307 lines
9.6 KiB
JavaScript
307 lines
9.6 KiB
JavaScript
'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 offsets
|
|
assert(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));
|
|
|
|
assert(!Buffer.from('ff').includes(Buffer.from('f'), 1, 'ucs2'));
|
|
|
|
// test hex encoding
|
|
assert.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 encoding
|
|
assert.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 encoding
|
|
assert.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 encoding
|
|
assert.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 encoding
|
|
assert.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 encoding
|
|
let 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 pattern
|
|
assert(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 pattern
|
|
assert(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 long
|
|
let 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
|
|
{
|
|
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));
|
|
}
|