Andreas Hocevar
113 lines
2.9 KiB
JavaScript
113 lines
2.9 KiB
JavaScript
// Copyright 2012 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview JSON performance tests.
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*/
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goog.provide('goog.jsonPerf');
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goog.require('goog.dom');
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goog.require('goog.json');
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goog.require('goog.math');
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goog.require('goog.string');
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goog.require('goog.testing.PerformanceTable');
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goog.require('goog.testing.PropertyReplacer');
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goog.require('goog.testing.jsunit');
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goog.setTestOnly('goog.jsonPerf');
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var table = new goog.testing.PerformanceTable(
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goog.dom.getElement('perfTable'));
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var stubs = new goog.testing.PropertyReplacer();
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function tearDown() {
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stubs.reset();
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}
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function testSerialize() {
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var obj = populateObject({}, 50, 4);
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table.run(function() {
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var s = JSON.stringify(obj);
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}, 'Stringify using JSON.stringify');
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table.run(function() {
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var s = goog.json.serialize(obj);
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}, 'Stringify using goog.json.serialize');
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}
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function testParse() {
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var obj = populateObject({}, 50, 4);
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var s = JSON.stringify(obj);
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table.run(function() {
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var o = JSON.parse(s);
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}, 'Parse using JSON.parse');
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table.run(function() {
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var o = goog.json.parse(s);
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}, 'Parse using goog.json.parse');
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table.run(function() {
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var o = goog.json.unsafeParse(s);
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}, 'Parse using goog.json.unsafeParse');
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}
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/**
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* @param {!Object} obj The object to add properties to.
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* @param {number} numProperties The number of properties to add.
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* @param {number} depth The depth at which to recursively add properties.
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* @return {!Object} The object given in obj (for convenience).
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*/
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function populateObject(obj, numProperties, depth) {
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if (depth == 0) {
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return randomLiteral();
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}
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// Make an object with a mix of strings, numbers, arrays, objects, booleans
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// nulls as children.
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for (var i = 0; i < numProperties; i++) {
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var bucket = goog.math.randomInt(3);
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switch (bucket) {
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case 0:
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obj[i] = randomLiteral();
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break;
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case 1:
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obj[i] = populateObject({}, numProperties, depth - 1);
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break;
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case 2:
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obj[i] = populateObject([], numProperties, depth - 1);
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break;
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}
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}
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return obj;
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}
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function randomLiteral() {
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var bucket = goog.math.randomInt(3);
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switch (bucket) {
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case 0:
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return goog.string.getRandomString();
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case 1:
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return Math.random();
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case 2:
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return Math.random() >= .5;
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}
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return null;
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}
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