1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/dynamicscompressor-basic.html b/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/dynamicscompressor-basic.html
new file mode 100644
index 0000000000..6c602010d0
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-dynamicscompressornode-interface/dynamicscompressor-basic.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      dynamicscompressor-basic.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>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let audit = Audit.createTaskRunner();
+      let context;
+      let compressor;
+
+      audit.define(
+          {
+            label: 'test',
+            description: 'Basic tests for DynamicsCompressorNode API'
+          },
+          function(task, should) {
+
+            context = new AudioContext();
+            compressor = context.createDynamicsCompressor();
+
+            should(compressor.threshold.value, 'compressor.threshold.value')
+                .beEqualTo(-24);
+            should(compressor.knee.value, 'compressor.knee.value')
+                .beEqualTo(30);
+            should(compressor.ratio.value, 'compressor.ratio.value')
+                .beEqualTo(12);
+            should(compressor.attack.value, 'compressor.attack.value')
+                .beEqualTo(Math.fround(0.003));
+            should(compressor.release.value, 'compressor.release.value')
+                .beEqualTo(0.25);
+            should(typeof compressor.reduction, 'typeof compressor.reduction')
+                .beEqualTo('number');
+            should(compressor.reduction, 'compressor.reduction').beEqualTo(0);
+
+            task.done();
+          });
+
+      audit.run();
+    </script>
+  </body>
+</html>