33 lines
1,005 B
JavaScript
33 lines
1,005 B
JavaScript
// META: title=postMessage() with a Blob
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// META: script=/common/gc.js
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var TARGET = null;
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var SOURCE = null;
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var description = "Messages can contain Blobs.";
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var t = async_test("Test Description: " + description);
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var channel = new MessageChannel();
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SOURCE = channel.port1;
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TARGET = channel.port2;
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TARGET.start();
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TARGET.addEventListener("message", t.step_func(TestMessageEvent), true);
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(function() {
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SOURCE.postMessage({blob: new Blob(['foo', 'bar'])});
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})();
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garbageCollect();
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function TestMessageEvent(evt)
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{
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assert_true('blob' in evt.data);
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assert_true(evt.data.blob instanceof Blob);
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assert_equals(evt.data.blob.size, 6);
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const reader = new FileReader();
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reader.onerror = t.unreached_func('Reading blob failed');
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reader.onload = t.step_func(() => {
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assert_equals(reader.result, 'foobar');
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t.done();
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});
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reader.readAsText(evt.data.blob);
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}
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