1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-destinationnode-interface/destination.html b/testing/web-platform/tests/webaudio/the-audio-api/the-destinationnode-interface/destination.html
new file mode 100644
index 0000000000..1af0e0f010
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-destinationnode-interface/destination.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      AudioDestinationNode
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <script>
+      function assert_doesnt_throw(f, desc) {
+        try {
+          f();
+        } catch (e) {
+          assert_true(false, desc);
+          return;
+        }
+        assert_true(true, desc);
+      }
+
+      test(function() {
+          var ac = new AudioContext();
+
+          assert_equals(ac.destination.channelCount, 2,
+              "A DestinationNode should have two channels by default");
+
+          assert_greater_than_equal(ac.destination.maxChannelCount, 2,
+            "maxChannelCount should be >= 2");
+
+          assert_throws_dom("IndexSizeError", function() {
+              ac.destination.channelCount = ac.destination.maxChannelCount + 1
+              }, `Setting the channelCount to something greater than
+                  the maxChannelCount should throw IndexSizeError`);
+
+          assert_throws_dom("NotSupportedError", function() {
+              ac.destination.channelCount = 0;
+          }, "Setting the channelCount to 0 should throw NotSupportedError");
+
+          assert_doesnt_throw(function() {
+              ac.destination.channelCount = ac.destination.maxChannelCount;
+          }, "Setting the channelCount to maxChannelCount should not throw");
+
+          assert_doesnt_throw(function() {
+              ac.destination.channelCount = 1;
+          }, "Setting the channelCount to 1 should not throw");
+      });
+
+    </script>
+  </body>
+</html>