summaryrefslogtreecommitdiffstats
path: root/dom/media/webaudio/test/test_bug956489.html
diff options
context:
space:
mode:
Diffstat (limited to 'dom/media/webaudio/test/test_bug956489.html')
-rw-r--r--dom/media/webaudio/test/test_bug956489.html56
1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_bug956489.html b/dom/media/webaudio/test/test_bug956489.html
new file mode 100644
index 0000000000..f0ae559b05
--- /dev/null
+++ b/dom/media/webaudio/test/test_bug956489.html
@@ -0,0 +1,56 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test when and currentTime are in the same coordinate system</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.requestFlakyTimeout("This test needs to wait a while for the AudioContext's timer to start.");
+addLoadEvent(function() {
+ var freq = 330;
+
+ var context = new AudioContext();
+
+ var buffer = context.createBuffer(1, context.sampleRate / freq, context.sampleRate);
+ for (var i = 0; i < buffer.length; ++i) {
+ buffer.getChannelData(0)[i] = Math.sin(2 * Math.PI * i / buffer.length);
+ }
+
+ var source = context.createBufferSource();
+ source.loop = true;
+ source.buffer = buffer;
+
+ setTimeout(function () {
+ var finished = false;
+
+ source.start(context.currentTime);
+ var processor = context.createScriptProcessor(256, 1, 1);
+ processor.onaudioprocess = function (e) {
+ if (finished) return;
+ var c = e.inputBuffer.getChannelData(0);
+ var result = true;
+
+ for (var i = 0; i < buffer.length; ++i) {
+ if (Math.abs(c[i] - buffer.getChannelData(0)[i]) > 1e-9) {
+ result = false;
+ break;
+ }
+ }
+ finished = true;
+ ok(result, "when and currentTime are in same time coordinate system");
+ SimpleTest.finish();
+ }
+ processor.connect(context.destination);
+ source.connect(processor);
+ }, 500);
+});
+
+</script>
+</pre>
+</body>
+</html>