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<!DOCTYPE HTML>
<html>
<head>
<title>Test the decodeAudioData API with Promise</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script src="webaudio.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var finished = 0;
function finish() {
if (++finished == 2) {
SimpleTest.finish();
}
}
var ac = new AudioContext();
// Test that a the promise is rejected with an invalid source buffer.
expectNoException(function() {
var p = ac.decodeAudioData(" ");
ok(p instanceof Promise, "AudioContext.decodeAudioData should return a Promise");
p.then(function(data) {
ok(false, "Promise should not resolve with an invalid source buffer.");
finish();
}).catch(function(e) {
ok(true, "Promise should be rejected with an invalid source buffer.");
ok(e.name == "TypeError", "The error should be TypeError");
finish();
})
});
// Test that a the promise is resolved with a valid source buffer.
var xhr = new XMLHttpRequest();
xhr.open("GET", "ting-44.1k-1ch.ogg", true);
xhr.responseType = "arraybuffer";
xhr.onload = function() {
var p = ac.decodeAudioData(xhr.response);
ok(p instanceof Promise, "AudioContext.decodeAudioData should return a Promise");
p.then(function(data) {
ok(data instanceof AudioBuffer, "Promise should resolve, passing an AudioBuffer");
ok(true, "Promise should resolve with a valid source buffer.");
finish();
}).catch(function() {
ok(false, "Promise should not be rejected with a valid source buffer.");
finish();
});
};
xhr.send();
});
</script>
</pre>
</body>
</html>