Content - cf256a9d04a70d80d6a459574881b38cb9e6aa04 - f180d7c/offscreen-canvas/compositing/2d.composite.transparent.copy.html

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Tip revision: 3b558a96b2c165d8b8c4aa3ce17e1f7d9e7912ed authored by Dave Tapuska on 18 December 2018, 21:43:49 UTC
Add tentative WPT tests for stale while revalidate handling.

Tip revision: 3b558a9

2d.composite.transparent.copy.html

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

<h1>2d.composite.transparent.copy</h1>
<p class="desc"></p>


<script>
var t = async_test("");
t.step(function() {

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


ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'copy';
ctx.fillStyle = 'rgba(0, 0, 255, 0.75)';
ctx.fillRect(0, 0, 100, 50);
_assertPixelApprox(offscreenCanvas, 50,25, 0,0,255,191, "50,25", "0,0,255,191", 5);

t.done();

});
</script>

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