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package com.mapbox.mapboxsdk.geometry;
import android.os.Parcelable;
import com.mapbox.mapboxsdk.exceptions.InvalidLatLngBoundsException;
import com.mapbox.mapboxsdk.utils.MockParcel;
import org.junit.Before;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class LatLngBoundsTest {
private static final double DELTA = 1e-15;
private LatLngBounds latLngBounds;
private static final LatLng LAT_LNG_NULL_ISLAND = new LatLng(0, 0);
private static final LatLng LAT_LNG_NOT_NULL_ISLAND = new LatLng(2, 2);
@Before
public void beforeTest() {
latLngBounds = new LatLngBounds.Builder()
.include(LAT_LNG_NULL_ISLAND)
.include(LAT_LNG_NOT_NULL_ISLAND)
.build();
}
@Test
public void testSanity() {
LatLngBounds.Builder latLngBoundsBuilder = new LatLngBounds.Builder();
latLngBoundsBuilder.include(LAT_LNG_NULL_ISLAND).include(LAT_LNG_NOT_NULL_ISLAND);
assertNotNull("latLng should not be null", latLngBoundsBuilder.build());
}
@Test(expected = InvalidLatLngBoundsException.class)
public void testNoLatLngs() {
new LatLngBounds.Builder().build();
}
@Test(expected = InvalidLatLngBoundsException.class)
public void testOneLatLngs() {
new LatLngBounds.Builder().include(LAT_LNG_NULL_ISLAND).build();
}
@Test
public void testLatitiudeSpan() {
assertEquals("Span should be the same", 2, latLngBounds.getLatitudeSpan(), DELTA);
}
@Test
public void testLongitudeSpan() {
assertEquals("Span should be the same", 2, latLngBounds.getLongitudeSpan(), DELTA);
}
@Test
public void testCoordinateSpan() {
LatLngSpan latLngSpan = latLngBounds.getSpan();
assertEquals("LatLngSpan should be the same", new LatLngSpan(2, 2), latLngSpan);
}
@Test
public void testCenter() {
LatLng center = latLngBounds.getCenter();
assertEquals("Center should match", new LatLng(1, 1), center);
}
@Test
public void testEmptySpan() {
latLngBounds = new LatLngBounds.Builder()
.include(LAT_LNG_NOT_NULL_ISLAND)
.include(LAT_LNG_NOT_NULL_ISLAND)
.build();
assertTrue("Should be empty", latLngBounds.isEmptySpan());
}
@Test
public void testNotEmptySpan() {
latLngBounds = new LatLngBounds.Builder()
.include(LAT_LNG_NOT_NULL_ISLAND)
.include(LAT_LNG_NULL_ISLAND)
.build();
assertFalse("Should not be empty", latLngBounds.isEmptySpan());
}
@Test
public void testToLatLngs() {
latLngBounds = new LatLngBounds.Builder()
.include(LAT_LNG_NOT_NULL_ISLAND)
.include(LAT_LNG_NULL_ISLAND)
.build();
assertArrayEquals("LatLngs should match",
new LatLng[] {LAT_LNG_NOT_NULL_ISLAND, LAT_LNG_NULL_ISLAND},
latLngBounds.toLatLngs());
}
@Test
public void testIncluding() {
assertTrue("LatLng should be included", latLngBounds.contains(new LatLng(1, 1)));
}
@Test
public void testIncludes() {
List<LatLng> points = new ArrayList<>();
points.add(LAT_LNG_NULL_ISLAND);
points.add(LAT_LNG_NOT_NULL_ISLAND);
LatLngBounds latLngBounds1 = new LatLngBounds.Builder()
.includes(points)
.build();
LatLngBounds latLngBounds2 = new LatLngBounds.Builder()
.include(LAT_LNG_NULL_ISLAND)
.include(LAT_LNG_NOT_NULL_ISLAND)
.build();
assertEquals("LatLngBounds should match", latLngBounds1, latLngBounds2);
}
@Test
public void testNoIncluding() {
assertFalse("LatLng should not be included", latLngBounds.contains(new LatLng(3, 1)));
}
@Test
public void testHashCode() {
assertEquals(2147483647, latLngBounds.hashCode(), -1946419200);
}
@Test
public void testEquality() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(LAT_LNG_NULL_ISLAND)
.include(LAT_LNG_NOT_NULL_ISLAND)
.build();
assertEquals("equality should match", this.latLngBounds, latLngBounds);
assertEquals("not equal to a different object type", this.latLngBounds.equals(LAT_LNG_NOT_NULL_ISLAND), false);
}
@Test
public void testToString() {
assertEquals(latLngBounds.toString(), "N:2.0; E:2.0; S:0.0; W:0.0");
}
@Test
public void testIntersect() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(1, 1))
.include(LAT_LNG_NULL_ISLAND)
.build();
assertEquals("intersect should match", latLngBounds, latLngBounds.intersect(this.latLngBounds.getLatNorth(),
this.latLngBounds.getLonEast(), this.latLngBounds.getLatSouth(), this.latLngBounds.getLonWest()));
}
@Test
public void testNoIntersect() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(10, 10))
.include(new LatLng(9, 8))
.build();
assertNull(latLngBounds.intersect(this.latLngBounds));
}
@Test
public void testInnerUnion() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(1, 1))
.include(LAT_LNG_NULL_ISLAND)
.build();
assertEquals("union should match", latLngBounds, latLngBounds.intersect(this.latLngBounds));
}
@Test
public void testOuterUnion() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(10, 10))
.include(new LatLng(9, 8))
.build();
assertEquals("outer union should match",
latLngBounds.union(this.latLngBounds),
new LatLngBounds.Builder()
.include(new LatLng(10, 10))
.include(LAT_LNG_NULL_ISLAND)
.build());
}
@Test
public void testParcelable() {
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(10, 10))
.include(new LatLng(9, 8))
.build();
Parcelable parcel = MockParcel.obtain(latLngBounds);
assertEquals("Parcel should match original object", parcel, latLngBounds);
}
}
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