/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.isis.runtimes.dflt.runtime.profiler;
import junit.framework.TestCase;
import org.apache.isis.core.runtime.profiler.Profiler;
public class ProfilerTest extends TestCase {
public static void main(final String[] args) {
junit.textui.TestRunner.run(ProfilerTest.class);
}
private Profiler profiler;
@Override
public void setUp() {
Profiler.setProfilerSystem(new ProfilerTestSystem());
profiler = new Profiler("name");
}
public void testFreeMemory() {
assertEquals("20,300 bytes", Profiler.memoryLog());
}
public void testMemoryUsage() {
assertEquals(10300, profiler.getMemoryUsage());
assertEquals(20000, profiler.getMemoryUsage());
}
public void testMemoryUsageLog() {
assertEquals("10,300 bytes", profiler.memoryUsageLog());
}
public void testTiming() {
profiler.start();
profiler.stop();
assertEquals(100, profiler.getElapsedTime());
}
public void testTimingLog() {
profiler.start();
profiler.stop();
assertEquals("0.1 secs", profiler.timeLog());
}
public void testContinueWithStartAndStopPausesTiming() {
profiler.start();
profiler.stop();
profiler.start();
profiler.stop();
assertEquals(400, profiler.getElapsedTime());
}
public void testResetDuringTiming() {
profiler.start();
profiler.reset();
assertEquals(200, profiler.getElapsedTime());
}
public void testResetAfterStopResetsToZero() {
profiler.start();
profiler.stop();
profiler.reset();
assertEquals(0, profiler.getElapsedTime());
profiler.start();
profiler.stop();
assertEquals(400, profiler.getElapsedTime());
}
public void testZero() {
assertEquals(0, profiler.getElapsedTime());
}
public void testRepeatedElapseTimeAfterStopGivesSameTime() {
profiler.start();
profiler.stop();
assertEquals(100, profiler.getElapsedTime());
assertEquals(100, profiler.getElapsedTime());
assertEquals(100, profiler.getElapsedTime());
}
public void testRepeatedElapseTimeGivesLatestTime() {
profiler.start();
assertEquals(100, profiler.getElapsedTime());
assertEquals(300, profiler.getElapsedTime());
assertEquals(600, profiler.getElapsedTime());
}
}