tests/tests/preference2/src/android/preference2/cts/PreferenceFragmentTest.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.preference2.cts;

import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.preference2.cts.PreferenceFragmentActivity.PrefFragment;
import android.test.ActivityInstrumentationTestCase2;

public class PreferenceFragmentTest
        extends ActivityInstrumentationTestCase2<PreferenceFragmentActivity> {

    private PreferenceFragmentActivity mActivity;

    public PreferenceFragmentTest() {
        super(PreferenceFragmentActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        mActivity = getActivity();
    }

    public void testGetPreferenceManager() {
        PrefFragment prefFragment =  (PrefFragment) mActivity.getFragmentManager().
                findFragmentByTag(PrefFragment.TAG);
        PreferenceManager prefManager = prefFragment.getPreferenceManager();
        assertNotNull(prefManager);
    }

    public void testGetPreferenceScreen() {
        PrefFragment prefsFragment = (PrefFragment) mActivity.getFragmentManager().
            findFragmentByTag(PrefFragment.TAG);
        PreferenceScreen prefScreen = prefsFragment.getPreferenceScreen();
        assertNull(prefScreen);
    }
}