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// Copyright 2010 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.testing.benchmark');
goog.setTestOnly('goog.testing.benchmark');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.testing.PerformanceTable');
goog.require('goog.testing.PerformanceTimer');
goog.require('goog.testing.TestCase');
/**
* Run the benchmarks.
* @private
*/
goog.testing.benchmark.run_ = function() {
// Parse the 'times' query parameter if it's set.
var times = 200;
var search = window.location.search;
var timesMatch = search.match(/(?:\?|&)times=([^?&]+)/i);
if (timesMatch) {
times = Number(timesMatch[1]);
}
var prefix = 'benchmark';
// First, get the functions.
var testSources = goog.testing.TestCase.getGlobals();
var benchmarks = {};
var names = [];
for (var i = 0; i < testSources.length; i++) {
var testSource = testSources[i];
for (var name in testSource) {
if ((new RegExp('^' + prefix)).test(name)) {
var ref;
try {
ref = testSource[name];
} catch (ex) {
// NOTE(brenneman): When running tests from a file:// URL on Firefox
// 3.5 for Windows, any reference to window.sessionStorage raises
// an "Operation is not supported" exception. Ignore any exceptions
// raised by simply accessing global properties.
ref = undefined;
}
if (goog.isFunction(ref)) {
benchmarks[name] = ref;
names.push(name);
}
}
}
}
document.body.appendChild(
goog.dom.createTextNode(
'Running ' + names.length + ' benchmarks ' + times + ' times each.'));
document.body.appendChild(goog.dom.createElement(goog.dom.TagName.BR));
names.sort();
// Build a table and timer.
var performanceTimer = new goog.testing.PerformanceTimer(times);
performanceTimer.setDiscardOutliers(true);
var performanceTable =
new goog.testing.PerformanceTable(document.body, performanceTimer, 2);
// Next, run the benchmarks.
for (var i = 0; i < names.length; i++) {
performanceTable.run(benchmarks[names[i]], names[i]);
}
};
/**
* Onload handler that runs the benchmarks.
* @param {Event} e The event object.
*/
window.onload = function(e) {
goog.testing.benchmark.run_();
};
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