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package cgeo.geocaching.geopoint;
import cgeo.geocaching.ICoordinates;
import org.eclipse.jdt.annotation.NonNull;
import android.test.AndroidTestCase;
import java.util.Collections;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
public class ViewportTest extends AndroidTestCase {
final private static @NonNull
Viewport vpRef = new Viewport(new Geopoint(-1.0, -2.0), new Geopoint(3.0, 4.0));
public static void assertBounds(final Viewport vp) {
assertEquals(new Geopoint(1.0, 1.0), vp.center);
assertEquals(new Geopoint(3.0, 4.0), vp.topRight);
assertEquals(new Geopoint(-1.0, -2.0), vp.bottomLeft);
}
public static void testCreationBounds() {
assertBounds(new Viewport(new Geopoint(-1.0, -2.0), new Geopoint(3.0, 4.0)));
assertBounds(new Viewport(new Geopoint(3.0, 4.0), new Geopoint(-1.0, -2.0)));
assertBounds(new Viewport(new Geopoint(-1.0, 4.0), new Geopoint(3.0, -2.0)));
assertBounds(new Viewport(new Geopoint(3.0, -2.0), new Geopoint(-1.0, 4.0)));
}
public static void testCreationCenter() {
assertBounds(new Viewport(new Geopoint(1.0, 1.0), 4.0, 6.0));
}
public static void testCreationSeparate() {
assertBounds(vpRef);
}
public static void testMinMax() {
assertEquals(-1.0, vpRef.getLatitudeMin());
assertEquals(3.0, vpRef.getLatitudeMax());
assertEquals(-2.0, vpRef.getLongitudeMin());
assertEquals(4.0, vpRef.getLongitudeMax());
}
public static void testSpans() {
assertEquals(4.0, vpRef.getLatitudeSpan());
assertEquals(6.0, vpRef.getLongitudeSpan());
}
public static void testInViewport() {
assertFalse(vpRef.contains(new Geopoint(-2.0, -2.0)));
assertFalse(vpRef.contains(new Geopoint(4.0, 4.0)));
assertTrue(vpRef.contains(Geopoint.ZERO));
assertTrue(vpRef.contains(new Geopoint(-1.0, -2.0)));
assertTrue(vpRef.contains(new Geopoint(3.0, 4.0)));
}
public static void testSqlWhere() {
assertEquals("latitude >= -1.0 and latitude <= 3.0 and longitude >= -2.0 and longitude <= 4.0", vpRef.sqlWhere(null).toString());
assertEquals("t.latitude >= -1.0 and t.latitude <= 3.0 and t.longitude >= -2.0 and t.longitude <= 4.0", vpRef.sqlWhere("t").toString());
Locale current = null;
try {
current = Locale.getDefault();
Locale.setDefault(Locale.FRENCH);
assertEquals("1,0", String.format("%.2g", 1.0d)); // Control that we are in a locale with commma separator
assertEquals("t.latitude >= -1.0 and t.latitude <= 3.0 and t.longitude >= -2.0 and t.longitude <= 4.0", vpRef.sqlWhere("t").toString());
} finally {
Locale.setDefault(current);
}
}
public static void testEquals() {
assertEquals(vpRef, vpRef);
assertEquals(vpRef, new Viewport(vpRef.bottomLeft, vpRef.topRight));
assertFalse(vpRef.equals(new Viewport(new Geopoint(0.0, 0.0), 1.0, 1.0)));
}
public static void testResize() {
assertEquals(vpRef, vpRef.resize(1.0));
assertEquals(new Viewport(new Geopoint(-3.0, -5.0), new Geopoint(5.0, 7.0)), vpRef.resize(2.0));
assertEquals(new Viewport(new Geopoint(0.0, -0.5), new Geopoint(2.0, 2.5)), vpRef.resize(0.5));
}
public static void testIncludes() {
assertTrue(vpRef.includes(vpRef));
assertTrue(vpRef.includes(vpRef.resize(0.5)));
assertFalse(vpRef.includes(vpRef.resize(2.0)));
}
public static void testContaining() {
assertNull(Viewport.containing(Collections.singleton((ICoordinates) null)));
final Set<Geopoint> points = new HashSet<Geopoint>();
points.add(vpRef.bottomLeft);
assertEquals(new Viewport(vpRef.bottomLeft, vpRef.bottomLeft), Viewport.containing(points));
points.add(vpRef.topRight);
assertEquals(vpRef, Viewport.containing(points));
points.add(vpRef.center);
assertEquals(vpRef, Viewport.containing(points));
}
}
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