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chromium/third_party/blink/web_tests/external/wpt/html/canvas/element/pixel-manipulation/2d.imageData.create2.double.html 

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: 2d.imageData.create2.double</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.imageData.create2.double</h1>
<p class="desc">createImageData(w, h) double is converted to long</p>


<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
var t = async_test("createImageData(w, h) double is converted to long");
_addTest(function(canvas, ctx) {

  var imgdata1 = ctx.createImageData(10.01, 10.99);
  var imgdata2 = ctx.createImageData(-10.01, -10.99);
  _assertSame(imgdata1.width, 10, "imgdata1.width", "10");
  _assertSame(imgdata1.height, 10, "imgdata1.height", "10");
  _assertSame(imgdata2.width, 10, "imgdata2.width", "10");
  _assertSame(imgdata2.height, 10, "imgdata2.height", "10");

});
</script>