| PASS | Piping through a duck-typed pass-through transform stream should work | |
| PASS | Piping through a transform errored on the writable end does not cause an unhandled promise rejection | |
| PASS | pipeThrough should not call pipeTo on this | |
| PASS | pipeThrough should not call pipeTo on the ReadableStream prototype | |
| PASS | pipeThrough should brand-check this and not allow 'null' | |
| PASS | pipeThrough should brand-check readable and not allow 'null' | |
| PASS | pipeThrough should brand-check this and not allow 'undefined' | |
| PASS | pipeThrough should brand-check readable and not allow 'undefined' | |
| PASS | pipeThrough should brand-check this and not allow '0' | |
| PASS | pipeThrough should brand-check readable and not allow '0' | |
| PASS | pipeThrough should brand-check this and not allow 'NaN' | |
| PASS | pipeThrough should brand-check readable and not allow 'NaN' | |
| PASS | pipeThrough should brand-check this and not allow 'true' | |
| PASS | pipeThrough should brand-check readable and not allow 'true' | |
| PASS | pipeThrough should brand-check this and not allow 'ReadableStream' | |
| PASS | pipeThrough should brand-check readable and not allow 'ReadableStream' | |
| PASS | pipeThrough should brand-check this and not allow '[object ReadableStream]' | |
| PASS | pipeThrough should brand-check readable and not allow '[object ReadableStream]' | |
| PASS | pipeThrough should brand-check writable and not allow 'null' | |
| PASS | pipeThrough should brand-check writable and not allow 'undefined' | |
| PASS | pipeThrough should brand-check writable and not allow '0' | |
| PASS | pipeThrough should brand-check writable and not allow 'NaN' | |
| PASS | pipeThrough should brand-check writable and not allow 'true' | |
| PASS | pipeThrough should brand-check writable and not allow 'WritableStream' | |
| PASS | pipeThrough should brand-check writable and not allow '[object WritableStream]' | |
| PASS | pipeThrough should rethrow errors from accessing readable or writable | |
| PASS | invalid values of signal should throw; specifically 'null' | |
| PASS | invalid values of signal should throw; specifically '0' | |
| PASS | invalid values of signal should throw; specifically 'NaN' | |
| PASS | invalid values of signal should throw; specifically 'true' | |
| PASS | invalid values of signal should throw; specifically 'AbortSignal' | |
| PASS | invalid values of signal should throw; specifically '[object AbortSignal]' | |
| PASS | pipeThrough should accept a real AbortSignal | |
| PASS | pipeThrough should throw if this is locked | |
| PASS | pipeThrough should throw if writable is locked | |
| PASS | pipeThrough should not care if readable is locked | |
| PASS | preventCancel should work | |
| PASS | preventClose should work | |
| PASS | preventAbort should work | |
| PASS | pipeThrough() should throw if an option getter grabs a writer | |
| PASS | pipeThrough() should not throw if option is null | |
| PASS | pipeThrough() should not throw if signal is undefined | |
| PASS | pipeThrough() should throw if readable/writable getters throw | |