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1 <!DOCTYPE html> | |
2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> | |
3 <title>OffscreenCanvas test: 2d.imageData.object.undefined</title> | |
4 <script src="/resources/testharness.js"></script> | |
5 <script src="/resources/testharnessreport.js"></script> | |
6 <script src="/common/canvas-tests.js"></script> | |
7 | |
8 <h1>2d.imageData.object.undefined</h1> | |
9 <p class="desc">ImageData.data converts undefined to 0</p> | |
10 | |
11 | |
12 <script> | |
13 var t = async_test("ImageData.data converts undefined to 0"); | |
14 t.step(function() { | |
15 | |
16 var offscreenCanvas = new OffscreenCanvas(100, 50); | |
17 var ctx = offscreenCanvas.getContext('2d'); | |
18 | |
19 var imgdata = ctx.getImageData(0, 0, 10, 10); | |
20 imgdata.data[0] = 100; | |
21 imgdata.data[0] = undefined; | |
22 _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); | |
23 | |
24 t.done(); | |
25 | |
26 }); | |
27 </script> | |
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