From 65d236c8f164296428e8903bdce6de9c883a8f71 Mon Sep 17 00:00:00 2001
From: Paul Adenot <paul@paul.cx>
Date: Wed, 22 Oct 2014 11:00:00 +0200
Subject: [PATCH] Bug 1000264 - Test for the Promise support of
 AudioContext.decodeAudioData.  r=ehsan

--HG--
extra : rebase_source : 190819460674ff21ef83d64f419cb912e1e9fd22
---
 dom/media/webaudio/test/mochitest.ini         |  1 +
 .../test/test_decodeAudioDataPromise.html     | 61 +++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 dom/media/webaudio/test/test_decodeAudioDataPromise.html
diff --git a/dom/media/webaudio/test/mochitest.ini b/dom/media/webaudio/test/mochitest.ini
index 7e5d5d18a62f..f0ffa59f65a2 100644
--- a/dom/media/webaudio/test/mochitest.ini
+++ b/dom/media/webaudio/test/mochitest.ini
@@ -87,6 +87,7 @@ skip-if = toolkit == 'android' # bug 1056706
 [test_convolverNodeWithGain.html]
 [test_currentTime.html]
 [test_decodeMultichannel.html]
+[test_decodeAudioDataPromise.html]
 [test_delayNode.html]
 [test_delayNodeAtMax.html]
 [test_delayNodeChannelChanges.html]
diff --git a/dom/media/webaudio/test/test_decodeAudioDataPromise.html b/dom/media/webaudio/test/test_decodeAudioDataPromise.html
new file mode 100644
index 000000000000..8f15aaa6d6f0
--- /dev/null
+++ b/dom/media/webaudio/test/test_decodeAudioDataPromise.html
@@ -0,0 +1,61 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test the decodeAudioData API with Promise</title>
+
+  <script type="text/javascript" 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() {
+    ok(true, "Promise should be rejected with an invalid source buffer.");
+    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>
