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denoland-deno/tests/node_compat/test/parallel/test-buffer-parent-property.js
Yoshiya Hinosawa d04d5677d9
chore: update node_compat setup script (#27051)
This PR updates the node_compat setup script. Now the copied version in
each test file is corrected. Also `TODO.md` links to the correct files
in Node.js repo.
2024-11-25 22:35:53 +09:00

28 lines
1.1 KiB
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 20.11.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
'use strict';
// Fix for https://github.com/nodejs/node/issues/8266
//
// Zero length Buffer objects should expose the `buffer` property of the
// TypedArrays, via the `parent` property.
require('../common');
const assert = require('assert');
// If the length of the buffer object is zero
assert((new Buffer(0)).parent instanceof ArrayBuffer);
// If the length of the buffer object is equal to the underlying ArrayBuffer
assert((new Buffer(Buffer.poolSize)).parent instanceof ArrayBuffer);
// Same as the previous test, but with user created buffer
const arrayBuffer = new ArrayBuffer(0);
assert.strictEqual(new Buffer(arrayBuffer).parent, arrayBuffer);
assert.strictEqual(new Buffer(arrayBuffer).buffer, arrayBuffer);
assert.strictEqual(Buffer.from(arrayBuffer).parent, arrayBuffer);
assert.strictEqual(Buffer.from(arrayBuffer).buffer, arrayBuffer);