/*

* 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 java.security.Permission;

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

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

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

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

import com.nokia.mj.impl.utils.Uid;

import j2meunit.framework.Test;

import j2meunit.framework.TestCase;

import j2meunit.framework.TestMethod;

import j2meunit.framework.TestSuite;

/**

 * ApplicationUtils unit tests.

 */

public class ApplicationUtilsTest extends TestCase implements UnitTestSuiteCreator

{

    // Begin j2meunit test framework setup

    public TestSuite createTestSuite(String[] args)

    {

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

        String testSelector = "0000000000000000";

        if (args.length > 1 && args[1] != null)

        {

            testSelector = args[1]  + "0000000000000000";

        }

        if (testSelector.charAt(0) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testShutdowListeners", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testShutdowListeners();

                }

            }));

        }

        if (testSelector.charAt(1) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testShutdowListeners 2", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testShutdowListeners2();

                }

            }));

        }

        if (testSelector.charAt(2) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testOtherCalls", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testOtherCalls();

                }

            }));

        }

        if (testSelector.charAt(3) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testEmptyWaiter", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testEmptyWaiter();

                }

            }));

        }

        if (testSelector.charAt(4) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testWaiter", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testWaiter();

                }

            }));

        }

        if (testSelector.charAt(5) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testWaiterNoStart", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testWaiterNoStart();

                }

            }));

        }

        if (testSelector.charAt(6) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testWaiterNotifyBeforeStart", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testWaiterNotifyBeforeStart();

                }

            }));

        }

        if (testSelector.charAt(7) != '0')

        {

            suite.addTest(new ApplicationUtilsTest("testAppUtilsNotExist", new TestMethod()

            {

                public void run(TestCase tc)

                {

                    ((ApplicationUtilsTest)tc).testAppUtilsNotExist();

                }

            }));

        }

        return suite;

    }

    public ApplicationUtilsTest()

    {

    }

    public ApplicationUtilsTest(String aTestName, TestMethod aTestMethod)

    {

        super(aTestName, aTestMethod);

    }

    // End j2meunit test framework setup

    protected void setUp()

    {

    }

    protected void tearDown()

    {

    }

    private static class ShutdownListenerImpl implements ShutdownListener

    {

        public int mShutDownCallCount = 0;

        public void shuttingDown()

        {

            mShutDownCallCount++;

        }

    }

    // Test cases

    private void testShutdowListeners()

    {

        try

        {

            final int count = 25;

            ApplicationUtils appUtils = ApplicationUtils.getInstance();

            ShutdownListenerImpl[] sls = new ShutdownListenerImpl[count];

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

            {

                sls[i] = new ShutdownListenerImpl();

                appUtils.addShutdownListener(sls[i]);

            }

            ApplicationUtilsImpl.doShutdownImpl();

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

            {

                assertTrue(i + " call count incorrect: "+ sls[i].mShutDownCallCount,

                           sls[i].mShutDownCallCount == 1);

            }

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

            {

                sls[i] = new ShutdownListenerImpl();

                appUtils.addShutdownListener(sls[i]);

            }

            appUtils.removeShutdownListener(sls[count-1]);

            ApplicationUtilsImpl.doShutdownImpl();

            for (int i = 0; i < count - 1; ++i)

            {

                assertTrue(i + " call count incorrect: "+ sls[i].mShutDownCallCount,

                           sls[i].mShutDownCallCount == 1);

            }

            assertTrue((count -1) + " call count incorrect: "+ sls[count -1].mShutDownCallCount,

                       sls[count -1].mShutDownCallCount == 0);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testShutdowListeners2()

    {

        try

        {

            ApplicationUtils appUtils = ApplicationUtils.getInstance();

            appUtils.removeShutdownListener(new ShutdownListenerImpl());

            try

            {

                appUtils.removeShutdownListener(null);

                assertTrue("No exception: ", false);

            }

            catch (NullPointerException ne)

            {

            }

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void checkCallCounts(String info, int ind)

    {

        assertTrue("ApplicationUtils." + info + " failed " + ApplicationUtilsImpl.print(),

                   ApplicationUtilsImpl.checkCalls(ind));

    }

    public class TestPermission extends Permission

    {

        public TestPermission()

        {

            super("TestPermission");

        }

        public String getActions()

        {

            return "TestPermission Actions";

        }

        public boolean equals(Object obj)

        {

            return false;

        }

        public int hashCode()

        {

            return 0;

        }

        public boolean implies(Permission permission)

        {

            return true;

        }

    }

    private void testOtherCalls()

    {

        try

        {

            ApplicationUtils appUtils = ApplicationUtils.getInstance();

            appUtils.notifyExitCmd();

            checkCallCounts("notifyExitCmd()", ApplicationUtilsImpl.NOTIFY_CALL);

            ApplicationUtilsImpl.clear();

            appUtils.uiDisposed();

            checkCallCounts("uiDisposed()", ApplicationUtilsImpl.UI_DISPOSED_CALL);

            ApplicationUtilsImpl.clear();

            appUtils.pauseApplication();

            checkCallCounts("pauseApplication()", ApplicationUtilsImpl.PAUSE_CALL);

            ApplicationUtilsImpl.clear();

            appUtils.pauseApplication();

            checkCallCounts("pauseApplication()", ApplicationUtilsImpl.PAUSE_CALL);

            ApplicationUtilsImpl.clear();

            appUtils.resumeApplication();

            checkCallCounts("resumeApplication()", ApplicationUtilsImpl.RESUME_CALL);

            ApplicationUtilsImpl.clear();

            Permission p1 = new TestPermission();

            appUtils.checkPermission(p1);

            assertTrue("ApplicationUtils.checkPermission(Permission) failed ",

                       p1 == ApplicationUtilsImpl.mPermission);

            checkCallCounts("checkPermission()", ApplicationUtilsImpl.PERMISSION_CALL1);

            Permission p2 = new TestPermission();

            Uid uid = Uid.createUid("[12345678]");

            ApplicationUtilsImpl.clear();

            appUtils.checkPermission(uid, p2);

            checkCallCounts("checkPermission2()", ApplicationUtilsImpl.PERMISSION_CALL2);

            assertTrue("ApplicationUtils.checkPermission(Permission2) failed ",

                       p2 == ApplicationUtilsImpl.mPermission);

            assertTrue("ApplicationUtils.checkPermission(Uid) failed ",

                       uid.equals(ApplicationUtilsImpl.mUid));

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private static class TestWaiter extends Thread

    {

        private static TestWaiter[] mTestWaiters;

        private boolean mWasReleased = false;

        private Boolean mCanContinue = null;

        private static void createWaiters(int count)

        {

            mTestWaiters = new TestWaiter[count];

            for (int i = 0; i < mTestWaiters.length; ++i)

            {

                mTestWaiters[i] = new TestWaiter();

                mTestWaiters[i].start();

            }

        }

        private static boolean check(boolean canContinue)

        {

            for (int i = 0; i < mTestWaiters.length; ++i)

            {

                if (!mTestWaiters[i].mWasReleased)

                {

                    System.err.println("ID " + i + ": " + mTestWaiters[i].toString());

                    return false;

                }

                if (mTestWaiters[i].mCanContinue == null ||

                        mTestWaiters[i].mCanContinue.booleanValue() != canContinue)

                {

                    System.err.println("ID " + i + ": " + mTestWaiters[i].toString());

                    return false;

                }

            }

            return true;

        }

        private static boolean checkWaiting(boolean isWaiting)

        {

            for (int i = 0; i < mTestWaiters.length; ++i)

            {

                if (mTestWaiters[i].mWasReleased == isWaiting)

                {

                    System.err.println("ID " + i + ": " + mTestWaiters[i].toString());

                    return false;

                }

            }

            return true;

        }

        public String toString()

        {

            StringBuffer sb = new StringBuffer();

            sb.append("State: \n");

            sb.append("  mWasReleased " + mWasReleased);

            sb.append("\n  mCanContinue " + mCanContinue);

            return sb.toString();

        }

        public void run()

        {

            boolean canContinue = ApplicationUtils.getInstance().waitStart();

            mCanContinue = new Boolean(canContinue);

            mWasReleased = true;

        }

    }

    private void testEmptyWaiter()

    {

        try

        {

            ApplicationUtilsImpl.releaseWaiterImpl(true);

            ApplicationUtilsImpl.releaseWaiterImpl(false);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testWaiter()

    {

        try

        {

            TestWaiter.createWaiters(5);

            Thread.sleep(100);

            assertTrue("releaseWaiterImpl(true) not waiting.", TestWaiter.checkWaiting(true));

            ApplicationUtilsImpl.releaseWaiterImpl(true);

            Thread.sleep(100);

            assertTrue("releaseWaiterImpl(true) failed.", TestWaiter.check(true));

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testWaiterNoStart()

    {

        try

        {

            TestWaiter.createWaiters(5);

            Thread.sleep(100);

            assertTrue("releaseWaiterImpl(true) not waiting.", TestWaiter.checkWaiting(true));

            ApplicationUtilsImpl.releaseWaiterImpl(false);

            Thread.sleep(100);

            assertTrue("releaseWaiterImpl(true) failed.", TestWaiter.check(false));

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testWaiterNotifyBeforeStart()

    {

        try

        {

            ApplicationUtilsImpl.releaseWaiterImpl(true);

            TestWaiter.createWaiters(5);

            Thread.sleep(100);

            assertTrue("releaseWaiterImpl(true) not waiting.", TestWaiter.checkWaiting(false));

            assertTrue("releaseWaiterImpl(true) failed.", TestWaiter.check(true));

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

    private void testAppUtilsNotExist()

    {

        try

        {

            ApplicationUtilsImpl.releaseWaiterImpl(true);

            assertTrue("No exception.", false);

        }

        catch (Error re)

        {

            int ind = re.toString().indexOf("Not able to instantiate class com.nokia.mj.impl.rt.test2.ApplicationUtilsImpl");

            boolean ok = ind >= 0;

            if (!ok)

            {

                // Accept also java.lang.ExceptionInInitializerError.

                ok = re.toString().equals("java.lang.ExceptionInInitializerError");

            }

            assertTrue(re.toString(),  ok);

        }

        catch (Throwable t)

        {

            t.printStackTrace();

            assertTrue(t.toString(), false);

        }

    }

}