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description("Series of tests to ensure that fill() paints nothing on canvas when the fillStyle is set to a zero-size gradient.");
var ctx = document.createElement('canvas').getContext('2d');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 1, 1);
var g = ctx.createLinearGradient(0, 0, 0, 0); // zero-length line (undefined direction);
g.addColorStop(0, '#f00');
g.addColorStop(1, '#f00');
ctx.fillStyle = g;
ctx.rect(0, 0, 1 ,1);
ctx.fill();
var imageData = ctx.getImageData(0, 0, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "255");
shouldBe("imgdata[2]", "0");
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