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c1d821b501
The problem is that we can't compute buffered until we know the start time, but don't necessarily know the start time by the time we fire loadedmetadata (we just know the duration). Chris determined that there was nothing in the spec that requires any particular behavior from .buffered after loadedmetadata, so this should be fine.
120 lines
3.4 KiB
HTML
120 lines
3.4 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=462957
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-->
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<head>
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<title>Test for Bug 462957</title>
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<script type="application/javascript" 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>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462957">Mozilla Bug 462957</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript">
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// Test for Bug 462957; HTMLMediaElement.buffered.
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var manager = new MediaTestManager;
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function testBuffered(e) {
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var v = e.target;
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v.removeEventListener('timeupdate', testBuffered);
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// The whole media should be buffered...
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var b = v.buffered;
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is(b.length, 1, v._name + ": Should be buffered in one range");
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is(b.start(0), 0, v._name + ": First range start should be media start");
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ok(Math.abs(b.end(0) - v.duration) < 0.1, v._name + ": First range end should be media end");
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// Ensure INDEX_SIZE_ERR is thrown when we access outside the range
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var caught = false;
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try {
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b.start(-1);
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} catch (e) {
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caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
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}
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is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on under start bounds range");
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caught = false;
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try {
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b.end(-1);
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} catch (e) {
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caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
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}
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is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on under end bounds range");
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caught = false;
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try {
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b.start(b.length);
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} catch (e) {
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caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
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}
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is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on over start bounds range");
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caught = false;
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try {
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b.end(b.length);
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} catch (e) {
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caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
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}
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is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on over end bounds range");
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removeNodeAndSource(v);
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manager.finished(v._token);
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}
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function fetch(url, fetched_callback) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", url, true);
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xhr.responseType = "blob";
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var loaded = function (event) {
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if (xhr.status == 200 || xhr.status == 206) {
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// Request fulfilled. Note sometimes we get 206... Presumably because either
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// httpd.js or Necko cached the result.
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fetched_callback(window.URL.createObjectURL(xhr.response));
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} else {
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ok(false, "Fetch failed headers=" + xhr.getAllResponseHeaders());
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}
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};
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xhr.addEventListener("load", loaded, false);
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xhr.send();
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}
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function startTest(test, token) {
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// Fetch the media resource using XHR so we can be sure the entire
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// resource is loaded before we test buffered ranges. This ensures
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// we have deterministic behaviour.
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var onfetched = function(uri) {
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var v = document.createElement('video');
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v.autoplay = true;
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v._token = token;
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v.src = uri;
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v._name = test.name;
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v._test = test;
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v.addEventListener("timeupdate", testBuffered, false);
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document.body.appendChild(v);
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};
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manager.started(token);
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fetch(test.name, onfetched);
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}
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// Note: No need to set media test prefs, since we're using XHR to fetch
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// media data.
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SimpleTest.waitForExplicitFinish();
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manager.runTests(gSeekTests, startTest);
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</script>
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</pre>
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</body>
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</html>
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