offscreen-canvas/path-objects/2d.path.arc.angle.4.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.path.arc.angle.4</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.path.arc.angle.4</h1>
<p class="desc">arc() draws a full circle when clockwise and end > start+2pi</p>


<script>
var t = async_test("arc() draws a full circle when clockwise and end > start+2pi");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

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();
_assertPixel(offscreenCanvas, 1,1, 0,255,0,255, "1,1", "0,255,0,255");
_assertPixel(offscreenCanvas, 98,1, 0,255,0,255, "98,1", "0,255,0,255");
_assertPixel(offscreenCanvas, 1,48, 0,255,0,255, "1,48", "0,255,0,255");
_assertPixel(offscreenCanvas, 98,48, 0,255,0,255, "98,48", "0,255,0,255");

t.done();

});
</script>