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package cgeo.geocaching.geopoint;
import static org.assertj.core.api.Assertions.assertThat;
import cgeo.geocaching.ICoordinates;
import org.eclipse.jdt.annotation.NonNull;
import android.annotation.SuppressLint;
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() {
assertThat(vpRef.getLatitudeMin()).isEqualTo(-1.0);
assertThat(vpRef.getLatitudeMax()).isEqualTo(3.0);
assertThat(vpRef.getLongitudeMin()).isEqualTo(-2.0);
assertThat(vpRef.getLongitudeMax()).isEqualTo(4.0);
}
public static void testSpans() {
assertThat(vpRef.getLatitudeSpan()).isEqualTo(4.0);
assertThat(vpRef.getLongitudeSpan()).isEqualTo(6.0);
}
public static void testInViewport() {
assertThat(vpRef.contains(new Geopoint(-2.0, -2.0))).isFalse();
assertThat(vpRef.contains(new Geopoint(4.0, 4.0))).isFalse();
assertThat(vpRef.contains(Geopoint.ZERO)).isTrue();
assertThat(vpRef.contains(new Geopoint(-1.0, -2.0))).isTrue();
assertThat(vpRef.contains(new Geopoint(3.0, 4.0))).isTrue();
}
@SuppressLint("DefaultLocale")
public static void testSqlWhere() {
assertThat(vpRef.sqlWhere(null).toString()).isEqualTo("latitude >= -1.0 and latitude <= 3.0 and longitude >= -2.0 and longitude <= 4.0");
assertThat(vpRef.sqlWhere("t").toString()).isEqualTo("t.latitude >= -1.0 and t.latitude <= 3.0 and t.longitude >= -2.0 and t.longitude <= 4.0");
Locale current = null;
try {
current = Locale.getDefault();
Locale.setDefault(Locale.FRENCH);
assertThat(String.format("%.2g", 1.0d)).isEqualTo("1,0"); // Control that we are in a locale with comma separator
assertThat(vpRef.sqlWhere("t").toString()).isEqualTo("t.latitude >= -1.0 and t.latitude <= 3.0 and t.longitude >= -2.0 and t.longitude <= 4.0");
} finally {
Locale.setDefault(current);
}
}
public static void testEquals() {
assertThat(vpRef).isEqualTo(vpRef);
assertEquals(vpRef, new Viewport(vpRef.bottomLeft, vpRef.topRight));
assertThat(vpRef.equals(new Viewport(new Geopoint(0.0, 0.0), 1.0, 1.0))).isFalse();
}
public static void testResize() {
assertThat(vpRef.resize(1.0)).isEqualTo(vpRef);
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() {
assertThat(vpRef.includes(vpRef)).isTrue();
assertThat(vpRef.includes(vpRef.resize(0.5))).isTrue();
assertThat(vpRef.includes(vpRef.resize(2.0))).isFalse();
}
public static void testContaining() {
assertThat(Viewport.containing(Collections.singleton((ICoordinates) null))).isNull();
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);
assertThat(Viewport.containing(points)).isEqualTo(vpRef);
points.add(vpRef.center);
assertThat(Viewport.containing(points)).isEqualTo(vpRef);
}
}
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