deno.land / std@0.166.0 / node / _tools / test / parallel / test-buffer-includes.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';const common = require('../common');const assert = require('assert');
const b = Buffer.from('abcdef');const buf_a = Buffer.from('a');const buf_bc = Buffer.from('bc');const buf_f = Buffer.from('f');const buf_z = Buffer.from('z');const buf_empty = Buffer.from('');
assert(b.includes('a'));assert(!b.includes('a', 1));assert(!b.includes('a', -1));assert(!b.includes('a', -4));assert(b.includes('a', -b.length));assert(b.includes('a', NaN));assert(b.includes('a', -Infinity));assert(!b.includes('a', Infinity));assert(b.includes('bc'));assert(!b.includes('bc', 2));assert(!b.includes('bc', -1));assert(!b.includes('bc', -3));assert(b.includes('bc', -5));assert(b.includes('bc', NaN));assert(b.includes('bc', -Infinity));assert(!b.includes('bc', Infinity));assert(b.includes('f'), b.length - 1);assert(!b.includes('z'));assert(b.includes(''));assert(b.includes('', 1));assert(b.includes('', b.length + 1));assert(b.includes('', Infinity));assert(b.includes(buf_a));assert(!b.includes(buf_a, 1));assert(!b.includes(buf_a, -1));assert(!b.includes(buf_a, -4));assert(b.includes(buf_a, -b.length));assert(b.includes(buf_a, NaN));assert(b.includes(buf_a, -Infinity));assert(!b.includes(buf_a, Infinity));assert(b.includes(buf_bc));assert(!b.includes(buf_bc, 2));assert(!b.includes(buf_bc, -1));assert(!b.includes(buf_bc, -3));assert(b.includes(buf_bc, -5));assert(b.includes(buf_bc, NaN));assert(b.includes(buf_bc, -Infinity));assert(!b.includes(buf_bc, Infinity));assert(b.includes(buf_f), b.length - 1);assert(!b.includes(buf_z));assert(b.includes(buf_empty));assert(b.includes(buf_empty, 1));assert(b.includes(buf_empty, b.length + 1));assert(b.includes(buf_empty, Infinity));assert(b.includes(0x61));assert(!b.includes(0x61, 1));assert(!b.includes(0x61, -1));assert(!b.includes(0x61, -4));assert(b.includes(0x61, -b.length));assert(b.includes(0x61, NaN));assert(b.includes(0x61, -Infinity));assert(!b.includes(0x61, Infinity));assert(!b.includes(0x0));
// test offsetsassert(b.includes('d', 2));assert(b.includes('f', 5));assert(b.includes('f', -1));assert(!b.includes('f', 6));
assert(b.includes(Buffer.from('d'), 2));assert(b.includes(Buffer.from('f'), 5));assert(b.includes(Buffer.from('f'), -1));assert(!b.includes(Buffer.from('f'), 6));
// TODO(Soremwar)// Enable again once encoding is taking into account when evaluating indexOf// assert(!Buffer.from('ff').includes(Buffer.from('f'), 1, 'ucs2'));
// test hex encodingassert.strictEqual( Buffer.from(b.toString('hex'), 'hex') .includes('64', 0, 'hex'), true);assert.strictEqual( Buffer.from(b.toString('hex'), 'hex') .includes(Buffer.from('64', 'hex'), 0, 'hex'), true);
// Test base64 encodingassert.strictEqual( Buffer.from(b.toString('base64'), 'base64') .includes('ZA==', 0, 'base64'), true);assert.strictEqual( Buffer.from(b.toString('base64'), 'base64') .includes(Buffer.from('ZA==', 'base64'), 0, 'base64'), true);
// test ascii encodingassert.strictEqual( Buffer.from(b.toString('ascii'), 'ascii') .includes('d', 0, 'ascii'), true);assert.strictEqual( Buffer.from(b.toString('ascii'), 'ascii') .includes(Buffer.from('d', 'ascii'), 0, 'ascii'), true);
// Test latin1 encodingassert.strictEqual( Buffer.from(b.toString('latin1'), 'latin1') .includes('d', 0, 'latin1'), true);assert.strictEqual( Buffer.from(b.toString('latin1'), 'latin1') .includes(Buffer.from('d', 'latin1'), 0, 'latin1'), true);
// Test binary encodingassert.strictEqual( Buffer.from(b.toString('binary'), 'binary') .includes('d', 0, 'binary'), true);assert.strictEqual( Buffer.from(b.toString('binary'), 'binary') .includes(Buffer.from('d', 'binary'), 0, 'binary'), true);
// test ucs2 encodinglet twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
assert(twoByteString.includes('\u0395', 4, 'ucs2'));assert(twoByteString.includes('\u03a3', -4, 'ucs2'));assert(twoByteString.includes('\u03a3', -6, 'ucs2'));assert(twoByteString.includes( Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));assert(!twoByteString.includes('\u03a3', -2, 'ucs2'));
const mixedByteStringUcs2 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');assert(mixedByteStringUcs2.includes('bc', 0, 'ucs2'));assert(mixedByteStringUcs2.includes('\u03a3', 0, 'ucs2'));assert(!mixedByteStringUcs2.includes('\u0396', 0, 'ucs2'));
assert.ok( mixedByteStringUcs2.includes(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));assert.ok( mixedByteStringUcs2.includes(Buffer.from('\u03a3', 'ucs2'), 0, 'ucs2'));assert.ok( !mixedByteStringUcs2.includes(Buffer.from('\u0396', 'ucs2'), 0, 'ucs2'));
twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
// Test single char patternassert(twoByteString.includes('\u039a', 0, 'ucs2'));assert(twoByteString.includes('\u0391', 0, 'ucs2'), 'Alpha');assert(twoByteString.includes('\u03a3', 0, 'ucs2'), 'First Sigma');assert(twoByteString.includes('\u03a3', 6, 'ucs2'), 'Second Sigma');assert(twoByteString.includes('\u0395', 0, 'ucs2'), 'Epsilon');assert(!twoByteString.includes('\u0392', 0, 'ucs2'), 'Not beta');
// Test multi-char patternassert(twoByteString.includes('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');assert(twoByteString.includes('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');assert(twoByteString.includes('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');assert(twoByteString.includes('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
const mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');assert(mixedByteStringUtf8.includes('bc'));assert(mixedByteStringUtf8.includes('bc', 5));assert(mixedByteStringUtf8.includes('bc', -8));assert(mixedByteStringUtf8.includes('\u03a3'));assert(!mixedByteStringUtf8.includes('\u0396'));
// Test complex string includes algorithms. Only trigger for long strings.// Long string that isn't a simple repeat of a shorter string.let longString = 'A';for (let i = 66; i < 76; i++) { // from 'B' to 'K' longString = longString + String.fromCharCode(i) + longString;}
const longBufferString = Buffer.from(longString);
// Pattern of 15 chars, repeated every 16 chars in longlet pattern = 'ABACABADABACABA';for (let i = 0; i < longBufferString.length - pattern.length; i += 7) { const includes = longBufferString.includes(pattern, i); assert(includes, `Long ABACABA...-string at index ${i}`);}assert(longBufferString.includes('AJABACA'), 'Long AJABACA, First J');assert(longBufferString.includes('AJABACA', 511), 'Long AJABACA, Second J');
pattern = 'JABACABADABACABA';assert(longBufferString.includes(pattern), 'Long JABACABA..., First J');assert(longBufferString.includes(pattern, 512), 'Long JABACABA..., Second J');
// Search for a non-ASCII string in a pure ASCII string.const asciiString = Buffer.from( 'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');assert(!asciiString.includes('\x2061'));assert(asciiString.includes('leb', 0));
// Search in string containing many non-ASCII chars.const allCodePoints = [];for (let i = 0; i < 65534; i++) allCodePoints[i] = i;const allCharsString = String.fromCharCode.apply(String, allCodePoints) + String.fromCharCode(65534, 65535);const allCharsBufferUtf8 = Buffer.from(allCharsString);const allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
// Search for string long enough to trigger complex search with ASCII pattern// and UC16 subject.assert(!allCharsBufferUtf8.includes('notfound'));assert(!allCharsBufferUcs2.includes('notfound'));
// Find substrings in Utf8.let lengths = [1, 3, 15]; // Single char, simple and complex.let indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];for (let lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) { for (let i = 0; i < indices.length; i++) { const index = indices[i]; let length = lengths[lengthIndex];
if (index + length > 0x7F) { length = 2 * length; }
if (index + length > 0x7FF) { length = 3 * length; }
if (index + length > 0xFFFF) { length = 4 * length; }
const patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length); assert(index, allCharsBufferUtf8.includes(patternBufferUtf8));
const patternStringUtf8 = patternBufferUtf8.toString(); assert(index, allCharsBufferUtf8.includes(patternStringUtf8)); }}
// Find substrings in Usc2.lengths = [2, 4, 16]; // Single char, simple and complex.indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];for (let lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) { for (let i = 0; i < indices.length; i++) { const index = indices[i] * 2; const length = lengths[lengthIndex];
const patternBufferUcs2 = allCharsBufferUcs2.slice(index, index + length); assert.ok( allCharsBufferUcs2.includes(patternBufferUcs2, 0, 'ucs2'));
const patternStringUcs2 = patternBufferUcs2.toString('ucs2'); assert.ok( allCharsBufferUcs2.includes(patternStringUcs2, 0, 'ucs2')); }}
[ () => { }, {}, [],].forEach((val) => { assert.throws( () => b.includes(val), { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "value" argument must be one of type number or string ' + 'or an instance of Buffer or Uint8Array.' + common.invalidArgTypeHelper(val) } );});
// Test truncation of Number arguments to uint8// TODO(Soremwar)// Enable once multi byte number search is available// {// const buf = Buffer.from('this is a test');// assert.ok(buf.includes(0x6973));// assert.ok(buf.includes(0x697320));// assert.ok(buf.includes(0x69732069));// assert.ok(buf.includes(0x697374657374));// assert.ok(buf.includes(0x69737374));// assert.ok(buf.includes(0x69737465));// assert.ok(buf.includes(0x69737465));// assert.ok(buf.includes(-140));// assert.ok(buf.includes(-152));// assert.ok(!buf.includes(0xff));// assert.ok(!buf.includes(0xffff));// }
std
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