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-rw-r--r--testing/web-platform/tests/webmessaging/MessagePort_onmessage_start.any.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/MessagePort_onmessage_start.any.js b/testing/web-platform/tests/webmessaging/MessagePort_onmessage_start.any.js
new file mode 100644
index 0000000000..7ba3a37210
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/MessagePort_onmessage_start.any.js
@@ -0,0 +1,10 @@
+// META: title=MessageChannel: port.onmessage enables message queue
+
+// TODO: duplicate of ./message-channels/implied-start.any.js?
+
+async_test(function(t) {
+ var channel = new MessageChannel();
+ channel.port2.onmessage = t.step_func_done();
+ channel.port1.postMessage("ping");
+ t.step_timeout(t.unreached_func(), 1000);
+});