+++ /dev/null
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.lucene.spatial.geohash;
-
-import org.apache.lucene.util.LuceneTestCase;
-import org.junit.Test;
-
-/**
- * Tests for {@link GeoHashUtils}
- */
-public class TestGeoHashUtils extends LuceneTestCase {
-
- /**
- * Pass condition: lat=42.6, lng=-5.6 should be encoded as "ezs42e44yx96",
- * lat=57.64911 lng=10.40744 should be encoded as "u4pruydqqvj8"
- */
- @Test
- public void testEncode() {
- String hash = GeoHashUtils.encode(42.6, -5.6);
- assertEquals("ezs42e44yx96", hash);
-
- hash = GeoHashUtils.encode(57.64911, 10.40744);
- assertEquals("u4pruydqqvj8", hash);
- }
-
- /**
- * Pass condition: lat=52.3738007, lng=4.8909347 should be encoded and then
- * decoded within 0.00001 of the original value
- */
- @Test
- public void testDecodePreciseLongitudeLatitude() {
- String hash = GeoHashUtils.encode(52.3738007, 4.8909347);
-
- double[] latitudeLongitude = GeoHashUtils.decode(hash);
-
- assertEquals(52.3738007, latitudeLongitude[0], 0.00001D);
- assertEquals(4.8909347, latitudeLongitude[1], 0.00001D);
- }
-
- /**
- * Pass condition: lat=84.6, lng=10.5 should be encoded and then decoded
- * within 0.00001 of the original value
- */
- @Test
- public void testDecodeImpreciseLongitudeLatitude() {
- String hash = GeoHashUtils.encode(84.6, 10.5);
-
- double[] latitudeLongitude = GeoHashUtils.decode(hash);
-
- assertEquals(84.6, latitudeLongitude[0], 0.00001D);
- assertEquals(10.5, latitudeLongitude[1], 0.00001D);
- }
-
- /*
- * see https://issues.apache.org/jira/browse/LUCENE-1815 for details
- */
- @Test
- public void testDecodeEncode() {
- String geoHash = "u173zq37x014";
- assertEquals(geoHash, GeoHashUtils.encode(52.3738007, 4.8909347));
- double[] decode = GeoHashUtils.decode(geoHash);
- assertEquals(52.37380061d, decode[0], 0.000001d);
- assertEquals(4.8909343d, decode[1], 0.000001d);
-
- assertEquals(geoHash, GeoHashUtils.encode(decode[0], decode[1]));
-
- geoHash = "u173";
- decode = GeoHashUtils.decode("u173");
- geoHash = GeoHashUtils.encode(decode[0], decode[1]);
- assertEquals(decode[0], GeoHashUtils.decode(geoHash)[0], 0.000001d);
- assertEquals(decode[1], GeoHashUtils.decode(geoHash)[1], 0.000001d);
- }
-}