Android example source code file (LocationTest.java)

This example Android source code file (LocationTest.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

android, bearing, distance, double, location, locationtest, should, smalltest, string, test, testcase

The LocationTest.java Android example source code

/*
 * Copyright (C) 2007 Google Inc.
 *
 * 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.location;

import android.test.suitebuilder.annotation.SmallTest;

import junit.framework.TestCase;

/**
 * Unit tests for android.location.Location
 */
@SmallTest
public class LocationTest extends TestCase {

    // ***** Tests for Location.convert
    public void testConvert_DegreesToDouble(){
        String testDegreesCoord = "-80.075";
        String message;
        double result;

        result = Location.convert(testDegreesCoord);
        message = "degreesToDoubleTest: Double should be -80.075, actual value is " +
                String.valueOf(result);
        assertEquals(message, -80.075, result);
    }
    
    public void testConvert_MinutesToDouble(){
        String testMinutesCoord = "-80:05.10000";
        String message;
        double result;

        result = Location.convert(testMinutesCoord);
        message = "minutesToDoubleTest: Double should be -80.085, actual value is " +
                String.valueOf(result);
        assertEquals(message, -80.085, result);
    }
    
    public void testConvert_SecondsToDouble(){
        String testSecondsCoord = "-80:04:03.00000";
        String message;
        double result;

        result = Location.convert(testSecondsCoord);
        message = "secondsToDoubleTest: Double should be -80.0675, actual value is " +
                String.valueOf(result);
        assertEquals(message, -80.0675, result);
    }
    
    public void testConvert_SecondsToDouble2(){
        String testSecondsCoord = "-80:4:3";
        String message;
        double result;

        result = Location.convert(testSecondsCoord);
        message = "secondsToDouble2Test: Double should be -80.0675, actual value is " +
                String.valueOf(result);
        assertEquals(message, -80.0675, result);
    }

    // Testing the Convert(Double, Int)
    public void testConvert_CoordinateToDegrees(){
        String message;
        String result;

        result = Location.convert(-80.075, Location.FORMAT_DEGREES);
        message = "coordinateToDegreesTest: Should return a string -80.075, but returned " + result;
        assertEquals(message, "-80.075", result);
    }
    
    public void testConvert_CoordinateToDegrees2(){
        String message;
        String result;
        result = Location.convert(-80.0, Location.FORMAT_DEGREES);
        message = "coordinateToDegrees2Test: Should return a string -80, but returned " + result;
        assertEquals(message, "-80", result);
    }
    
    public void testConvert_CoordinateToMinutes(){
        String message;
        String result;
        double input = -80.085;
        result = Location.convert(input, Location.FORMAT_MINUTES);
        message = "coordinateToMinuteTest: Should return a string -80:5.1, but returned " +
                result;
        assertEquals(message, "-80:5.1", result);
    }
    
    public void testConvert_CoordinateToMinutes2(){
        String message;
        String result;
        double input = -80;
        result = Location.convert(input, Location.FORMAT_MINUTES);
        message = "coordinateToMinute2Test: Should return a string -80:0, but returned " +
                result;
        assertEquals(message, "-80:0", result);
    }
    
    public void testConvert_CoordinateToSeconds(){
        String message;
        String result;

        result = Location.convert(-80.075, Location.FORMAT_SECONDS);
        message = "coordinateToSecondsTest: Should return a string -80:4:30, but returned " +
                result;
        assertEquals(message, "-80:4:30", result);
    }
    // **** end tests for Location.convert


    public void testBearingTo(){
        String message;
        float bearing;
        Location zeroLocation = new Location("");
        zeroLocation.setLatitude(0);
        zeroLocation.setLongitude(0);

        Location testLocation = new Location("");
        testLocation.setLatitude(1000000);
        testLocation.setLongitude(0);

        bearing = zeroLocation.bearingTo(zeroLocation);
        message = "bearingToTest: Bearing should be 0, actual value is " + String.valueOf(bearing);
        assertEquals(message, 0, bearing, 0);

        bearing = zeroLocation.bearingTo(testLocation);
        message = "bearingToTest: Bearing should be 180, actual value is " +
                String.valueOf(bearing);
        assertEquals(message, 180, bearing, 0);

        testLocation.setLatitude(0);
        testLocation.setLongitude(1000000);
        bearing = zeroLocation.bearingTo(testLocation);
        message = "bearingToTest: Bearing should be -90, actual value is " +
                String.valueOf(bearing);
        assertEquals(message, -90, bearing, 0);

        //TODO: Test a Random Middle Value
    }
    
    public void testDistanceTo() {
        String message;
        boolean result = true;
        float distance;
        Location zeroLocation = new Location("");
        zeroLocation.setLatitude(0);
        zeroLocation.setLongitude(0);

        Location testLocation = new Location("");
        testLocation.setLatitude(1000000);
        testLocation.setLongitude(0);

        distance = zeroLocation.distanceTo(zeroLocation);
        message = "distanceToTest: Distance should be 0, actual value is " +
        String.valueOf(distance);
        assertEquals(message, distance, 0, 0);

        distance = zeroLocation.distanceTo(testLocation);
        message = "distanceToTest: Distance should be 8885140, actual value is " +
        String.valueOf(distance);
        assertEquals(message, distance, 8885140.0, 1);
    }
    
    public void testAltitude() {
        String message;
        Location loc = new Location("");

        loc.setAltitude(1);
        message = "altitudeTest: set/getAltitude to 1 didn't work.";
        assertEquals(message, loc.getAltitude(), 1, 0);
        message = "altitudeTest: hasAltitude (a) didn't work.";
        assertTrue(message, loc.hasAltitude());

        loc.removeAltitude();
        message = "altitudeTest: hasAltitude (b) didn't work.";
        assertFalse(message, loc.hasAltitude());
        message = "altitudeTest: getAltitude didn't return 0 when there was no altitude.";
        assertEquals(message, loc.getAltitude(), 0, 0);
    }

    public void testSpeed() {
        String message;
        Location loc = new Location("");

        loc.setSpeed(1);
        message = "speedTest: set/getSpeed to 1 didn't work.";
        assertEquals(message, loc.getSpeed(), 1, 0);
        message = "speedTest: hasSpeed (a) didn't work.";
        assertTrue(message, loc.hasSpeed());

        loc.removeSpeed();
        message = "speedTest: hasSpeed (b) didn't work.";
        assertFalse(message, loc.hasSpeed());
        message = "speedTest: getSpeed didn't return 0 when there was no speed.";
        assertEquals(message, loc.getSpeed(), 0, 0);
    }

    public void testBearing() {
        String message;
        Location loc = new Location("");

        loc.setBearing(1);
        message = "bearingTest: set/getBearing to 1 didn't work.";
        assertEquals(message, loc.getBearing(), 1, 0);
        message = "bearingTest: hasBearing (a) didn't work.";
        assertTrue(message, loc.hasBearing());

        loc.removeBearing();
        message = "bearingTest: hasBearing (b) didn't work.";
        assertFalse(message, loc.hasBearing());
        message = "bearingTest: getBearing didn't return 0 when there was no bearing.";
        assertEquals(message, loc.getBearing(), 0, 0);
    }

}