deno/tests/node_compat/test/parallel/test-buffer-compare.js
Yoshiya Hinosawa 1022decc79
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fix(ext/node): align input validation of Buffer.compare (#29275)
2025-05-13 17:14:19 +09:00

54 lines
1.9 KiB
JavaScript

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 23.9.0
// 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 b = Buffer.alloc(1, 'a');
const c = Buffer.alloc(1, 'c');
const d = Buffer.alloc(2, 'aa');
const e = new Uint8Array([ 0x61, 0x61 ]); // ASCII 'aa', same as d
assert.strictEqual(b.compare(c), -1);
assert.strictEqual(c.compare(d), 1);
assert.strictEqual(d.compare(b), 1);
assert.strictEqual(d.compare(e), 0);
assert.strictEqual(b.compare(d), -1);
assert.strictEqual(b.compare(b), 0);
assert.strictEqual(Buffer.compare(b, c), -1);
assert.strictEqual(Buffer.compare(c, d), 1);
assert.strictEqual(Buffer.compare(d, b), 1);
assert.strictEqual(Buffer.compare(b, d), -1);
assert.strictEqual(Buffer.compare(c, c), 0);
assert.strictEqual(Buffer.compare(e, e), 0);
assert.strictEqual(Buffer.compare(d, e), 0);
assert.strictEqual(Buffer.compare(d, b), 1);
assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
assert.strictEqual(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
assert.throws(() => Buffer.compare(Buffer.alloc(1), 'abc'), {
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "buf2" argument must be an instance of Buffer or Uint8Array. ' +
"Received type string ('abc')"
});
assert.throws(() => Buffer.compare('abc', Buffer.alloc(1)), {
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "buf1" argument must be an instance of Buffer or Uint8Array. ' +
"Received type string ('abc')"
});
assert.throws(() => Buffer.alloc(1).compare('abc'), {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: 'The "target" argument must be an instance of ' +
"Buffer or Uint8Array. Received type string ('abc')"
});