1 files changed, 22 insertions, 0 deletions
diff --git a/dom/worklet/tests/worklet_promise.js b/dom/worklet/tests/worklet_promise.js
new file mode 100644
index 0000000000..8c593fd001
--- /dev/null
+++ b/dom/worklet/tests/worklet_promise.js
@@ -0,0 +1,22 @@
+class WasmProcessWorkletProcessor extends AudioWorkletProcessor {
+  constructor(...args) {
+    super(...args);
+    this.port.onmessage = e => {
+      WebAssembly.compile(e.data).then(
+        m => {
+          this.port.postMessage(m);
+        },
+        () => {
+          this.port.postMessage("error");
+        }
+      );
+    };
+  }
+
+  process(inputs, outputs, parameters) {
+    // Do nothing, output silence
+    return true;
+  }
+}
+
+registerProcessor("promise", WasmProcessWorkletProcessor);