зеркало из https://github.com/mozilla/gecko-dev.git
20 строки
622 B
HTML
20 строки
622 B
HTML
<!doctype html>
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<title>Cloning objects, preserving sharing #2</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<canvas id="a" width=30 height=30></canvas>
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<div id=log></div>
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<script>
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async_test(function() {
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var canvas = document.getElementsByTagName("canvas")[0];
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var context = canvas.getContext("2d");
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var img_data = context.getImageData(0, 0, 30, 30);
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var obj = {a: img_data, b: {c: img_data, d: 3}};
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postMessage(obj, '*');
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onmessage = this.step_func(function(e) {
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assert_equals(e.data.a, e.data.b.c);
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this.done();
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});
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});
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</script>
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