1 files changed, 20 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/extendable-event-async-waituntil.js b/testing/web-platform/tests/service-workers/service-worker/resources/extendable-event-async-waituntil.js
new file mode 100644
index 000000000..d77238d93
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/extendable-event-async-waituntil.js
@@ -0,0 +1,20 @@
+var result = 'FAIL: did not throw.';
+
+self.addEventListener('message', function(event) {
+    event.data.port.postMessage(result);
+  });
+
+self.addEventListener('install', function(event) {
+    self.installEvent = event;
+  });
+
+self.addEventListener('activate', function(event) {
+    try {
+      self.installEvent.waitUntil(new Promise(function(){}));
+    } catch (error) {
+      if (error.name == 'InvalidStateError')
+        result = 'PASS';
+      else
+        result = 'FAIL: unexpected exception: ' + error;
+    }
+  });