blob: c342816070b8bc23cc5950ca59eaa809429ef8ee [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:path/path.dart' as p;
/// Some hopefully real-world representative platform-independent paths.
const genericPaths = [
'.',
'..',
'out/ReleaseIA32/packages',
'lib',
'lib/src/',
'lib/src/style/url.dart',
'test/./not/.././normalized',
'benchmark/really/long/path/with/many/components.dart',
];
/// Some platform-specific paths.
final platformPaths = {
p.Style.posix: [
'/',
'/home/user/dart/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart',
],
p.Style.url: [
'https://example.server.org/443643002/path?top=yes#fragment',
],
p.Style.windows: [
r'C:\User\me\',
r'\\server\share\my\folders\some\file.data',
],
};
/// The command line arguments passed to this script.
List<String> arguments;
void main(List<String> args) {
arguments = args;
for (var style in [p.Style.posix, p.Style.url, p.Style.windows]) {
var context = p.Context(style: style);
var files = genericPaths.toList()..addAll(platformPaths[style]);
benchmark(String name, Function function) {
runBenchmark("${style.name}-$name", 100000, () {
for (var file in files) {
function(file);
}
});
}
benchmarkPairs(String name, Function function) {
runBenchmark("${style.name}-$name", 1000, () {
for (var file1 in files) {
for (var file2 in files) {
function(file1, file2);
}
}
});
}
benchmark('absolute', context.absolute);
benchmark('basename', context.basename);
benchmark('basenameWithoutExtension', context.basenameWithoutExtension);
benchmark('dirname', context.dirname);
benchmark('extension', context.extension);
benchmark('rootPrefix', context.rootPrefix);
benchmark('isAbsolute', context.isAbsolute);
benchmark('isRelative', context.isRelative);
benchmark('isRootRelative', context.isRootRelative);
benchmark('normalize', context.normalize);
benchmark('relative', context.relative);
benchmarkPairs('relative from', (String file, String from) {
try {
return context.relative(file, from: from);
} on p.PathException {
// Do nothing.
}
});
benchmark('toUri', context.toUri);
benchmark('prettyUri', context.prettyUri);
benchmarkPairs('isWithin', context.isWithin);
}
runBenchmark('current', 100000, () => p.current);
}
void runBenchmark(String name, int count, Function function) {
// If names are passed on the command-line, they select which benchmarks are
// run.
if (arguments.isNotEmpty && !arguments.contains(name)) return;
// Warmup.
for (var i = 0; i < 10000; i++) {
function();
}
var stopwatch = Stopwatch()..start();
for (var i = 0; i < count; i++) {
function();
}
var rate =
(count / stopwatch.elapsedMicroseconds).toStringAsFixed(5).padLeft(9);
print("${name.padLeft(32)}: $rate iter/us (${stopwatch.elapsed})");
}