no gap below no gap above This test checks that floating point rounding doesn't cause misalignment. There should be no gap between the divs. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS Math.round(divtop.bottom) is 31 PASS Math.round(divbottom.top) is 31 PASS successfullyParsed is true TEST COMPLETE