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import android.location.Location;
import com.mapbox.mapboxsdk.geometry.LatLng;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class LatLngTest {
private static final double DELTA = 1e-15;
@Test
public void testSanity() {
LatLng latLng = new LatLng(0.0, 0.0);
assertNotNull("latLng should not be null", latLng);
}
@Test
public void testLatitudeConstructor() {
double latitude = 1.2;
LatLng latLng = new LatLng(latitude, 3.4);
assertEquals("latitude should match", latLng.getLatitude(), latitude, DELTA);
}
@Test
public void testLongitudeConstructor() {
double longitude = 3.4;
LatLng latLng = new LatLng(1.2, longitude);
assertEquals("longitude should match", latLng.getLongitude(), longitude, DELTA);
}
@Test
public void testAltitudeConstructor() {
LatLng latLng1 = new LatLng(1.2, 3.4);
assertEquals("altitude default value", latLng1.getAltitude(), 0.0, DELTA);
double altitude = 5.6;
LatLng latLng2 = new LatLng(1.2, 3.4, altitude);
assertEquals("altitude default value", latLng2.getAltitude(), altitude, DELTA);
}
@Test
public void testDistanceTo() {
LatLng latLng1 = new LatLng(0.0, 0.0);
LatLng latLng2 = new LatLng(1.0, 1.0);
assertEquals("distances should match",
latLng1.distanceTo(latLng2),
157425.53710839353, DELTA);
}
@Test
public void testDistanceToSamePoint() {
LatLng latLng1 = new LatLng(40.71199035644531, -74.0081);
LatLng latLng2 = new LatLng(40.71199035644531, -74.0081);
double distance = latLng1.distanceTo(latLng2);
assertEquals("distance should match", 0.0, distance, DELTA);
}
/*
* A sample test where Mockito is necessary
*/
@Test
public void testLocationProvider() {
double latitude = 1.2;
double longitude = 3.4;
double altitude = 5.6;
// Mock the location class
Location locationMocked = mock(Location.class);
when(locationMocked.getLatitude()).thenReturn(latitude);
when(locationMocked.getLongitude()).thenReturn(longitude);
when(locationMocked.getAltitude()).thenReturn(altitude);
// Test the constructor
LatLng latLng = new LatLng(locationMocked);
assertEquals("latitude should match", latLng.getLatitude(), latitude, DELTA);
assertEquals("longitude should match", latLng.getLongitude(), longitude, DELTA);
assertEquals("altitude should match", latLng.getAltitude(), altitude, DELTA);
}
@Test
public void testHashCode() {
double latitude = 1.2;
double longitude = 3.4;
double altitude = 5.6;
LatLng latLng = new LatLng(latitude, longitude, altitude);
assertEquals("hash code should match", latLng.hashCode(), -151519232);
}
@Test
public void testToString() {
double latitude = 1.2;
double longitude = 3.4;
double altitude = 5.6;
LatLng latLng = new LatLng(latitude, longitude, altitude);
assertEquals("string should match",
latLng.toString(),
"LatLng [longitude=3.4, latitude=1.2, altitude=5.6]");
}
}
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