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package cgeo.geocaching.connector.gc;
import static org.assertj.core.api.Assertions.assertThat;
import cgeo.geocaching.geopoint.Geopoint;
import cgeo.geocaching.geopoint.Viewport;
import java.util.Set;
import junit.framework.TestCase;
public class AutoZoomTest extends TestCase {
public static void testZoom1() {
final Geopoint bottomLeft = new Geopoint(49.3, 8.3);
final Geopoint topRight = new Geopoint(49.4, 8.4);
int zoom = Tile.calcZoomLat(bottomLeft, topRight, 2);
assertThat(Math.abs(new Tile(bottomLeft, zoom).getY() - new Tile(topRight, zoom).getY()) == 1).isTrue();
assertThat(Math.abs(new Tile(bottomLeft, zoom + 1).getY() - new Tile(topRight, zoom + 1).getY()) > 1).isTrue();
zoom = Tile.calcZoomLon(bottomLeft, topRight, 2);
assertThat(new Tile(bottomLeft, zoom).getX() + 1 == new Tile(topRight, zoom).getX()).isTrue();
assertThat(new Tile(bottomLeft, zoom + 1).getX() + 1 < new Tile(topRight, zoom + 1).getX()).isTrue();
}
public static void testZoom2() {
final Geopoint bottomLeft = new Geopoint(49.3, 8.3);
final Geopoint topRight = new Geopoint(49.4, 8.4);
int zoom = Tile.calcZoomLat(bottomLeft, topRight, 3);
assertThat(Math.abs(new Tile(bottomLeft, zoom).getY() - new Tile(topRight, zoom).getY()) >= 2).isTrue();
assertThat(Math.abs(new Tile(bottomLeft, zoom + 1).getY() - new Tile(topRight, zoom + 1).getY()) > 2).isTrue();
zoom = Tile.calcZoomLon(bottomLeft, topRight, 3);
assertThat(Math.abs(new Tile(bottomLeft, zoom).getX() - new Tile(topRight, zoom).getX()) >= 2).isTrue();
assertThat(Math.abs(new Tile(bottomLeft, zoom + 1).getX() - new Tile(topRight, zoom + 1).getX()) > 2).isTrue();
}
public static void testTiles1x2() {
final Geopoint bottomLeft = new Geopoint(49.3, 8.3);
final Geopoint topRight = new Geopoint(49.4, 8.4);
final Set<Tile> tiles = Tile.getTilesForViewport(new Viewport(bottomLeft, topRight));
assertThat(tiles).hasSize(2);
}
public static void testTiles2x3() {
final Geopoint bottomLeft = new Geopoint(49.3, 8.3);
final Geopoint topRight = new Geopoint(49.4, 8.4);
final Set<Tile> tiles = Tile.getTilesForViewport(new Viewport(bottomLeft, topRight), 3, Tile.ZOOMLEVEL_MIN);
assertThat(tiles).hasSize(6);
}
public static void testTilesZoom13() {
final Geopoint bottomLeft = new Geopoint(49.3, 8.3);
final Geopoint topRight = new Geopoint(49.4, 8.4);
final Set<Tile> tiles = Tile.getTilesForViewport(new Viewport(bottomLeft, topRight), 3, 13);
assertThat(tiles).hasSize(16);
}
}
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