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denoland-deno/tests/node_compat/test/parallel/test-buffer-sharedarraybuffer.js
Yoshiya Hinosawa fb24fd37c9
test: add node compat test cases (#27134)
This PR enables node compat test cases found passing by using the tool
added in #27122

The percentage of passing test case increases from 16.16% to 30.43% by
this change.
2024-12-04 11:37:20 +09:00

34 lines
891 B
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';
require('../common');
const assert = require('assert');
const sab = new SharedArrayBuffer(24);
const arr1 = new Uint16Array(sab);
const arr2 = new Uint16Array(12);
arr2[0] = 5000;
arr1[0] = 5000;
arr1[1] = 4000;
arr2[1] = 4000;
const arr_buf = Buffer.from(arr1.buffer);
const ar_buf = Buffer.from(arr2.buffer);
assert.deepStrictEqual(arr_buf, ar_buf);
arr1[1] = 6000;
arr2[1] = 6000;
assert.deepStrictEqual(arr_buf, ar_buf);
// Checks for calling Buffer.byteLength on a SharedArrayBuffer.
assert.strictEqual(Buffer.byteLength(sab), sab.byteLength);
Buffer.from({ buffer: sab }); // Should not throw.