1 files changed, 37 insertions, 0 deletions
diff --git a/dom/media/webrtc/tests/mochitests/test_getUserMedia_nonDefaultRate.html b/dom/media/webrtc/tests/mochitests/test_getUserMedia_nonDefaultRate.html
new file mode 100644
index 0000000000..8a6ac8c62b
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+++ b/dom/media/webrtc/tests/mochitests/test_getUserMedia_nonDefaultRate.html
@@ -0,0 +1,37 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="mediaStreamPlayback.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+  createHTML({
+    title: "getUserMedia feed to a graph with non default rate",
+    bug: "1387454",
+  });
+
+  /**
+   * Run a test to verify that when we use the streem from a gUM to an AudioContext
+   * with non default rate the connection fails. (gUM is always on default rate).
+   */
+  runTest(async () => {
+    // Since we do not examine the stream we do not need loopback.
+    DISABLE_LOOPBACK_TONE = true;
+    const stream = await getUserMedia({audio: true});
+    const nonDefaultRate = 32000;
+    const ac = new AudioContext({sampleRate: nonDefaultRate});
+    mustThrowWith(
+      "Connect stream with graph of different sample rate",
+      "NotSupportedError", () => {
+        ac.createMediaStreamSource(stream);
+      }
+    );
+    for (let t of stream.getTracks()) {
+      t.stop();
+    }
+  });
+</script>
+</pre>
+</body>
+</html>