mirror of
https://github.com/nodejs/node.git
synced 2025-05-02 16:22:29 +00:00
4f2e372716
Export a new common.noop no-operation function for general use. Allow using common.mustCall() without a fn argument to simplify test cases. Replace various non-op functions throughout tests with common.noop PR-URL: https://github.com/nodejs/node/pull/12027 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const stream = require('stream');
|
|
const str = 'asdfasdfasdfasdfasdf';
|
|
|
|
const r = new stream.Readable({
|
|
highWaterMark: 5,
|
|
encoding: 'utf8'
|
|
});
|
|
|
|
let reads = 0;
|
|
|
|
function _read() {
|
|
if (reads === 0) {
|
|
setTimeout(function() {
|
|
r.push(str);
|
|
}, 1);
|
|
reads++;
|
|
} else if (reads === 1) {
|
|
const ret = r.push(str);
|
|
assert.strictEqual(ret, false);
|
|
reads++;
|
|
} else {
|
|
r.push(null);
|
|
}
|
|
}
|
|
|
|
r._read = common.mustCall(_read, 3);
|
|
|
|
r.on('end', common.mustCall());
|
|
|
|
// push some data in to start.
|
|
// we've never gotten any read event at this point.
|
|
const ret = r.push(str);
|
|
// should be false. > hwm
|
|
assert(!ret);
|
|
let chunk = r.read();
|
|
assert.strictEqual(chunk, str);
|
|
chunk = r.read();
|
|
assert.strictEqual(chunk, null);
|
|
|
|
r.once('readable', function() {
|
|
// this time, we'll get *all* the remaining data, because
|
|
// it's been added synchronously, as the read WOULD take
|
|
// us below the hwm, and so it triggered a _read() again,
|
|
// which synchronously added more, which we then return.
|
|
chunk = r.read();
|
|
assert.strictEqual(chunk, str + str);
|
|
|
|
chunk = r.read();
|
|
assert.strictEqual(chunk, null);
|
|
});
|