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<title>Canvas test: 2d.path.arcTo.zero.2</title>
<script src="/resources/testharness.js"></script>
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<h1>2d.path.arcTo.zero.2</h1>
<p class="desc">arcTo() with zero radius draws a straight line from P0 to P1, even when all points are collinear</p>


<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
var t = async_test("arcTo() with zero radius draws a straight line from P0 to P1, even when all points are collinear");
_addTest(function(canvas, ctx) {

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();

_assertPixel(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");


});
</script>