93 lines
3.5 KiB
JavaScript
93 lines
3.5 KiB
JavaScript
if(typeof require !== 'undefined') {
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var js_crc32 = require('../');
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var buffer_crc32 = require('./buffer-crc32');
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var crc32 = require('./crc32');
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var node_crc = require('./node-crc');
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function z1(bstr) { return js_crc32.bstr(bstr); }
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function z2(bstr) { return buffer_crc32.signed(bstr); }
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function z3(bstr) { return crc32(bstr); }
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function z4(bstr) { return node_crc.crc32(bstr);}
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function b1(buf) { return js_crc32.buf(buf); }
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function b2(buf) { return buffer_crc32.signed(buf); }
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function b3(buf) { return crc32(buf); }
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function b4(buf) { return node_crc.crc32(buf); }
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function u1(str) { return js_crc32.str(str); }
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function u2(str) { return buffer_crc32.signed(str); }
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var ntests, len_max;
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switch(process.env.MODE) {
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case "A": ntests = 100000; len_max = 256; break;
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case "B": ntests = 10000; len_max = 1024; break;
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case "C": ntests = 10000; len_max = 4096; break;
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case "D": ntests = 1000; len_max = 16384; break;
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case "E": ntests = 1000; len_max = 65536; break;
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case "F": ntests = 100; len_max = 262144; break;
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default: ntests = 10000; len_max = 1024; break;
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}
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var btest = true, utest = true;
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var bstr_tests = [];
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var ustr_tests = [];
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var len_min = 1;
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var corpus = new Array(0x0800);
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for(var k = 0; k < 0x0800; ++k) corpus[k] = String.fromCharCode(k)
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len_max --;
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k = (Math.random()*0x800)|0;
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for(var i = 0; i < ntests; ++i) {
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var l = (Math.random() * (len_max - len_min))|0 + len_min;
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var s = new Array(l), t = new Array(l);
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if(btest) for(var j = 0; j < l; ++j) s[j] = corpus[(i+j+k)&127];
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if(utest) for(var j = 0; j < l; ++j) t[j] = corpus[(i+j+k)&0x7FF];
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var ss = s.join("");
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bstr_tests[i] = [ss, new Buffer(ss)];
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ustr_tests[i] = t.join("");
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}
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var assert = require('assert');
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function fix(str) { return parseInt(str, 16)|0; }
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if(btest) for(var j = 0; j != ntests; ++j) {
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assert.equal(z1(bstr_tests[j][0]), b1(bstr_tests[j][1]));
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assert.equal(z1(bstr_tests[j][0]), z2(bstr_tests[j][0]));
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assert.equal(z1(bstr_tests[j][0]), fix(z3(bstr_tests[j][0])));
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assert.equal(z1(bstr_tests[j][0]), fix(z4(bstr_tests[j][0])));
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assert.equal(b1(bstr_tests[j][1]), b2(bstr_tests[j][1]));
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assert.equal(b1(bstr_tests[j][1]), fix(b3(bstr_tests[j][1])));
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assert.equal(b1(bstr_tests[j][1]), fix(b4(bstr_tests[j][1])));
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}
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if(utest) for(var j = 0; j != ntests; ++j) {
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assert.equal(u1(ustr_tests[j]), u2(ustr_tests[j]));
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}
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var BM = require('../perf/bm');
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var suite = new BM('binary string (' + len_max + ')');
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suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) z1(bstr_tests[j][0]); });
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suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) z2(bstr_tests[j][0]); });
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if(len_max < 4096) {
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suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) z3(bstr_tests[j][0]); });
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suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) z4(bstr_tests[j][0]); });
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}
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suite.run();
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suite = new BM('buffer (' + len_max + ')');
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suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) b1(bstr_tests[j][1]); });
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suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) b2(bstr_tests[j][1]); });
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if(len_max < 1024) {
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suite.add('crc32', function() { for(var j = 0; j != ntests; ++j) b3(bstr_tests[j][1]); });
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suite.add('node_crc', function() { for(var j = 0; j != ntests; ++j) b4(bstr_tests[j][1]); });
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}
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suite.run();
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var suite = new BM('unicode string (' + len_max + ')');
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suite.add('js-crc32', function() { for(var j = 0; j != ntests; ++j) u1(ustr_tests[j]); });
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suite.add('buffer-crc32', function() { for(var j = 0; j != ntests; ++j) u2(ustr_tests[j]); });
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suite.run();
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}
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