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XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
/*
* Copyright (c) 2002-2021 Gargoyle Software Inc.
*
* 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
* https://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.
*/
package com.gargoylesoftware.htmlunit.javascript.host.performance;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.CHROME;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.EDGE;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.FF;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.FF78;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.IE;
import com.gargoylesoftware.htmlunit.javascript.SimpleScriptable;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxClass;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxConstructor;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxFunction;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxGetter;
import com.gargoylesoftware.htmlunit.javascript.host.event.EventTarget;
/**
* A JavaScript object for {@code Performance}.
*
* @author Ahmed Ashour
* @author Ronald Brill
*/
@JsxClass({CHROME, EDGE, FF, FF78})
@JsxClass(value = IE, extendedClass = SimpleScriptable.class)
public class Performance extends EventTarget {
private PerformanceTiming timing_;
/**
* Creates an instance.
*/
@JsxConstructor({CHROME, EDGE, FF, FF78})
public Performance() {
}
/**
* Returns the {@code navigation} property.
* @return the {@code navigation} property
*/
@JsxGetter
public PerformanceNavigation getNavigation() {
final PerformanceNavigation navigation = new PerformanceNavigation();
navigation.setParentScope(getParentScope());
navigation.setPrototype(getPrototype(navigation.getClass()));
return navigation;
}
/**
* Returns the {@code timing} property.
* @return the {@code timing} property
*/
@JsxGetter
public PerformanceTiming getTiming() {
if (timing_ == null) {
final PerformanceTiming timing = new PerformanceTiming();
timing.setParentScope(getParentScope());
timing.setPrototype(getPrototype(timing.getClass()));
timing_ = timing;
}
return timing_;
}
/**
* @return a timestamp
*/
@JsxFunction
public double now() {
return System.nanoTime() / 1_000_000d;
}
}