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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.get.zero</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.get.zero</h1> | |
9 <p class="desc">getImageData() throws INDEX_SIZE_ERR if size is zero</p> | |
10 | |
11 | |
12 <script> | |
13 var t = async_test("getImageData() throws INDEX_SIZE_ERR if size is zero"); | |
14 t.step(function() { | |
15 | |
16 var offscreenCanvas = new OffscreenCanvas(100, 50); | |
17 var ctx = offscreenCanvas.getContext('2d'); | |
18 | |
19 assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 10, 0); }); | |
20 assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 10); }); | |
21 assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 0); }); | |
22 | |
23 t.done(); | |
24 | |
25 }); | |
26 </script> | |
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