content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionActivityTest.java

/*
* Copyright 2014 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 com.example.android.directoryselection;

import android.test.ActivityInstrumentationTestCase2;

/**
 * Tests for {@link DirectorySelectionActivity}.
 */
public class DirectorySelectionActivityTest
        extends ActivityInstrumentationTestCase2<DirectorySelectionActivity> {

    private DirectorySelectionActivity mTestActivity;
    private DirectorySelectionFragment mTestFragment;

    public DirectorySelectionActivityTest() {
        super(DirectorySelectionActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        // Starts the activity under test using the default Intent with:
        // action = {@link Intent#ACTION_MAIN}
        // flags = {@link Intent#FLAG_ACTIVITY_NEW_TASK}
        // All other fields are null or empty.
        mTestActivity = getActivity();
        mTestFragment = (DirectorySelectionFragment)
                mTestActivity.getSupportFragmentManager().getFragments().get(0);
    }

    /**
     * Test if the test fixture has been set up correctly.
     */
    public void testPreconditions() {
        //Try to add a message to add context to your assertions. These messages will be shown if
        //a tests fails and make it easy to understand why a test failed
        assertNotNull("mTestActivity is null", mTestActivity);
        assertNotNull("mTestFragment is null", mTestFragment);
    }
}