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diff --git a/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.rounding.html b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.rounding.html
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+++ b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.rounding.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.imageData.get.rounding</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.get.rounding</h1>
+<p class="desc">Test the handling of non-integer source coordinates in getImageData().</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("Test the handling of non-integer source coordinates in getImageData().");
+_addTest(function(canvas, ctx) {
+
+  function testDimensions(sx, sy, sw, sh, width, height)
+  {
+      imageData = ctx.getImageData(sx, sy, sw, sh);
+      _assert(imageData.width == width, "imageData.width == width");
+      _assert(imageData.height == height, "imageData.height == height");
+  }
+
+  testDimensions(0, 0, 20, 10, 20, 10);
+
+  testDimensions(.1, .2, 20, 10, 20, 10);
+  testDimensions(.9, .8, 20, 10, 20, 10);
+
+  testDimensions(0, 0, 20.9, 10.9, 20, 10);
+  testDimensions(0, 0, 20.1, 10.1, 20, 10);
+
+  testDimensions(-1, -1, 20, 10, 20, 10);
+
+  testDimensions(-1.1, 0, 20, 10, 20, 10);
+  testDimensions(-1.9,  0, 20, 10, 20, 10);
+
+});
+</script>
+