1 files changed, 61 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode.html b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode.html
new file mode 100644
index 0000000000..da508e439f
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-delaynode-interface/delaynode.html
@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      delaynode.html
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit-util.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+    <script src="/webaudio/resources/delay-testing.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+
+      audit.define(
+          {
+            label: 'test',
+            description: 'Tests attribute and basic functionality of DelayNode'
+          },
+          function(task, should) {
+
+            // Create offline audio context.
+            let context = new OfflineAudioContext(
+                1, sampleRate * renderLengthSeconds, sampleRate);
+            let toneBuffer = createToneBuffer(
+                context, 20, 20 * toneLengthSeconds, sampleRate);  // 20Hz tone
+
+            let bufferSource = context.createBufferSource();
+            bufferSource.buffer = toneBuffer;
+
+            let delay = context.createDelay();
+
+            window.delay = delay;
+            should(delay.numberOfInputs, 'delay.numberOfInputs').beEqualTo(1);
+            should(delay.numberOfOutputs, 'delay.numberOfOutputs').beEqualTo(1);
+            should(delay.delayTime.defaultValue, 'delay.delayTime.defaultValue')
+                .beEqualTo(0.0);
+            should(delay.delayTime.value, 'delay.delayTime.value')
+                .beEqualTo(0.0);
+
+            delay.delayTime.value = delayTimeSeconds;
+            should(
+                delay.delayTime.value,
+                'delay.delayTime.value = ' + delayTimeSeconds)
+                .beEqualTo(delayTimeSeconds);
+
+            bufferSource.connect(delay);
+            delay.connect(context.destination);
+            bufferSource.start(0);
+
+            context.startRendering()
+                .then(buffer => checkDelayedResult(buffer, toneBuffer, should))
+                .then(task.done.bind(task));
+          });
+
+      audit.run();
+    </script>
+  </body>
+</html>