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package com.mapbox.mapboxsdk.maps;
import com.mapbox.mapboxsdk.geometry.BoundingBox;
import com.mapbox.mapboxsdk.geometry.CoordinateSpan;
import com.mapbox.mapboxsdk.geometry.LatLng;
import org.junit.Before;
import org.junit.Test;
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 BoundingBoxTest {
private BoundingBox mBoundingBox;
@Before
public void setup() {
mBoundingBox = new BoundingBox(20.0, 10.0, 0.0, 0.0);
}
@Test
public void testSanity() {
BoundingBox boundingBox = new BoundingBox(0.0, 0.0, 0.0, 0.0);
assertNotNull("boundingBox should not be null", boundingBox);
}
@Test
public void testEqualityConstructors() {
BoundingBox cornerBoundingBox = new BoundingBox(new LatLng(20.0, 10.0), new LatLng(0.0, 0.0));
BoundingBox cloneBoundingBox = new BoundingBox(mBoundingBox);
assertEquals("boundingBoxes should match", mBoundingBox, cornerBoundingBox);
assertEquals("boundingBoxes should match", mBoundingBox, cloneBoundingBox);
}
@Test
public void testValidBox() {
assertTrue(mBoundingBox.isValid());
}
@Test
public void testInvalidLatitudeSpanBox() {
mBoundingBox = new BoundingBox(0.0, 10.0, 10.0, 0.0);
assertFalse(mBoundingBox.isValid());
}
@Test
public void testInvalidLongitudeSpanBox() {
mBoundingBox = new BoundingBox(10.0, 0.0, 0.0, 20.0);
assertFalse(mBoundingBox.isValid());
}
@Test
public void testCenterCoordinate() {
LatLng center = new LatLng(10.0, 5.0);
assertEquals("boundingBox center should match", center, mBoundingBox.getCenter());
}
@Test
public void testUnionSameBox() {
assertEquals(mBoundingBox, mBoundingBox.union(mBoundingBox));
}
@Test
public void testUnionInnerBox() {
BoundingBox innerBox = new BoundingBox(2.0, 2.0, 1.0, 1.0);
assertEquals(mBoundingBox.union(innerBox), mBoundingBox);
}
@Test
public void testUnionOverlapBox() {
BoundingBox resultBox = new BoundingBox(22.0, 12.0, 0.0, 0.0);
BoundingBox overlapBox = new BoundingBox(22.0, 12.0, 1.0, 1.0);
assertEquals(resultBox, mBoundingBox.union(overlapBox));
}
@Test
public void testUnionOuterBox() {
BoundingBox resultBox = new BoundingBox(40.0, 40.0, 0.0, 0.0);
BoundingBox outerBox = new BoundingBox(40.0, 40.0, 0.0, 0.0);
assertEquals(resultBox, mBoundingBox.union(outerBox));
}
@Test
public void testIntersectSameBox() {
assertEquals(mBoundingBox, mBoundingBox.intersect(mBoundingBox));
}
@Test
public void testIntersectInnerBox() {
BoundingBox innerBox = new BoundingBox(2.0, 2.0, 1.0, 1.0);
assertEquals(innerBox, mBoundingBox.intersect(innerBox));
}
@Test
public void testIntersectOuterBox() {
BoundingBox outerBox = new BoundingBox(40.0, 40.0, 0.0, 0.0);
assertEquals(mBoundingBox, mBoundingBox.intersect(outerBox));
}
@Test
public void testIntersectOverlapBox() {
BoundingBox resultBox = new BoundingBox(20.0, 10.0, 1.0, 1.0);
BoundingBox overlapBox = new BoundingBox(22.0, 12.0, 1.0, 1.0);
assertEquals(resultBox, mBoundingBox.intersect(overlapBox));
}
@Test
public void testIntersectNoneBox() {
BoundingBox outsideBox = new BoundingBox(100.0, 100.0, 50.0, 50.0);
assertNull(mBoundingBox.intersect(outsideBox));
}
@Test
public void testContainsCoordinate() {
LatLng coordinate = new LatLng(1.0, 1.0);
assertTrue(mBoundingBox.contains(coordinate));
}
@Test
public void testContainsCoordinateOnBoundary() {
LatLng coordinate = new LatLng(20.0, 9.0);
assertFalse(mBoundingBox.contains(coordinate));
}
@Test
public void testContainsNoCoordinate() {
LatLng coordinate = new LatLng(100.0, 100.0);
assertFalse(mBoundingBox.contains(coordinate));
}
@Test
public void testSpan() {
CoordinateSpan span = new CoordinateSpan(20.0, 10.0);
assertTrue(mBoundingBox.getSpan().equals(span));
}
@Test
public void testLatitudeSpan() {
double height = 20.0;
assertTrue(mBoundingBox.getLatitudeSpan() == height);
}
@Test
public void testLongitudeSpan() {
double width = 10.0;
assertTrue(mBoundingBox.getLongitudeSpan() == width);
}
@Test
public void testEmptySpanEmptyNotEmptyBox() {
assertFalse(mBoundingBox.isEmpty());
}
@Test
public void testEmptySpanEmptyLatitude() {
mBoundingBox = new BoundingBox(1.0, 2.0, 0.0, 2.0);
assertTrue(mBoundingBox.isEmpty());
}
@Test
public void testEmptySpanEmptyLongitude() {
mBoundingBox = new BoundingBox(0.0, 3.0, 0.0, 1.0);
assertTrue(mBoundingBox.isEmpty());
}
}
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