Android example source code file (BaselineButtonsTest.java)

This example Android source code file (BaselineButtonsTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

activity, activityinstrumentationtestcase, android, app, application, baselinebuttonstest, currenttime, exception, imagebutton, layout, mediumtest, next, override, pause, prev, test, totaltime, ui, view, widget

The BaselineButtonsTest.java Android example source code

/*
 * Copyright (C) 2007 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.widget.layout.linear;

import android.app.Activity;
import android.test.ActivityInstrumentationTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.view.View;
import android.widget.ImageButton;

import com.android.frameworks.coretests.R;
import android.widget.layout.linear.BaselineButtons;

public class BaselineButtonsTest extends ActivityInstrumentationTestCase<BaselineButtons> {
    private View mCurrentTime;
    private View mTotalTime;
    private ImageButton mPrev;
    private ImageButton mNext;
    private ImageButton mPause;
    private View mLayout;

    public BaselineButtonsTest() {
        super("com.android.frameworks.coretests", BaselineButtons.class);
    }

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

        final Activity activity = getActivity();
        mCurrentTime = activity.findViewById(R.id.currenttime);
        mTotalTime = activity.findViewById(R.id.totaltime);
        mPrev = (ImageButton) activity.findViewById(R.id.prev);
        mNext = (ImageButton) activity.findViewById(R.id.next);
        mPause = (ImageButton) activity.findViewById(R.id.pause);
        mLayout = activity.findViewById(R.id.layout);
    }

    @MediumTest
    public void testPreconditions() {
        assertNotNull(mCurrentTime);    
        assertNotNull(mTotalTime);  
        assertNotNull(mPrev);  
        assertNotNull(mNext);  
        assertNotNull(mPause);  
        assertNotNull(mLayout);  
    }
    
    @MediumTest
    public void testLayout() {
        int pauseHeight =  Math.max(mPause.getDrawable().getIntrinsicHeight()
                + mPause.getPaddingTop() + mPause.getPaddingBottom(),
                mPause.getBackground().getMinimumHeight());
        int prevHeight = Math.max(mPrev.getDrawable().getIntrinsicHeight() + mPrev.getPaddingTop()
                + mPrev.getPaddingBottom(),
                mPrev.getBackground().getMinimumHeight());
        int nextHeight = Math.max(mNext.getDrawable().getIntrinsicHeight() + mNext.getPaddingTop()
                + mNext.getPaddingBottom(),
                mNext.getBackground().getMinimumHeight());
        assertEquals("Layout incorrect height", pauseHeight, mLayout.getHeight()); 
        assertEquals("Pause incorrect height", pauseHeight, mPause.getHeight()); 
        assertEquals("Prev incorrect height", prevHeight, mPrev.getHeight()); 
        assertEquals("Next incorrect height", nextHeight, mNext.getHeight()); 
        assertEquals("Pause wrong top", 0, mPause.getTop()); 
        assertEquals("Prev wrong top", (pauseHeight - prevHeight) / 2, mPrev.getTop());
        assertEquals("Next wrong top", (pauseHeight - nextHeight) / 2, mNext.getTop());
        assertEquals("CurrentTime wrong bottom",  pauseHeight, mCurrentTime.getBottom());
        assertEquals("TotalTime wrong bottom",  pauseHeight, mTotalTime.getBottom());
        assertTrue("CurrentTime too tall", mCurrentTime.getTop() > 0);
        assertTrue("TotalTime too tall", mTotalTime.getTop() > 0);
    }
}