diff options
Diffstat (limited to 'node_modules/buffer/test/node/test-buffer-includes.js')
-rw-r--r-- | node_modules/buffer/test/node/test-buffer-includes.js | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/node_modules/buffer/test/node/test-buffer-includes.js b/node_modules/buffer/test/node/test-buffer-includes.js deleted file mode 100644 index 2096a34..0000000 --- a/node_modules/buffer/test/node/test-buffer-includes.js +++ /dev/null @@ -1,305 +0,0 @@ -'use strict'; -var Buffer = require('../../').Buffer; - - -var assert = require('assert'); - -var Buffer = require('../../').Buffer; - -var b = Buffer.from('abcdef'); -var buf_a = Buffer.from('a'); -var buf_bc = Buffer.from('bc'); -var buf_f = Buffer.from('f'); -var buf_z = Buffer.from('z'); -var 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 usc2 encoding -var 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')); - -var 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( - 6, mixedByteStringUcs2.includes(Buffer.from('bc', 'ucs2'), 0, 'ucs2')); -assert( - 10, mixedByteStringUcs2.includes(Buffer.from('\u03a3', 'ucs2'), - 0, 'ucs2')); -assert( - -1, 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'); - -var 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. -var longString = 'A'; -for (var i = 66; i < 76; i++) { // from 'B' to 'K' - longString = longString + String.fromCharCode(i) + longString; -} - -var longBufferString = Buffer.from(longString); - -// pattern of 15 chars, repeated every 16 chars in long -var pattern = 'ABACABADABACABA'; -for (var i = 0; i < longBufferString.length - pattern.length; i += 7) { - var 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. -var asciiString = Buffer.from( - 'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf'); -assert(!asciiString.includes('\x2061')); -assert(asciiString.includes('leb', 0)); - -// Search in string containing many non-ASCII chars. -var allCodePoints = []; -for (var i = 0; i < 65536; i++) allCodePoints[i] = i; -var allCharsString = String.fromCharCode.apply(String, allCodePoints); -var allCharsBufferUtf8 = Buffer.from(allCharsString); -var 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. -var lengths = [1, 3, 15]; // Single char, simple and complex. -var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b]; -for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) { - for (var i = 0; i < indices.length; i++) { - var index = indices[i]; - var length = lengths[lengthIndex]; - - if (index + length > 0x7F) { - length = 2 * length; - } - - if (index + length > 0x7FF) { - length = 3 * length; - } - - if (index + length > 0xFFFF) { - length = 4 * length; - } - - var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length); - assert(index, allCharsBufferUtf8.includes(patternBufferUtf8)); - - var 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 (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) { - for (var i = 0; i < indices.length; i++) { - var index = indices[i] * 2; - var length = lengths[lengthIndex]; - - var patternBufferUcs2 = - allCharsBufferUcs2.slice(index, index + length); - assert( - index, allCharsBufferUcs2.includes(patternBufferUcs2, 0, 'ucs2')); - - var patternStringUcs2 = patternBufferUcs2.toString('ucs2'); - assert( - index, allCharsBufferUcs2.includes(patternStringUcs2, 0, 'ucs2')); - } -} - -assert.throws(function() { - b.includes(function() { }); -}); -assert.throws(function() { - b.includes({}); -}); -assert.throws(function() { - b.includes([]); -}); - -// test truncation of Number arguments to uint8 -{ - var 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)); -} - |