| This is a testharness.js-based test. |
| PASS window.postMessage should be able to transfer a TransformStream |
| PASS a TransformStream with a locked writable should not be transferable |
| PASS a TransformStream with a locked readable should not be transferable |
| PASS a TransformStream with both sides locked should not be transferable |
| FAIL piping through transferred transforms should work Failed to execute 'pipeThrough' on 'ReadableStream': pipeThrough disabled because StreamsNative feature is enabled |
| Harness: the test ran to completion. |
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