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2d.drawImage.zerosource.image.html
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2d.drawImage.zerosource.image.html
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<!DOCTYPE html>
<title>Canvas test: 2d.drawImage.zerosource.image</title>
<meta name="author" content="Philip Taylor">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../../common/canvas-tests.js"></script>
<link rel="stylesheet" href="../../../common/canvas-tests.css">
<body class="show_output">
<h1><a href="index.2d.html">2d</a>.<a href="index.2d.drawImage.html">drawImage</a>.<a href="index.2d.drawImage.zerosource.html">zerosource</a>.image</h1>
<p class="desc">drawImage with zero-sized source rectangle from image throws INDEX_SIZE_ERR</p>
<div class="refs">Spec references:
<ul>
<li><a href="../annotated-spec/canvas.html#testrefs.2d.drawImage.zerosource">2d.drawImage.zerosource</a>
</ul>
</div>
<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("drawImage with zero-sized source rectangle from image throws INDEX_SIZE_ERR");
_addTest(function(canvas, ctx) {
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(document.getElementById('red-zerowidth.svg'), 0, 0, 100, 50); });
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(document.getElementById('red-zeroheight.svg'), 0, 0, 100, 50); });
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(document.getElementById('red-zerosize.svg'), 0, 0, 100, 50); });
_assertPixel(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
});
</script>
<img src="../../../images/red-zerowidth.svg" id="red-zerowidth.svg" class="resource">
<img src="../../../images/red-zeroheight.svg" id="red-zeroheight.svg" class="resource">
<img src="../../../images/red-zerosize.svg" id="red-zerosize.svg" class="resource">