    ctx.lineTo(-20, 70);
    ctx.lineTo(-20, -20);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.fill.closed.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.fill.closed.unaffected
  code: |
    ctx.fillStyle = '#00f';
    ctx.fillRect(0, 0, 100, 50);

    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.fillStyle = '#f00';
    ctx.fill();
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    @assert pixel 90,10 == 0,255,0,255;
    @assert pixel 10,40 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.overlap
  desc: Stroked subpaths are combined before being drawn
  code: |
    ctx.fillStyle = '#000';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.lineWidth = 50;
    ctx.moveTo(0, 20);
    ctx.lineTo(100, 20);
    ctx.moveTo(0, 30);
    ctx.lineTo(100, 30);
    ctx.stroke();

    @assert pixel 50,25 ==~ 0,127,0,255 +/- 1;
  expected: |
    size 100 50
    cr.set_source_rgb(0, 0.5, 0)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.path.stroke.union
  desc: Strokes in opposite directions are unioned, not subtracted
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 40;
    ctx.moveTo(0, 10);
    ctx.lineTo(100, 10);
    ctx.moveTo(100, 40);
    ctx.lineTo(0, 40);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.unaffected
  desc: Stroking does not start a new path or subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -100);
    ctx.lineTo(200, -100);
    ctx.lineTo(200, 25);
    ctx.strokeStyle = '#f00';
    ctx.stroke();

    ctx.closePath();
    ctx.strokeStyle = '#0f0';
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.scale1
  desc: Stroke line widths are scaled by the current transformation matrix
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(25, 12.5, 50, 25);
    ctx.save();
    ctx.scale(50, 25);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();

    ctx.beginPath();
    ctx.rect(-25, -12.5, 150, 75);
    ctx.save();
    ctx.scale(50, 25);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.scale2
  desc: Stroke line widths are scaled by the current transformation matrix
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(25, 12.5, 50, 25);
    ctx.save();
    ctx.rotate(Math.PI/2);
    ctx.scale(25, 50);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();

    ctx.beginPath();
    ctx.rect(-25, -12.5, 150, 75);
    ctx.save();
    ctx.rotate(Math.PI/2);
    ctx.scale(25, 50);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.skew
  desc: Strokes lines are skewed by the current transformation matrix
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.save();
    ctx.beginPath();
    ctx.moveTo(49, -50);
    ctx.lineTo(201, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 283);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();

    ctx.save();
    ctx.beginPath();
    ctx.translate(-150, 0);
    ctx.moveTo(49, -50);
    ctx.lineTo(199, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 142);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();

    ctx.save();
    ctx.beginPath();
    ctx.translate(-150, 0);
    ctx.moveTo(49, -50);
    ctx.lineTo(199, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 142);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();

    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.empty
  desc: Empty subpaths are not stroked
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.moveTo(40, 25);
    ctx.moveTo(60, 25);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.stroke.prune.line
  desc: Zero-length line segments from lineTo are removed before stroking
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.lineTo(50, 25);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.stroke.prune.closed
  desc: Zero-length line segments from closed paths are removed before stroking
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.lineTo(50, 25);
    ctx.closePath();
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.stroke.prune.curve
  desc: Zero-length line segments from quadraticCurveTo and bezierCurveTo are removed
    before stroking
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.quadraticCurveTo(50, 25, 50, 25);
    ctx.stroke();

    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.bezierCurveTo(50, 25, 50, 25, 50, 25);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.stroke.prune.arc
  desc: Zero-length line segments from arcTo and arc are removed before stroking
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arcTo(50, 25, 150, 25, 10);
    ctx.stroke();

    ctx.beginPath();
    ctx.moveTo(60, 25);
    ctx.arc(50, 25, 10, 0, 0, false);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.stroke.prune.rect
  desc: Zero-length line segments from rect and strokeRect are removed before stroking
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';

    ctx.beginPath();
    ctx.rect(50, 25, 0, 0);
    ctx.stroke();

    ctx.strokeRect(50, 25, 0, 0);

    @assert pixel 50,25 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.path.stroke.prune.corner
  desc: Zero-length line segments are removed before stroking with miters
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 400;
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 1.4;

    ctx.beginPath();
    ctx.moveTo(-1000, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 1000);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.transformation.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.translate(-100, 0);
    ctx.rect(100, 0, 100, 50);
    ctx.translate(0, -100);
    ctx.fillStyle = '#0f0';
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.transformation.multiple
  # TODO: change this name
  desc: Transformations are applied while building paths, not when drawing
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#f00';
    ctx.translate(-100, 0);
    ctx.rect(0, 0, 100, 50);
    ctx.fill();
    ctx.translate(100, 0);
    ctx.fill();

    ctx.beginPath();
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.translate(0, -50);
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    ctx.translate(0, 50);
    ctx.stroke();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.transformation.changing
  desc: Transformations are applied while building paths, not when drawing
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.moveTo(0, 0);
    ctx.translate(100, 0);
    ctx.lineTo(0, 0);
    ctx.translate(0, 50);
    ctx.lineTo(0, 0);
    ctx.translate(-100, 0);
    ctx.lineTo(0, 0);
    ctx.translate(1000, 1000);
    ctx.rotate(Math.PI/2);
    ctx.scale(0.1, 0.1);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green


- name: 2d.path.clip.empty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.clip();

    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.basic.1
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(0, 0, 100, 50);
    ctx.clip();

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.basic.2
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(-100, 0, 100, 50);
    ctx.clip();

    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.intersect
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(0, 0, 50, 50);
    ctx.clip();
    ctx.beginPath();
    ctx.rect(50, 0, 50, 50)
    ctx.clip();

    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.winding.evenodd.1
  desc: evenodd winding number rule works in clip
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.rect(0, 0, 100, 50);
    ctx.rect(0, 0, 100, 50);

    ctx.fillStyle = "#f00";
    ctx.clip("evenodd");
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;

- name: 2d.path.clip.winding.evenodd.2
  desc: evenodd winding number rule works in clip
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    let path = new Path2D();
    path.rect(0, 0, 100, 50);
    path.rect(0, 0, 100, 50);
    path.closePath();

    ctx.fillStyle = "#f00";
    ctx.clip(path, "evenodd");
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;

- name: 2d.path.clip.winding.1
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.clip();

    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.winding.2
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.beginPath();
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.clip();

    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.lineTo(0, 0);
    ctx.clip();

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.path.clip.unaffected
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';

    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.clip();

    ctx.lineTo(0, 0);
    ctx.fill();

    @assert pixel 50,25 == 0,255,0,255;
  expected: green



- name: 2d.path.isPointInPath.basic.1
  desc: isPointInPath() detects whether the point is inside the path
  code: |
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === true;
    @assert ctx.isPointInPath(30, 10) === false;

- name: 2d.path.isPointInPath.basic.2
  desc: isPointInPath() detects whether the point is inside the path
  code: |
    ctx.rect(20, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(30, 10) === true;

- name: 2d.path.isPointInPath.edge
  desc: isPointInPath() counts points on the path as being inside
  code: |
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(0, 0) === true;
    @assert ctx.isPointInPath(10, 0) === true;
    @assert ctx.isPointInPath(20, 0) === true;
    @assert ctx.isPointInPath(20, 10) === true;
    @assert ctx.isPointInPath(20, 20) === true;
    @assert ctx.isPointInPath(10, 20) === true;
    @assert ctx.isPointInPath(0, 20) === true;
    @assert ctx.isPointInPath(0, 10) === true;
    @assert ctx.isPointInPath(10, -0.01) === false;
    @assert ctx.isPointInPath(10, 20.01) === false;
    @assert ctx.isPointInPath(-0.01, 10) === false;
    @assert ctx.isPointInPath(20.01, 10) === false;

- name: 2d.path.isPointInPath.empty
  desc: isPointInPath() works when there is no path
  code: |
    @assert ctx.isPointInPath(0, 0) === false;

- name: 2d.path.isPointInPath.subpath
  desc: isPointInPath() uses the current path, not just the subpath
  code: |
    ctx.rect(0, 0, 20, 20);
    ctx.beginPath();
    ctx.rect(20, 0, 20, 20);
    ctx.closePath();
    ctx.rect(40, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(30, 10) === true;
    @assert ctx.isPointInPath(50, 10) === true;

- name: 2d.path.isPointInPath.outside
  desc: isPointInPath() works on paths outside the canvas
  code: |
    ctx.rect(0, -100, 20, 20);
    ctx.rect(20, -10, 20, 20);
    @assert ctx.isPointInPath(10, -110) === false;
    @assert ctx.isPointInPath(10, -90) === true;
    @assert ctx.isPointInPath(10, -70) === false;
    @assert ctx.isPointInPath(30, -20) === false;
    @assert ctx.isPointInPath(30, 0) === true;
    @assert ctx.isPointInPath(30, 20) === false;

- name: 2d.path.isPointInPath.unclosed
  desc: isPointInPath() works on unclosed subpaths
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(20, 0);
    ctx.lineTo(20, 20);
    ctx.lineTo(0, 20);
    @assert ctx.isPointInPath(10, 10) === true;
    @assert ctx.isPointInPath(30, 10) === false;

- name: 2d.path.isPointInPath.arc
  desc: isPointInPath() works on arcs
  code: |
    ctx.arc(50, 25, 10, 0, Math.PI, false);
    @assert ctx.isPointInPath(50, 10) === false;
    @assert ctx.isPointInPath(50, 20) === false;
    @assert ctx.isPointInPath(50, 30) === true;
    @assert ctx.isPointInPath(50, 40) === false;
    @assert ctx.isPointInPath(30, 20) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(70, 30) === false;

- name: 2d.path.isPointInPath.bigarc
  desc: isPointInPath() works on unclosed arcs larger than 2pi
  opera: {bug: 320937}
  code: |
    ctx.arc(50, 25, 10, 0, 7, false);
    @assert ctx.isPointInPath(50, 10) === false;
    @assert ctx.isPointInPath(50, 20) === true;
    @assert ctx.isPointInPath(50, 30) === true;
    @assert ctx.isPointInPath(50, 40) === false;
    @assert ctx.isPointInPath(30, 20) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(70, 30) === false;

- name: 2d.path.isPointInPath.bezier
  desc: isPointInPath() works on Bezier curves
  code: |
    ctx.moveTo(25, 25);
    ctx.bezierCurveTo(50, -50, 50, 100, 75, 25);
    @assert ctx.isPointInPath(25, 20) === false;
    @assert ctx.isPointInPath(25, 30) === false;
    @assert ctx.isPointInPath(30, 20) === true;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(40, 2) === false;
    @assert ctx.isPointInPath(40, 20) === true;
    @assert ctx.isPointInPath(40, 30) === false;
    @assert ctx.isPointInPath(40, 47) === false;
    @assert ctx.isPointInPath(45, 20) === true;
    @assert ctx.isPointInPath(45, 30) === false;
    @assert ctx.isPointInPath(55, 20) === false;
    @assert ctx.isPointInPath(55, 30) === true;
    @assert ctx.isPointInPath(60, 2) === false;
    @assert ctx.isPointInPath(60, 20) === false;
    @assert ctx.isPointInPath(60, 30) === true;
    @assert ctx.isPointInPath(60, 47) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(70, 30) === true;
    @assert ctx.isPointInPath(75, 20) === false;
    @assert ctx.isPointInPath(75, 30) === false;

- name: 2d.path.isPointInPath.winding
  desc: isPointInPath() uses the non-zero winding number rule
  code: |
    // Create a square ring, using opposite windings to make a hole in the centre
    ctx.moveTo(0, 0);
    ctx.lineTo(50, 0);
    ctx.lineTo(50, 50);
    ctx.lineTo(0, 50);
    ctx.lineTo(0, 0);
    ctx.lineTo(10, 10);
    ctx.lineTo(10, 40);
    ctx.lineTo(40, 40);
    ctx.lineTo(40, 10);
    ctx.lineTo(10, 10);

    @assert ctx.isPointInPath(5, 5) === true;
    @assert ctx.isPointInPath(25, 5) === true;
    @assert ctx.isPointInPath(45, 5) === true;
    @assert ctx.isPointInPath(5, 25) === true;
    @assert ctx.isPointInPath(25, 25) === false;
    @assert ctx.isPointInPath(45, 25) === true;
    @assert ctx.isPointInPath(5, 45) === true;
    @assert ctx.isPointInPath(25, 45) === true;
    @assert ctx.isPointInPath(45, 45) === true;

- name: 2d.path.isPointInPath.transform.1
  desc: isPointInPath() handles transformations correctly
  code: |
    ctx.translate(50, 0);
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;

- name: 2d.path.isPointInPath.transform.2
  desc: isPointInPath() handles transformations correctly
  code: |
    ctx.rect(50, 0, 20, 20);
    ctx.translate(50, 0);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;

- name: 2d.path.isPointInPath.transform.3
  desc: isPointInPath() handles transformations correctly
  code: |
    ctx.scale(-1, 1);
    ctx.rect(-70, 0, 20, 20);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;

- name: 2d.path.isPointInPath.transform.4
  desc: isPointInPath() handles transformations correctly
  code: |
    ctx.translate(50, 0);
    ctx.rect(50, 0, 20, 20);
    ctx.translate(0, 50);
    @assert ctx.isPointInPath(60, 10) === false;
    @assert ctx.isPointInPath(110, 10) === true;
    @assert ctx.isPointInPath(110, 60) === false;

- name: 2d.path.isPointInPath.nonfinite
  desc: isPointInPath() returns false for non-finite arguments
  code: |
    ctx.rect(-100, -50, 200, 100);
    @assert ctx.isPointInPath(Infinity, 0) === false;
    @assert ctx.isPointInPath(-Infinity, 0) === false;
    @assert ctx.isPointInPath(NaN, 0) === false;
    @assert ctx.isPointInPath(0, Infinity) === false;
    @assert ctx.isPointInPath(0, -Infinity) === false;
    @assert ctx.isPointInPath(0, NaN) === false;
    @assert ctx.isPointInPath(NaN, NaN) === false;


- name: 2d.path.isPointInStroke.scaleddashes
  desc: isPointInStroke() should return correct results on dashed paths at high scale
    factors
  code: |
    var scale = 20;
    ctx.setLineDash([10, 21.4159]); // dash from t=0 to t=10 along the circle
    ctx.scale(scale, scale);
    ctx.ellipse(6, 10, 5, 5, 0, 2*Math.PI, false);
    ctx.stroke();

    // hit-test the beginning of the dash (t=0)
    @assert ctx.isPointInStroke(11*scale, 10*scale) === true;
    // hit-test the middle of the dash (t=5)
    @assert ctx.isPointInStroke(8.70*scale, 14.21*scale) === true;
    // hit-test the end of the dash (t=9.8)
    @assert ctx.isPointInStroke(4.10*scale, 14.63*scale) === true;
    // hit-test past the end of the dash (t=10.2)
    @assert ctx.isPointInStroke(3.74*scale, 14.46*scale) === false;

- name: 2d.path.isPointInPath.basic
  desc: Verify the winding rule in isPointInPath works for for rect path.
  code: |
    canvas.width = 200;
    canvas.height = 200;

    // Testing default isPointInPath
    ctx.beginPath();
    ctx.rect(0, 0, 100, 100);
    ctx.rect(25, 25, 50, 50);
    @assert ctx.isPointInPath(50, 50) === true;
    @assert ctx.isPointInPath(NaN, 50) === false;
    @assert ctx.isPointInPath(50, NaN) === false;

    // Testing nonzero isPointInPath
    ctx.beginPath();
    ctx.rect(0, 0, 100, 100);
    ctx.rect(25, 25, 50, 50);
    @assert ctx.isPointInPath(50, 50, 'nonzero') === true;

    // Testing evenodd isPointInPath
    ctx.beginPath();
    ctx.rect(0, 0, 100, 100);
    ctx.rect(25, 25, 50, 50);
    @assert ctx.isPointInPath(50, 50, 'evenodd') === false;

    // Testing extremely large scale
    ctx.save();
    ctx.scale(Number.MAX_VALUE, Number.MAX_VALUE);
    ctx.beginPath();
    ctx.rect(-10, -10, 20, 20);
    @assert ctx.isPointInPath(0, 0, 'nonzero') === true;
    @assert ctx.isPointInPath(0, 0, 'evenodd') === true;
    ctx.restore();

    // Check with non-invertible ctm.
    ctx.save();
    ctx.scale(0, 0);
    ctx.beginPath();
    ctx.rect(-10, -10, 20, 20);
    @assert ctx.isPointInPath(0, 0, 'nonzero') === false;
    @assert ctx.isPointInPath(0, 0, 'evenodd') === false;
    ctx.restore();

- name: 2d.path.isPointInpath.multi.path
  desc: Verify the winding rule in isPointInPath works for path object.
  code: |
    canvas.width = 200;
    canvas.height = 200;

    // Testing default isPointInPath with Path object');
    path = new Path2D();
    path.rect(0, 0, 100, 100);
    path.rect(25, 25, 50, 50);
    @assert ctx.isPointInPath(path, 50, 50) === true;
    @assert ctx.isPointInPath(path, 50, 50, undefined) === true;
    @assert ctx.isPointInPath(path, NaN, 50) === false;
    @assert ctx.isPointInPath(path, 50, NaN) === false;

    // Testing nonzero isPointInPath with Path object');
    path = new Path2D();
    path.rect(0, 0, 100, 100);
    path.rect(25, 25, 50, 50);
    @assert ctx.isPointInPath(path, 50, 50, 'nonzero') === true;

    // Testing evenodd isPointInPath with Path object');
    path = new Path2D();
    path.rect(0, 0, 100, 100);
    path.rect(25, 25, 50, 50);
    assert_false(ctx.isPointInPath(path, 50, 50, 'evenodd'));

- name: 2d.path.isPointInpath.invalid
  desc: Verify isPointInPath throws exceptions with invalid inputs.
  code: |
    canvas.width = 200;
    canvas.height = 200;
    path = new Path2D();
    path.rect(0, 0, 100, 100);
    path.rect(25, 25, 50, 50);
    // Testing invalid enumeration isPointInPath (w/ and w/o Path object');
    @assert throws TypeError ctx.isPointInPath(path, 50, 50, 'gazonk');
    @assert throws TypeError ctx.isPointInPath(50, 50, 'gazonk');

    // Testing invalid type isPointInPath with Path object');
    @assert throws TypeError ctx.isPointInPath(null, 50, 50);
    @assert throws TypeError ctx.isPointInPath(null, 50, 50, 'nonzero');
    @assert throws TypeError ctx.isPointInPath(null, 50, 50, 'evenodd');
    @assert throws TypeError ctx.isPointInPath(null, 50, 50, null);
    @assert throws TypeError ctx.isPointInPath(path, 50, 50, null);
    @assert throws TypeError ctx.isPointInPath(undefined, 50, 50);
    @assert throws TypeError ctx.isPointInPath(undefined, 50, 50, 'nonzero');
    @assert throws TypeError ctx.isPointInPath(undefined, 50, 50, 'evenodd');
    @assert throws TypeError ctx.isPointInPath(undefined, 50, 50, undefined);
    @assert throws TypeError ctx.isPointInPath([], 50, 50);
    @assert throws TypeError ctx.isPointInPath([], 50, 50, 'nonzero');
    @assert throws TypeError ctx.isPointInPath([], 50, 50, 'evenodd');
    @assert throws TypeError ctx.isPointInPath({}, 50, 50);
    @assert throws TypeError ctx.isPointInPath({}, 50, 50, 'nonzero');
    @assert throws TypeError ctx.isPointInPath({}, 50, 50, 'evenodd');

- name: 2d.path.clip.scale
  desc: clip() with non-identity transform applies the correct clip region
  size: [200, 200]
  code: |
    ctx.scale(2, 2);
    ctx.beginPath();
    ctx.rect(0, 0, 100, 200);
    ctx.clip();

    // Earlier in Servo, a regression was introduced.
    // This only had fill the left half of square, as clip rect
    // stored was not transformed.
    ctx.fillStyle = 'green';
    ctx.fillRect(0, 0, 200, 200);
  reference: |
    ctx.fillStyle = 'green';
    ctx.fillRect(0, 0, 200, 200);
