--- /dev/null
+var common = require('../common.js');
+var url = require('url');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+ type: ['one'],
+ n: [1e5],
+});
+
+function main(conf) {
+ var type = conf.type;
+ var n = conf.n | 0;
+
+ var inputs = {
+ one: ['http://example.com/', '../../../../../etc/passwd'],
+ };
+ var input = inputs[type] || [];
+
+ // Force-optimize url.resolve() so that the benchmark doesn't get
+ // disrupted by the optimizer kicking in halfway through.
+ for (var name in inputs)
+ url.resolve(inputs[name][0], inputs[name][1]);
+
+ v8.setFlagsFromString('--allow_natives_syntax');
+ eval('%OptimizeFunctionOnNextCall(url.resolve)');
+
+ bench.start();
+ for (var i = 0; i < n; i += 1)
+ url.resolve(input[0], input[1]);
+ bench.end(n);
+}
for (var i = srcPath.length; i >= 0; i--) {
last = srcPath[i];
if (last === '.') {
- srcPath.splice(i, 1);
+ spliceOne(srcPath, i);
} else if (last === '..') {
- srcPath.splice(i, 1);
+ spliceOne(srcPath, i);
up++;
} else if (up) {
- srcPath.splice(i, 1);
+ spliceOne(srcPath, i);
up--;
}
}
}
if (host) this.hostname = host;
};
+
+// About 1.5x faster than the two-arg version of Array#splice().
+function spliceOne(list, index) {
+ for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1)
+ list[i] = list[k];
+ list.pop();
+}