diff options
Diffstat (limited to 'tests/node_compat/test/parallel/test-stream-once-readable-pipe.js')
-rw-r--r-- | tests/node_compat/test/parallel/test-stream-once-readable-pipe.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-stream-once-readable-pipe.js b/tests/node_compat/test/parallel/test-stream-once-readable-pipe.js new file mode 100644 index 000000000..f273b9602 --- /dev/null +++ b/tests/node_compat/test/parallel/test-stream-once-readable-pipe.js @@ -0,0 +1,68 @@ +// deno-fmt-ignore-file +// deno-lint-ignore-file + +// Copyright Joyent and Node contributors. All rights reserved. MIT license. +// Taken from Node 18.12.1 +// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually. + +'use strict'; + +const common = require('../common'); +const assert = require('assert'); +const { Readable, Writable } = require('stream'); + +// This test ensures that if have 'readable' listener +// on Readable instance it will not disrupt the pipe. + +{ + let receivedData = ''; + const w = new Writable({ + write: (chunk, env, callback) => { + receivedData += chunk; + callback(); + }, + }); + + const data = ['foo', 'bar', 'baz']; + const r = new Readable({ + read: () => {}, + }); + + r.once('readable', common.mustCall()); + + r.pipe(w); + r.push(data[0]); + r.push(data[1]); + r.push(data[2]); + r.push(null); + + w.on('finish', common.mustCall(() => { + assert.strictEqual(receivedData, data.join('')); + })); +} + +{ + let receivedData = ''; + const w = new Writable({ + write: (chunk, env, callback) => { + receivedData += chunk; + callback(); + }, + }); + + const data = ['foo', 'bar', 'baz']; + const r = new Readable({ + read: () => {}, + }); + + r.pipe(w); + r.push(data[0]); + r.push(data[1]); + r.push(data[2]); + r.push(null); + r.once('readable', common.mustCall()); + + w.on('finish', common.mustCall(() => { + assert.strictEqual(receivedData, data.join('')); + })); +} |