| PASS ReadableStream.prototype.pipeThrough works generically on its this and its arguments | |
| PASS ReadableStream.prototype.pipeTo works generically on its this and its arguments | |
| PASS ByteLengthQueuingStrategy.prototype.size should work generically on its this and its arguments | |
| PASS CountQueuingStrategy.prototype.size should work generically on its this and its arguments | |