mirror of
https://github.com/denoland/deno.git
synced 2024-10-30 09:08:00 -04:00
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
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 `tools/node_compat/setup.ts`. Do not modify this file manually.
|
|
|
|
// 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 { Readable } = require('stream');
|
|
|
|
let len = 0;
|
|
const chunks = new Array(10);
|
|
for (let i = 1; i <= 10; i++) {
|
|
chunks[i - 1] = Buffer.allocUnsafe(i);
|
|
len += i;
|
|
}
|
|
|
|
const test = new Readable();
|
|
let n = 0;
|
|
test._read = function(size) {
|
|
const chunk = chunks[n++];
|
|
setTimeout(function() {
|
|
test.push(chunk === undefined ? null : chunk);
|
|
}, 1);
|
|
};
|
|
|
|
test.on('end', thrower);
|
|
function thrower() {
|
|
throw new Error('this should not happen!');
|
|
}
|
|
|
|
let bytesread = 0;
|
|
test.on('readable', function() {
|
|
const b = len - bytesread - 1;
|
|
const res = test.read(b);
|
|
if (res) {
|
|
bytesread += res.length;
|
|
console.error(`br=${bytesread} len=${len}`);
|
|
setTimeout(next, 1);
|
|
}
|
|
test.read(0);
|
|
});
|
|
test.read(0);
|
|
|
|
function next() {
|
|
// Now let's make 'end' happen
|
|
test.removeListener('end', thrower);
|
|
test.on('end', common.mustCall());
|
|
|
|
// One to get the last byte
|
|
let r = test.read();
|
|
assert(r);
|
|
assert.strictEqual(r.length, 1);
|
|
r = test.read();
|
|
assert.strictEqual(r, null);
|
|
}
|