1 files changed, 58 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_disconnectAudioParam.html b/dom/media/webaudio/test/test_disconnectAudioParam.html
new file mode 100644
index 000000000..1f4e79c56
--- /dev/null
+++ b/dom/media/webaudio/test/test_disconnectAudioParam.html
@@ -0,0 +1,58 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Test whether we can disconnect an AudioParam</title>
+    <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+    <script type="text/javascript" src="webaudio.js"></script>
+    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+  </head>
+  <body>
+    <pre id="test">
+      <script class="testbody" type="text/javascript">
+      var gTest = {
+        length: 256,
+        numberOfChannels: 1,
+        createGraph: function(context) {
+          var sourceBuffer = context.createBuffer(1, 256, context.sampleRate);
+          var data = sourceBuffer.getChannelData(0);
+          for (var j = 0; j < data.length; j++) {
+              data[j] = 1;
+          }
+
+          var source = context.createBufferSource();
+          source.buffer = sourceBuffer;
+
+          var half = context.createGain();
+          var gain1 = context.createGain();
+          var gain2 = context.createGain();
+
+          half.gain.value = 0.5;
+
+          source.connect(gain1);
+          gain1.connect(gain2);
+          source.connect(half);
+
+          half.connect(gain1.gain);
+          half.connect(gain2.gain);
+
+          half.disconnect(gain2.gain);
+
+          source.start();
+
+          return gain2;
+        },
+        createExpectedBuffers: function(context) {
+          expectedBuffer = context.createBuffer(1, 256, context.sampleRate);
+          for (var i = 0; i < 256; ++i) {
+            expectedBuffer.getChannelData(0)[i] = 1.5;
+          }
+
+          return expectedBuffer;
+        }
+      };
+
+      runTest();
+      </script>
+    </pre>
+  </body>
+</html>