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denoland-deno/cli/tests/node_compat/test/common/duplexpair.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

55 lines
1.3 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 "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const { Duplex } = require('stream');
const assert = require('assert');
const kCallback = Symbol('Callback');
const kOtherSide = Symbol('Other');
class DuplexSocket extends Duplex {
constructor() {
super();
this[kCallback] = null;
this[kOtherSide] = null;
}
_read() {
const callback = this[kCallback];
if (callback) {
this[kCallback] = null;
callback();
}
}
_write(chunk, encoding, callback) {
assert.notStrictEqual(this[kOtherSide], null);
assert.strictEqual(this[kOtherSide][kCallback], null);
if (chunk.length === 0) {
process.nextTick(callback);
} else {
this[kOtherSide].push(chunk);
this[kOtherSide][kCallback] = callback;
}
}
_final(callback) {
this[kOtherSide].on('end', callback);
this[kOtherSide].push(null);
}
}
function makeDuplexPair() {
const clientSide = new DuplexSocket();
const serverSide = new DuplexSocket();
clientSide[kOtherSide] = serverSide;
serverSide[kOtherSide] = clientSide;
return { clientSide, serverSide };
}
module.exports = makeDuplexPair;