/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.performance.java; | |
import java.lang.reflect.Method; | |
import org.eclipse.persistence.testing.framework.*; | |
/** | |
* This test compares the performance for final, synchronized and normal method execution. | |
*/ | |
public class MethodTest extends PerformanceComparisonTestCase { | |
protected int index = 0; | |
public MethodTest() { | |
setName("MethodExecution vs SynchronizedMethod PerformanceComparisonTest"); | |
setDescription("This test compares the performance for final, synchronized and normal method execution."); | |
addSynchronizedTest(); | |
addSynchronizedBlockTest(); | |
addFinalTest(); | |
addReflectionTest(); | |
addInlinedTest(); | |
addNormalTest(); | |
addNormalTest2(); | |
addNormalTest3(); | |
addVolatileTest(); | |
} | |
/** | |
* Normal. | |
*/ | |
public void test() throws Throwable { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
/** | |
* Normal. | |
*/ | |
public void doTest() { | |
// Do something simple. | |
index = index + 10; | |
if (index > 1000) { | |
index = 0; | |
} | |
} | |
/** | |
* Synchronized. | |
*/ | |
public void addSynchronizedTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public synchronized void doTest() { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
}; | |
test.setName("SynchronizedTest"); | |
test.setAllowableDecrease(-10); | |
addTest(test); | |
} | |
/** | |
* Synchronized block. | |
*/ | |
public void addSynchronizedBlockTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public void doTest() { | |
synchronized (this) { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
} | |
}; | |
test.setName("SynchronizedBlockTest"); | |
addTest(test); | |
} | |
/** | |
* Final. | |
*/ | |
public void addFinalTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public final void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public final void doTest() { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
}; | |
test.setName("FinalTest"); | |
addTest(test); | |
} | |
/** | |
* Reflection. | |
*/ | |
public void addReflectionTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public Method method; | |
public Object[] args; | |
/** | |
* Allows any test specific setup before starting the test run. | |
*/ | |
public void startTest() { | |
if (method == null) { | |
Class[] argTypes = { }; | |
try { | |
method = getClass().getMethod("doTest", argTypes); | |
} catch (Exception ignore) { | |
throw new RuntimeException(ignore); | |
} | |
args = new Object[0]; | |
} | |
} | |
public final void test() { | |
for (int index = 0; index < 100; index++) { | |
try { | |
method.invoke(this, args); | |
} catch (Exception ignore) { | |
throw new RuntimeException(ignore); | |
} | |
} | |
} | |
public void doTest() { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
}; | |
test.setName("ReflectionTest"); | |
addTest(test); | |
} | |
/** | |
* Inlined. | |
*/ | |
public void addInlinedTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
} | |
}; | |
test.setName("InlinedTest"); | |
addTest(test); | |
} | |
/** | |
* Normal. | |
*/ | |
public void addNormalTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public void doTest() { | |
// Do something simple. | |
index = index + 10; | |
if (index > 1000) { | |
index = 0; | |
} | |
} | |
}; | |
test.setName("NormalTest"); | |
addTest(test); | |
} | |
/** | |
* Normal. | |
*/ | |
public void addNormalTest2() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
MethodTest.this.doTest(); | |
} | |
} | |
}; | |
test.setName("NormalTest2"); | |
addTest(test); | |
} | |
/** | |
* Normal. | |
*/ | |
public void addNormalTest3() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected int index2 = 0; | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public void doTest() { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
}; | |
test.setName("NormalTest3"); | |
addTest(test); | |
} | |
/** | |
* Volatile. | |
*/ | |
public void addVolatileTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
protected volatile int index2 = 0; | |
public void test() { | |
for (int index = 0; index < 100; index++) { | |
doTest(); | |
} | |
} | |
public void doTest() { | |
// Do something simple. | |
index2 = index2 + 10; | |
if (index2 > 1000) { | |
index2 = 0; | |
} | |
} | |
}; | |
test.setName("VolatileTest"); | |
addTest(test); | |
} | |
} |