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diff --git a/testing/web-platform/tests/2dcontext/pixel-manipulation/2d.imageData.get.source.negative.html b/testing/web-platform/tests/2dcontext/pixel-manipulation/2d.imageData.get.source.negative.html
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+++ b/testing/web-platform/tests/2dcontext/pixel-manipulation/2d.imageData.get.source.negative.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: 2d.imageData.get.source.negative</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.get.source.negative</h1>
+<p class="desc">getImageData() works with negative width and height, and returns top-to-bottom left-to-right</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("getImageData() works with negative width and height, and returns top-to-bottom left-to-right");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#000';
+ctx.fillRect(0, 0, 100, 50);
+ctx.fillStyle = '#fff';
+ctx.fillRect(20, 10, 60, 10);
+
+var imgdata1 = ctx.getImageData(85, 25, -10, -10);
+_assertSame(imgdata1.data[0], 255, "imgdata1.data[\""+(0)+"\"]", "255");
+_assertSame(imgdata1.data[1], 255, "imgdata1.data[\""+(1)+"\"]", "255");
+_assertSame(imgdata1.data[2], 255, "imgdata1.data[\""+(2)+"\"]", "255");
+_assertSame(imgdata1.data[3], 255, "imgdata1.data[\""+(3)+"\"]", "255");
+_assertSame(imgdata1.data[imgdata1.data.length-4+0], 0, "imgdata1.data[imgdata1.data.length-4+0]", "0");
+_assertSame(imgdata1.data[imgdata1.data.length-4+1], 0, "imgdata1.data[imgdata1.data.length-4+1]", "0");
+_assertSame(imgdata1.data[imgdata1.data.length-4+2], 0, "imgdata1.data[imgdata1.data.length-4+2]", "0");
+_assertSame(imgdata1.data[imgdata1.data.length-4+3], 255, "imgdata1.data[imgdata1.data.length-4+3]", "255");
+
+var imgdata2 = ctx.getImageData(0, 0, -1, -1);
+_assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0");
+_assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0");
+_assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0");
+_assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0");
+
+
+});
+</script>
+