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diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.invalid.html b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.invalid.html
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+++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.invalid.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.imageData.get.invalid</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.imageData.get.invalid</h1>
+<p class="desc">Verify getImageData() behavior in invalid cases.</p>
+
+
+<script>
+var t = async_test("Verify getImageData() behavior in invalid cases.");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+ throw reason;
+});
+t.step(function() {
+
+ var canvas = new OffscreenCanvas(100, 50);
+ var ctx = canvas.getContext('2d');
+
+ imageData = ctx.getImageData(0,0,2,2);
+ var testValues = [NaN, true, false, "\"garbage\"", "-1",
+ "0", "1", "2", Infinity, -Infinity,
+ -5, -0.5, 0, 0.5, 5,
+ 5.4, 255, 256, null, undefined];
+ var testResults = [0, 1, 0, 0, 0,
+ 0, 1, 2, 255, 0,
+ 0, 0, 0, 0, 5,
+ 5, 255, 255, 0, 0];
+ for (var i = 0; i < testValues.length; i++) {
+ imageData.data[0] = testValues[i];
+ _assert(imageData.data[0] == testResults[i], "imageData.data[\""+(0)+"\"] == testResults[\""+(i)+"\"]");
+ }
+ imageData.data['foo']='garbage';
+ _assert(imageData.data['foo'] == 'garbage', "imageData.data['foo'] == 'garbage'");
+ imageData.data[-1]='garbage';
+ _assert(imageData.data[-1] == undefined, "imageData.data[-1] == undefined");
+ imageData.data[17]='garbage';
+ _assert(imageData.data[17] == undefined, "imageData.data[\""+(17)+"\"] == undefined");
+ t.done();
+
+});
+</script>