deno.land / std@0.166.0 / node / _tools / test / parallel / test-buffer-compare-offset.js

test-buffer-compare-offset.js
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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
require('../common');const assert = require('assert');
const a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);const b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
assert.strictEqual(a.compare(b), -1);
// Equivalent to a.compare(b).assert.strictEqual(a.compare(b, 0), -1);assert.throws(() => a.compare(b, '0'), { code: 'ERR_INVALID_ARG_TYPE' });assert.strictEqual(a.compare(b, undefined), -1);
// Equivalent to a.compare(b).assert.strictEqual(a.compare(b, 0, undefined, 0), -1);
// Zero-length target, return 1assert.strictEqual(a.compare(b, 0, 0, 0), 1);assert.throws( () => a.compare(b, 0, '0', '0'), { code: 'ERR_INVALID_ARG_TYPE' });
// Equivalent to Buffer.compare(a, b.slice(6, 10))assert.strictEqual(a.compare(b, 6, 10), 1);
// Zero-length source, return -1assert.strictEqual(a.compare(b, 6, 10, 0, 0), -1);
// Zero-length source and target, return 0assert.strictEqual(a.compare(b, 0, 0, 0, 0), 0);assert.strictEqual(a.compare(b, 1, 1, 2, 2), 0);
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))assert.strictEqual(a.compare(b, 0, 5, 4), 1);
// Equivalent to Buffer.compare(a.slice(1), b.slice(5))assert.strictEqual(a.compare(b, 5, undefined, 1), 1);
// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))assert.strictEqual(a.compare(b, 2, 4, 2), -1);
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))assert.strictEqual(a.compare(b, 0, 7, 4), -1);
// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));assert.strictEqual(a.compare(b, 0, 7, 4, 6), -1);
// Null is ambiguous.assert.throws( () => a.compare(b, 0, null), { code: 'ERR_INVALID_ARG_TYPE' });
// Values do not get coerced.assert.throws( () => a.compare(b, 0, { valueOf: () => 5 }), { code: 'ERR_INVALID_ARG_TYPE' });
// Infinity should not be coerced.assert.throws( () => a.compare(b, Infinity, -Infinity), { code: 'ERR_OUT_OF_RANGE' });
// Zero length target because default for targetEnd <= targetSourceassert.strictEqual(a.compare(b, 0xff), 1);
assert.throws( () => a.compare(b, '0xff'), { code: 'ERR_INVALID_ARG_TYPE' });assert.throws( () => a.compare(b, 0, '0xff'), { code: 'ERR_INVALID_ARG_TYPE' });
const oor = { code: 'ERR_OUT_OF_RANGE' };
assert.throws(() => a.compare(b, 0, 100, 0), oor);assert.throws(() => a.compare(b, 0, 1, 0, 100), oor);assert.throws(() => a.compare(b, -1), oor);assert.throws(() => a.compare(b, 0, Infinity), oor);assert.throws(() => a.compare(b, 0, 1, -1), oor);assert.throws(() => a.compare(b, -Infinity, Infinity), oor);assert.throws(() => a.compare(), { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "target" argument must be an instance of ' + 'Buffer or Uint8Array. Received undefined'});
std

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a year ago