Tests

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.
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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;

/**
 * @author Thomas Wuerthinger
 */

public class StressTest {

    public final static int COUNT = 10;

    // Version 0
    public static class A {

        public int value() {
            return 1;
        }
    }

    // Version 1
    public static class A___1 {

        public int value() {
            return 2;
        }
    }

    @Before
    public void setUp() throws Exception {
        HotSwapTool.toVersion(StressTest.class, 0);
    }

    @Test
    public void testStressSwap() {

        assert HotSwapTool.getCurrentVersion(StressTest.class) == 0;

        A a = new A();

        for (int i = 0; i < COUNT; i++) {

            assertEquals(1, a.value());

            HotSwapTool.toVersion(StressTest.class, 1);

            assertEquals(2, a.value());

            HotSwapTool.toVersion(StressTest.class, 0);
        }

        assertEquals(1, a.value());
    }
}
 

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