1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/sharedarraybuffer-processor.js b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/sharedarraybuffer-processor.js
new file mode 100644
index 0000000000..2ccacccd4b
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/processors/sharedarraybuffer-processor.js
@@ -0,0 +1,35 @@
+/**
+ * @class SharedArrayBufferProcessor
+ * @extends AudioWorkletProcessor
+ *
+ * This processor class demonstrates passing SharedArrayBuffers to and from
+ * workers.
+ */
+class SharedArrayBufferProcessor extends AudioWorkletProcessor {
+  constructor() {
+    super();
+    this.port.onmessage = this.handleMessage.bind(this);
+    this.port.onmessageerror = this.handleMessageError.bind(this);
+    let sab = new SharedArrayBuffer(8);
+    this.port.postMessage({state: 'created', sab});
+  }
+
+  handleMessage(event) {
+    this.port.postMessage({
+      state: 'received message',
+      isSab: event.data instanceof SharedArrayBuffer
+    });
+  }
+
+  handleMessageError(event) {
+    this.port.postMessage({
+      state: 'received messageerror'
+    });
+  }
+
+  process() {
+    return true;
+  }
+}
+
+registerProcessor('sharedarraybuffer-processor', SharedArrayBufferProcessor);