js-crc32/ctest/fixtures.js

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var m = "foobar"; for(var i = 0; i != 11; ++i) m+=m;
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var bits = [
[ "foobar", -1628037227, 1 ],
[ "foo bar baz", -228401567, 1 ],
[ "foo bar baz٪", 984445192 ],
[ "foo bar baz٪☃", 140429620],
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[ "foo bar baz٪☃🍣", 1531648243],
[ m, 40270464, 1 ]
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];
if(typeof module !== "undefined") module.exports = bits;
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/* vim: set ts=2: */
if(typeof require !== 'undefined') {
var js_crc32 = require('../');
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var js_crc32_old = require('crc-32');
var buffer_crc32 = require('./buffer-crc32');
var crc32 = require('./crc32');
var node_crc = require('./node-crc');
function z1(bstr) { return js_crc32.bstr(bstr); }
function z2(bstr) { return buffer_crc32.signed(bstr); }
function z3(bstr) { return crc32(bstr); }
function z4(bstr) { return node_crc.crc32(bstr);}
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function z5(bstr) { return js_crc32_old.bstr(bstr); }
function b1(buf) { return js_crc32.buf(buf); }
function b2(buf) { return buffer_crc32.signed(buf); }
function b3(buf) { return crc32(buf); }
function b4(buf) { return node_crc.crc32(buf); }
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function b5(buf) { return js_crc32_old.buf(buf); }
function u1(str) { return js_crc32.str(str); }
function u2(str) { return buffer_crc32.signed(str); }
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function u3(str) { return js_crc32_old.str(str); }
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var ntests, len_max, do_bstr, do_buf, do_ustr;
switch(process.env.MODE) {
case "A": ntests = 100000; len_max = 256; break;
case "B": ntests = 10000; len_max = 1024; break;
case "C": ntests = 10000; len_max = 4096; break;
case "D": ntests = 1000; len_max = 16384; break;
case "E": ntests = 1000; len_max = 65536; break;
case "F": ntests = 100; len_max = 262144; break;
case "G": ntests = 100; len_max = 1048576; break;
case "H": ntests = 10; len_max = 4194304; break;
case "I": ntests = 10; len_max = 16777216; break;
default: ntests = 10000; len_max = 1024; break;
}
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if(process.argv === 2) do_bstr = do_buf = do_ustr = true;
else {
do_bstr = process.argv[2].indexOf("S") > -1;
do_buf = process.argv[2].indexOf("B") > -1;
do_ustr = process.argv[2].indexOf("U") > -1;
if(!do_bstr && !do_buf && !do_ustr) do_bstr = do_buf = do_ustr = true;
}
var btest = !!do_bstr || !!do_buf, utest = !!do_ustr;
var bstr_tests = [];
var ustr_tests = [];
var len_min = 1;
var corpus = new Array(0x0800);
for(var k = 0; k < 0x0800; ++k) corpus[k] = String.fromCharCode(k)
len_max --;
k = (Math.random()*0x800)|0;
for(var i = 0; i < ntests; ++i) {
var l = (Math.random() * (len_max - len_min))|0 + len_min;
var s = new Array(l), t = new Array(l);
if(btest) for(var j = 0; j < l; ++j) s[j] = corpus[(i+j+k)&127];
if(utest) for(var j = 0; j < l; ++j) t[j] = corpus[(i+j+k)&0x7FF];
var ss = s.join("");
bstr_tests[i] = [ss, new Buffer(ss)];
ustr_tests[i] = t.join("");
}
var assert = require('assert');
function fix(str) { return parseInt(str, 16)|0; }
if(btest) for(var j = 0; j != ntests; ++j) {
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if(do_bstr && do_buf) assert.equal(z1(bstr_tests[j][0]), b1(bstr_tests[j][1]));
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if(do_bstr) {
assert.equal(z1(bstr_tests[j][0]), z2(bstr_tests[j][0]));
assert.equal(z1(bstr_tests[j][0]), fix(z3(bstr_tests[j][0])));
assert.equal(z1(bstr_tests[j][0]), fix(z4(bstr_tests[j][0])));
assert.equal(z1(bstr_tests[j][0]), z5(bstr_tests[j][0]));
}
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if(do_buf) {
assert.equal(b1(bstr_tests[j][1]), b2(bstr_tests[j][1]));
assert.equal(b1(bstr_tests[j][1]), fix(b3(bstr_tests[j][1])));
assert.equal(b1(bstr_tests[j][1]), fix(b4(bstr_tests[j][1])));
assert.equal(b1(bstr_tests[j][1]), b5(bstr_tests[j][1]));
}
}
if(utest) for(var j = 0; j != ntests; ++j) {
assert.equal(u1(ustr_tests[j]), u2(ustr_tests[j]));
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assert.equal(u1(ustr_tests[j]), u3(ustr_tests[j]));
}
var BM = require('../perf/bm');
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if(do_bstr) {
var suite = new BM('binary string (' + len_max + ')');
suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) z1(bstr_tests[j][0]); });
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suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) z5(bstr_tests[j][0]); });
suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) z2(bstr_tests[j][0]); });
if(len_max < 4096) {
suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) z3(bstr_tests[j][0]); });
suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) z4(bstr_tests[j][0]); });
}
suite.run();
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}
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if(do_buf) {
suite = new BM('buffer (' + len_max + ')');
suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) b1(bstr_tests[j][1]); });
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suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) b5(bstr_tests[j][1]); });
suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) b2(bstr_tests[j][1]); });
if(len_max < 1024) {
suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) b3(bstr_tests[j][1]); });
suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) b4(bstr_tests[j][1]); });
}
suite.run();
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}
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if(do_ustr) {
var suite = new BM('unicode string (' + len_max + ')');
suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) u1(ustr_tests[j]); });
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suite.add('js-crc32-old', function() { for(var j = 0; j != ntests; ++j) u3(ustr_tests[j]); });
suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) u2(ustr_tests[j]); });
suite.run();
}
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}
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crc32table = [
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
];
if(typeof module !== 'undefined') module.exports = crc32table;