зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.8 KiB
HTML
61 строка
1.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test interactions of src and srcObject</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript" src="manifest.js"></script>
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</head>
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<body onload="doTests()">
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<audio id="a1"></audio>
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<audio id="a2"></audio>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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var doTest = srcObject => new Promise(resolve => {
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var a = document.getElementById('a1');
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a.src = getPlayableAudio(gSmallTests).name;
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var b = new Audio();
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var newSrc = a.src + "?2";
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b.src = newSrc;
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is(b[srcObject], null, "Initial srcObject is null");
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var stream = a.mozCaptureStream();
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b[srcObject] = stream;
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is(b[srcObject], stream, "Stream set correctly");
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try {
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b[srcObject] = "invalid";
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ok(false, "Setting srcObject to an invalid value should throw.");
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} catch (e) {
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ok(e instanceof TypeError, "Exception should be a TypeError");
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}
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is(b[srcObject], stream, "Stream not set to invalid value");
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is(b.src, newSrc, "src attribute not affected by setting srcObject");
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var step = 0;
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b.addEventListener("loadedmetadata", function() {
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if (step == 0) {
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is(b.currentSrc, "", "currentSrc set to empty string while playing srcObject");
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b[srcObject] = null;
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is(b[srcObject], null, "Stream set to null");
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// The resource selection algorithm will run again and choose b.src
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} else if (step == 1) {
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is(b.currentSrc, b.src, "currentSrc set to src now that srcObject is null");
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resolve();
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}
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++step;
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});
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a.play();
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b.play();
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});
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var doTests = () => doTest("srcObject")
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.catch(e => ok(false, "Unexpected error: " + e))
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.then(() => SimpleTest.finish())
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.catch(e => ok(false, "Coding error: " + e));
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</script>
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</pre>
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</body>
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</html>
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