/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.mj.impl.rt.support;

import com.nokia.mj.impl.rt.test.UnitTestSuiteCreator;

import j2meunit.framework.Test;

import j2meunit.framework.TestCase;

import j2meunit.framework.TestMethod;

import j2meunit.framework.TestSuite;

import com.nokia.mj.impl.rt.support.JvmInternal;

/**

 * Finalizer unit tests.

 */

public class FinalizerTest extends TestCase implements UnitTestSuiteCreator

{

    // Begin j2meunit test framework setup

    public TestSuite createTestSuite(String[] args)

    {

        TestSuite suite = new TestSuite(this.getClass().getName());

        suite.addTest(new FinalizerTest("testFinalizerSingleClass", new TestMethod()

        {

            public void run(TestCase tc)

            {

                ((FinalizerTest)tc).testFinalizerSingleClass();

            }

        }));

        suite.addTest(new FinalizerTest("testFinalizerManyClassesSingleObject", new TestMethod()

        {

            public void run(TestCase tc)

            {

                ((FinalizerTest)tc).testFinalizerManyClassesSingleObject();

            }

        }));

        suite.addTest(new FinalizerTest("testFinalizerManyClasses", new TestMethod()

        {

            public void run(TestCase tc)

            {

                ((FinalizerTest)tc).testFinalizerManyClasses();

            }

        }));

        return suite;

    }

    public FinalizerTest()

    {

    }

    public FinalizerTest(String aTestName, TestMethod aTestMethod)

    {

        super(aTestName, aTestMethod);

    }

    // End j2meunit test framework setup

    protected void setUp()

    {

    }

    protected void tearDown()

    {

    }

    // Test cases

    private static class Test1 extends FinalizableBase

    {

    }

    private static class Test2 extends FinalizableBase

    {

    }

    private static class Test3 extends FinalizableBase

    {

    }

    private static class Test4 extends FinalizableBase

    {

    }

    private static class Test5 extends FinalizableBase

    {

    }

    private static class Test6 extends FinalizableBase

    {

    }

    private void testFinalizerSingleClass()

    {

        try

        {

            new Test1();

            System.gc();

            JvmInternal.runFinalization();

            StringBuffer sb = new StringBuffer();

            boolean ok = FinalizerStatistics.getNonfinalizedObjects(sb);

            assertTrue(sb.toString(), ok);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testFinalizerManyClassesSingleObject()

    {

        try

        {

            new Test1();

            new Test2();

            new Test3();

            new Test4();

            new Test5();

            new Test6();

            System.gc();

            JvmInternal.runFinalization();

            StringBuffer sb = new StringBuffer();

            boolean ok = FinalizerStatistics.getNonfinalizedObjects(sb);

            assertTrue(sb.toString(), ok);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testFinalizerManyClasses()

    {

        try

        {

            for (int i = 0; i < 10; ++i)

            {

                new Test1();

                new Test2();

                new Test3();

                new Test4();

                new Test5();

                new Test6();

            }

            System.gc();

            JvmInternal.runFinalization();

            StringBuffer sb = new StringBuffer();

            boolean ok = FinalizerStatistics.getNonfinalizedObjects(sb);

            assertTrue(sb.toString(), ok);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

}