com.rcpcompany.uibindings.extests.manager.AbstractPreferenceStoreBooleanTest.java Source code

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Here is the source code for com.rcpcompany.uibindings.extests.manager.AbstractPreferenceStoreBooleanTest.java

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/*******************************************************************************
 * Copyright (c) 2006-2013 The RCP Company and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     The RCP Company - initial API and implementation
 *******************************************************************************/
package com.rcpcompany.uibindings.extests.manager;

import static com.rcpcompany.test.utils.BaseTestUtils.*;
import static org.junit.Assert.*;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jface.preference.IPreferenceStore;
import org.junit.Before;
import org.junit.Test;

import com.rcpcompany.uibindings.IManager;
import com.rcpcompany.uibindings.internal.Activator;
import com.rcpcompany.uibindings.tests.utils.BaseUIBTestUtils;

public abstract class AbstractPreferenceStoreBooleanTest {

    /**
     * Returns the default value for this boolean in the preference store.
     * 
     * @return the default value
     */
    public abstract boolean getDefault();

    /**
     * Returns the structural feature of this enumeration.
     * 
     * @return the feature
     */
    public abstract EStructuralFeature getFeature();

    /**
     * Returns the preference name for the enumeration
     * 
     * @return the name
     */
    public abstract String getPreferenceName();

    private final class TestAdapter extends AdapterImpl {
        public int called = 0;
        private final boolean myOldValue;
        private final boolean myNewValue;

        private TestAdapter(boolean oldValue, boolean newValue) {
            myOldValue = oldValue;
            myNewValue = newValue;
        }

        @Override
        public void notifyChanged(Notification msg) {
            if (msg.getEventType() == Notification.REMOVING_ADAPTER)
                return;
            assertEquals(Notification.SET, msg.getEventType());
            assertEquals(getFeature(), msg.getFeature());
            assertEquals(myOldValue, msg.getOldValue());
            assertEquals(myNewValue, msg.getNewValue());

            called++;
        }
    }

    private IManager m;

    @Before
    public void setup() {
        BaseUIBTestUtils.resetAll();
        m = IManager.Factory.getManager();
    }

    public void testPS2M(final boolean newValue) {
        final boolean oldValue = (Boolean) m.eGet(getFeature());
        final TestAdapter adapter = new TestAdapter(oldValue, newValue);

        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();

        assertNoLog(new Runnable() {
            @Override
            public void run() {
                m.eAdapters().add(adapter);
                ps.setValue(getPreferenceName(), newValue);
                assertEquals(oldValue + " -> " + newValue, 1, adapter.called);
                m.eAdapters().remove(adapter);

            }
        });
        assertEquals(newValue, m.eGet(getFeature()));
    }

    /**
     * Tests for {@link IManager#getE()}.
     */
    @Test
    public void testGet() {
        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();
        assertNotNull(ps);

        final boolean value = ps.getBoolean(getPreferenceName());
        assertEquals(getDefault(), value);
        assertEquals(getDefault(), m.eGet(getFeature()));

        testPS2M(!value);
        testPS2M(value);
        testPS2M(!value);
        ps.setValue(getPreferenceName(), getDefault());
    }

    public void testM2PS(final boolean newValue) {
        final boolean oldValue = (Boolean) m.eGet(getFeature());
        final TestAdapter adapter = new TestAdapter(oldValue, newValue);

        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();

        assertNoLog(new Runnable() {
            @Override
            public void run() {
                m.eAdapters().add(adapter);
                m.eSet(getFeature(), newValue);
                assertEquals(1, adapter.called);
                m.eAdapters().remove(adapter);

            }
        });
        final boolean s = ps.getBoolean(getPreferenceName());
        assertEquals(newValue, s);
        assertEquals(newValue, m.eGet(getFeature()));
    }

    /**
     * Tests of {@link IManager#setE(boolean)}.
     */
    @Test
    public void testSet() {
        final boolean value = getDefault();
        testM2PS(!value);
        testM2PS(value);
        testM2PS(!value);

        m.eSet(getFeature(), value);
    }
}