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diff --git a/testing/web-platform/tests/2dcontext/pixel-manipulation/2d.imageData.create1.initial.html b/testing/web-platform/tests/2dcontext/pixel-manipulation/2d.imageData.create1.initial.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: 2d.imageData.create1.initial</title>
+<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>2d.imageData.create1.initial</h1>
+<p class="desc">createImageData(imgdata) returns transparent black data of the right size</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(imgdata) returns transparent black data of the right size");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 100, 50);
+var imgdata1 = ctx.getImageData(0, 0, 10, 20);
+var imgdata2 = ctx.createImageData(imgdata1);
+_assertSame(imgdata2.data.length, imgdata1.data.length, "imgdata2.data.length", "imgdata1.data.length");
+_assertSame(imgdata2.width, imgdata1.width, "imgdata2.width", "imgdata1.width");
+_assertSame(imgdata2.height, imgdata1.height, "imgdata2.height", "imgdata1.height");
+var isTransparentBlack = true;
+for (var i = 0; i < imgdata2.data.length; ++i)
+    if (imgdata2.data[i] !== 0)
+        isTransparentBlack = false;
+_assert(isTransparentBlack, "isTransparentBlack");
+
+
+});
+</script>
+