We use unit test suites to verify the correctness of our virtual machine. Here you can access the source code of the tests.
/*
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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*/
package at.ssw.hotswap.test.body;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import at.ssw.hotswap.HotSwapTool;
/**
* Stress test for the number of old activations on the stack. In the test setup 10 different versions of the method A.value will be on the stack.
*
* @author Thomas Wuerthinger
*/
public class OldActivationTest {
// Version 0
public static class A {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 1);
return 1 + this.value();
}
}
// Version 1
public static class A___1 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 2);
return 2 + this.value();
}
}
// Version 2
public static class A___2 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 3);
return 3 + this.value();
}
}
// Version 3
public static class A___3 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 4);
return 4 + this.value();
}
}
// Version 4
public static class A___4 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 5);
return 5 + this.value();
}
}
// Version 5
public static class A___5 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 6);
return 6 + this.value();
}
}
// Version 6
public static class A___6 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 7);
return 7 + this.value();
}
}
// Version 7
public static class A___7 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 8);
return 8 + this.value();
}
}
// Version 8
public static class A___8 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 9);
return 9 + this.value();
}
}
// Version 9
public static class A___9 {
public int value() {
HotSwapTool.toVersion(OldActivationTest.class, 0);
return 10;
}
}
@Before
public void setUp() throws Exception {
HotSwapTool.toVersion(OldActivationTest.class, 0);
}
@Test
public void testOldActivationTest() {
assert HotSwapTool.getCurrentVersion(OldActivationTest.class) == 0;
A a = new A();
assertEquals(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10, a.value());
assert HotSwapTool.getCurrentVersion(OldActivationTest.class) == 0;
HotSwapTool.toVersion(OldActivationTest.class, 1);
assertEquals(2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10, a.value());
assert HotSwapTool.getCurrentVersion(OldActivationTest.class) == 0;
HotSwapTool.toVersion(OldActivationTest.class, 8);
assertEquals(9 + 10, a.value());
assert HotSwapTool.getCurrentVersion(OldActivationTest.class) == 0;
HotSwapTool.toVersion(OldActivationTest.class, 4);
assertEquals(5 + 6 + 7 + 8 + 9 + 10, a.value());
assert HotSwapTool.getCurrentVersion(OldActivationTest.class) == 0;
}
}
