summaryrefslogtreecommitdiffstats
path: root/dom/media/test/test_buffered.html
blob: 407ae740405595dfda6b98bbe3251270ae94e9dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=462957
-->
<head>
  <title>Test for Bug 462957</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462957">Mozilla Bug 462957</a>

<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

// Test for Bug 462957; HTMLMediaElement.buffered.

var manager = new MediaTestManager;

function testBuffered(e) {
  var v = e.target;
  v.removeEventListener('timeupdate', testBuffered);
  
  // The whole media should be buffered...
  var b = v.buffered;
  is(b.length, 1, v._name + ": Should be buffered in one range");
  is(b.start(0), 0, v._name + ": First range start should be media start");
  ok(Math.abs(b.end(0) - v.duration) < 0.1, v._name + ": First range end should be media end");

  // Ensure INDEX_SIZE_ERR is thrown when we access outside the range
  var caught = false;
  try {
    b.start(-1);
  } catch (e) {
    caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
  }
  is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on under start bounds range");
  
  caught = false;
  try {
    b.end(-1);
  } catch (e) {
    caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
  }
  is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on under end bounds range");

  caught = false;
  try {
    b.start(b.length);
  } catch (e) {
    caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
  }
  is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on over start bounds range");
  
  caught = false;
  try {
    b.end(b.length);
  } catch (e) {
    caught = e.name == "IndexSizeError" && e.code == DOMException.INDEX_SIZE_ERR;
  }
  is(caught, true, v._name + ": Should throw INDEX_SIZE_ERR on over end bounds range");

  removeNodeAndSource(v);
  manager.finished(v._token);
}

function fetch(url, fetched_callback) {
  var xhr = new XMLHttpRequest();
  xhr.open("GET", url, true);
  xhr.responseType = "blob";

  var loaded = function (event) {
    if (xhr.status == 200 || xhr.status == 206) {
      // Request fulfilled. Note sometimes we get 206... Presumably because either
      // httpd.js or Necko cached the result.
      fetched_callback(window.URL.createObjectURL(xhr.response));
    } else {
      ok(false, "Fetch failed headers=" + xhr.getAllResponseHeaders());
    }
  };

  xhr.addEventListener("load", loaded, false);
  xhr.send();
}

function startTest(test, token) {
  // Fetch the media resource using XHR so we can be sure the entire
  // resource is loaded before we test buffered ranges. This ensures
  // we have deterministic behaviour.
  var onfetched = function(uri) {
    var v = document.createElement('video');
    v.autoplay = true;
    v._token = token;
    v.src = uri;
    v._name = test.name;
    v._test = test;
    v.addEventListener("timeupdate", testBuffered, false);
    document.body.appendChild(v);
  };

  manager.started(token);
  fetch(test.name, onfetched);
}

// Note: No need to set media test prefs, since we're using XHR to fetch
// media data.
SimpleTest.waitForExplicitFinish();
manager.runTests(gSeekTests, startTest);

</script>
</pre>
</body>
</html>