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Issue 2558423002: Import wpt/webmessaging tests (Closed)
Patch Set: rebase again Created 3 years, 11 months ago
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1 <!doctype html>
2 <title>Cloning objects, preserving sharing #2</title>
3 <script src="/resources/testharness.js"></script>
4 <script src="/resources/testharnessreport.js"></script>
5 <canvas id="a" width=30 height=30></canvas>
6 <div id=log></div>
7 <script>
8 async_test(function() {
9 var canvas = document.getElementsByTagName("canvas")[0];
10 var context = canvas.getContext("2d");
11 var img_data = context.getImageData(0, 0, 30, 30);
12 var obj = {a: img_data, b: {c: img_data, d: 3}};
13 postMessage(obj, '*');
14 onmessage = this.step_func(function(e) {
15 assert_equals(e.data.a, e.data.b.c);
16 this.done();
17 });
18 });
19 </script>
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