Calling svgElement.setCurrentTime() with a non-finite value should throw. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS svgElement.setCurrentTime(NaN) threw exception TypeError: Failed to execute 'setCurrentTime' on 'SVGSVGElement': The provided float value is non-finite.. PASS svgElement.setCurrentTime(Infinity) threw exception TypeError: Failed to execute 'setCurrentTime' on 'SVGSVGElement': The provided float value is non-finite.. PASS successfullyParsed is true TEST COMPLETE