| 'use strict'; | |
| if (self.importScripts) { | |
| self.importScripts('/resources/testharness.js'); | |
| } | |
| promise_test(() => { | |
| const rs = new ReadableStream({ | |
| start(c) { | |
| c.enqueue('a'); | |
| c.enqueue('b'); | |
| c.enqueue('c'); | |
| c.close(); | |
| } | |
| }); | |
| const ts = new TransformStream(); | |
| const ws = new WritableStream(); | |
| return rs.pipeThrough(ts).pipeTo(ws).then(() => { | |
| const writer = ws.getWriter(); | |
| return writer.closed; | |
| }); | |
| }, 'Piping through an identity transform stream should close the destination when the source closes'); | |
| done(); |