mirror of
https://github.com/denoland/deno.git
synced 2024-11-05 09:04:41 -05:00
29 lines
863 B
JavaScript
29 lines
863 B
JavaScript
|
// 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 "node/_tools/setup.ts". Do not modify this file manually
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
const common = require('../common');
|
||
|
|
const assert = require('assert');
|
||
|
|
const { Readable } = require('stream');
|
||
|
|
|
||
|
|
// Verify that .push() and .unshift() can be called from 'data' listeners.
|
||
|
|
|
||
|
|
for (const method of ['push', 'unshift']) {
|
||
|
|
const r = new Readable({ read() {} });
|
||
|
|
r.once('data', common.mustCall((chunk) => {
|
||
|
|
assert.strictEqual(r.readableLength, 0);
|
||
|
|
r[method](chunk);
|
||
|
|
assert.strictEqual(r.readableLength, chunk.length);
|
||
|
|
|
||
|
|
r.on('data', common.mustCall((chunk) => {
|
||
|
|
assert.strictEqual(chunk.toString(), 'Hello, world');
|
||
|
|
}));
|
||
|
|
}));
|
||
|
|
|
||
|
|
r.push('Hello, world');
|
||
|
|
}
|