first commit

build/node_modules/base62/benchmark/benchmarks.js

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+"use strict";
+
+var base62 = require('../'),
+    now = 0,
+    deltaTime = 0,
+    i = 0,
+    intResult = 0,
+    strResult = 0;
+
+function performanceNow(){
+    var t = process.hrtime();
+
+    return t[0] * 1000 + t[1] / 1000000;
+}
+
+//decode with default charset
+
+now = performanceNow();
+
+for (intResult = 0, i = 0; i < 1000000; i++) {
+    intResult += base62.decode('00thing');
+}
+
+deltaTime = performanceNow() - now;
+
+console.log('|', 'decoding with default charset (1000000x)', '|', intResult === 432635954000000 ? 'correct' : 'incorrect', '|', deltaTime.toFixed(2), 'ms', '|');
+
+//encode with default charset
+
+now = performanceNow();
+
+for (strResult = '', i = 0; i < 1000000; i++) {
+    strResult = base62.encode(i);
+}
+
+deltaTime = performanceNow() - now;
+
+console.log('|', 'encoding with default charset (1000000x)', '|', strResult === '4c91' ? 'correct' : 'incorrect', '|', deltaTime.toFixed(2), 'ms', '|');
+
+//decode with custom charset
+
+base62.setCharacterSet('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz');
+
+now = performanceNow();
+
+for (intResult = 0, i = 0; i < 1000000; i++) {
+    intResult += base62.decode('00thing');
+}
+
+deltaTime = performanceNow() - now;
+
+console.log('|', 'decoding with custom charset (1000000x)', '|', intResult === 823118800000000 ? 'correct' : 'incorrect', '|', deltaTime.toFixed(2), 'ms', '|');
+
+//encode with custom charset
+
+now = performanceNow();
+
+for (strResult = '', i = 0; i < 1000000; i++) {
+    strResult = base62.encode(i);
+}
+
+deltaTime = performanceNow() - now;
+
+console.log('|', 'encoding with custom charset (1000000x)', '|', strResult === '4C91' ? 'correct' : 'incorrect', '|', deltaTime.toFixed(2), 'ms', '|');