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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: 2d.composite.globalAlpha.imagepattern</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">
<h1>2d.composite.globalAlpha.imagepattern</h1>
<p class="desc"></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>
promise_test(async t => {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
const response = await fetch('/images/red.png');
const blob = await response.blob();
const bitmap = await createImageBitmap(blob);
ctx.fillStyle = ctx.createPattern(bitmap, 'no-repeat');
// Avoiding any potential alpha = 0 optimisations.
ctx.globalAlpha = 0.01;
ctx.fillRect(0, 0, 100, 50);
_assertPixelApprox(canvas, 50,25, 2,253,0,255, 2);
}, "");
</script>
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