media/ScreenCapture/Application/tests/src/com/example/android/screencapture/test/SampleTests.java

/*
 * Copyright (C) 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.screencapture.test;

import android.test.ActivityInstrumentationTestCase2;
import android.view.View;
import android.widget.Button;

import com.example.android.screencapture.MainActivity;
import com.example.android.screencapture.R;
import com.example.android.screencapture.ScreenCaptureFragment;

/**
 * Tests for ScreenCapture sample.
 */
public class SampleTests extends ActivityInstrumentationTestCase2<MainActivity> {

    private MainActivity mTestActivity;
    private ScreenCaptureFragment mTestFragment;

    public SampleTests() {
        super(MainActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        mTestActivity = getActivity();
        mTestFragment = (ScreenCaptureFragment)
                mTestActivity.getSupportFragmentManager().getFragments().get(1);
    }

    /**
     * Test if the test fixture has been set up correctly.
     */
    public void testPreconditions() {
        assertNotNull("mTestActivity is null", mTestActivity);
        assertNotNull("mTestFragment is null", mTestFragment);
    }

    public void testButtonToggle() throws Throwable {
        final View view = mTestFragment.getView();
        assertNotNull(view);
        final Button buttonToggle = (Button) view.findViewById(R.id.toggle);
        assertNotNull(buttonToggle);
    }

}