1 files changed, 57 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueAtTime.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueAtTime.html
new file mode 100644
index 0000000000..ab2edfd009
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setValueAtTime.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      audioparam-setValueAtTime.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/audioparam-testing.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+
+      // Play a long DC signal out through an AudioGainNode, and call
+      // setValueAtTime() at regular intervals to set the value for the duration
+      // of the interval.  Each time interval has different value so that there
+      // is a discontinuity at each time interval boundary.  The discontinuity
+      // is for testing timing.
+
+      // Number of tests to run.
+      let numberOfTests = 100;
+
+      // Max allowed difference between the rendered data and the expected
+      // result.
+      let maxAllowedError = 6e-8;
+
+      // Set the gain node value to the specified value at the specified time.
+      function setValue(value, time) {
+        gainNode.gain.setValueAtTime(value, time);
+      }
+
+      // For testing setValueAtTime(), we don't need to do anything for
+      // automation. because the value at the beginning of the interval is set
+      // by setValue and it remains constant for the duration, which is what we
+      // want.
+      function automation(value, startTime, endTime) {
+        // Do nothing.
+      }
+
+      audit.define(
+          {
+            label: 'test',
+            description: 'AudioParam setValueAtTime() functionality.'
+          },
+          function(task, should) {
+            createAudioGraphAndTest(
+                task, should, numberOfTests, 1, setValue, automation,
+                'setValueAtTime()', maxAllowedError, createConstantArray);
+          });
+
+      audit.run();
+    </script>
+  </body>
+</html>