Harness status: OK

Found 14 tests

14 Pass
Pass	Piping must lock both the ReadableStream and WritableStream
Pass	Piping finishing must unlock both the ReadableStream and WritableStream
Pass	pipeTo must check the brand of its ReadableStream this value
Pass	pipeTo must check the brand of its WritableStream argument
Pass	pipeTo must fail if the ReadableStream is locked, and not lock the WritableStream
Pass	pipeTo must fail if the WritableStream is locked, and not lock the ReadableStream
Pass	Piping from a ReadableStream from which lots of chunks are synchronously readable
Pass	Piping from a ReadableStream for which a chunk becomes asynchronously readable after the pipeTo
Pass	an undefined rejection from pull should cause pipeTo() to reject when preventAbort is true
Pass	an undefined rejection from pull should cause pipeTo() to reject when preventAbort is false
Pass	an undefined rejection from write should cause pipeTo() to reject when preventCancel is true
Pass	an undefined rejection from write should cause pipeTo() to reject when preventCancel is false
Pass	pipeTo() should reject if an option getter grabs a writer
Pass	pipeTo() promise should resolve if null is passed