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