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diff --git a/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.create2.negative.html b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.create2.negative.html
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+++ b/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.create2.negative.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.create2.negative</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.negative</h1>
+<p class="desc">createImageData(sw, sh) takes the absolute magnitude of the size arguments</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(sw, sh) takes the absolute magnitude of the size arguments");
+_addTest(function(canvas, ctx) {
+
+  var imgdata1 = ctx.createImageData(10, 20);
+  var imgdata2 = ctx.createImageData(-10, 20);
+  var imgdata3 = ctx.createImageData(10, -20);
+  var imgdata4 = ctx.createImageData(-10, -20);
+  _assertSame(imgdata1.data.length, imgdata2.data.length, "imgdata1.data.length", "imgdata2.data.length");
+  _assertSame(imgdata2.data.length, imgdata3.data.length, "imgdata2.data.length", "imgdata3.data.length");
+  _assertSame(imgdata3.data.length, imgdata4.data.length, "imgdata3.data.length", "imgdata4.data.length");
+
+});
+</script>
+