private void checkMovingInCircle(double latitude, double longitude) {
GeoHash start;
GeoHash end;
start = GeoHash.withCharacterPrecision(latitude, longitude, 12);
end = start.getEasternNeighbour();
end = end.getSouthernNeighbour();
end = end.getWesternNeighbour();
end = end.getNorthernNeighbour();
assertEquals(start, end);
assertEquals(start.getBoundingBox(), end.getBoundingBox());
}
@Test
public void testDecode() {
// for all lat/lon pairs check decoded point is in the same bbox as the
// geohash formed by encoder
for (GeoHash gh : RandomGeohashes.fullRange()) {
BoundingBox bbox = gh.getBoundingBox();
GeoHash decodedHash = GeoHash.fromGeohashString(gh.toBase32());
WGS84Point decodedCenter = decodedHash.getBoundingBoxCenterPoint();
assertTrue(
"bbox " + bbox + " should contain the decoded center value " + decodedCenter,
bbox.contains(decodedCenter));
BoundingBox decodedBoundingBox = decodedHash.getBoundingBox();
assertEquals(bbox, decodedBoundingBox);
assertEquals(gh, decodedHash);
assertEquals(gh.toBase32(), decodedHash.toBase32());
}
}
@Test
public void testThatAdjacentHashesHavePointInitialized() {
String center = "dqcjqc";
GeoHash geohash = GeoHash.fromGeohashString(center);
GeoHash[] adjacentHashes = geohash.getAdjacent();
for (GeoHash adjacentHash : adjacentHashes) {
assertNotNull(adjacentHash.getBoundingBox());
assertNotNull(adjacentHash.getBoundingBoxCenterPoint());
assertNotNull(adjacentHash.getPoint());
}
}
private void printBoundingBox(GeoHash hash) {
System.out.println("Bounding Box: \ncenter =" + hash.getBoundingBoxCenterPoint());
System.out.print("corners=");
System.out.println(hash.getBoundingBox());
}