https://github.com/web-platform-tests/wpt
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Tip revision: 8c6df8f2518e0d04d7814df6fd2d6600e613a9ab authored by Emilio Cobos Álvarez on 09 April 2018, 21:02:15 UTC
Tests for non-functional :host selector.
Tip revision: 8c6df8f
2d.composite.clip.source-in.html
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.composite.clip.source-in</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.composite.clip.source-in</h1>
<p class="desc">fill() does not affect pixels outside the clip region.</p>


<script>
var t = async_test("fill() does not affect pixels outside the clip region.");
t.step(function() {

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


ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'source-in';
ctx.rect(-20, -20, 10, 10);
ctx.clip();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 50, 50);
_assertPixel(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255");
_assertPixel(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255");

t.done();

});
</script>
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