1 This test checks the various use cases around sending multiple ports through WorkerGlobalScope.postMessage
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS event.ports is non-null and zero length when no port sent
7 PASS event.ports is non-null and zero length when empty array sent
8 PASS event.ports contains two ports when two ports sent
9 PASS posting a null port did throw: Error: DATA_CLONE_ERR: DOM Exception 25
10 PASS posting a non-port did throw: TypeError: Type error
11 PASS event.ports contains two ports when two ports re-sent after error
12 PASS posting a non-array did throw: TypeError: Type error
13 PASS posting a non-sequence did throw: TypeError: Type error