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LUCENE-6487: Geo3D with WGS84: fix GeoPointTest to test via distance 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene6487@1682667 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
David Wayne Smiley 2015-05-31 02:50:21 +00:00
parent e8b5e3242d
commit 64a34575d3
1 changed files with 19 additions and 9 deletions
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28
lucene/spatial/src/test/org/apache/lucene/spatial/spatial4j/geo3d/GeoPointTest.java
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@ -30,15 +30,25 @@ public class GeoPointTest extends LuceneTestCase {
@Test
public void testConversion() {
final double pLat = (randomFloat() * 180.0 - 90.0) * DistanceUtils.DEGREES_TO_RADIANS;
final double pLon = (randomFloat() * 360.0 - 180.0) * DistanceUtils.DEGREES_TO_RADIANS;
final GeoPoint p1 = new GeoPoint(PlanetModel.SPHERE, pLat, pLon);
assertEquals(pLat, p1.getLatitude(), 1e-12);
assertEquals(pLon, p1.getLongitude(), 1e-12);
final GeoPoint p2 = new GeoPoint(PlanetModel.WGS84, pLat, pLon);
assertEquals(pLat, p2.getLatitude(), 1e-12);
assertEquals(pLon, p2.getLongitude(), 1e-12);
testPointRoundTrip(PlanetModel.SPHERE, 90, 0, 1e-12);
testPointRoundTrip(PlanetModel.SPHERE, -90, 0, 1e-12);
testPointRoundTrip(PlanetModel.WGS84, 90, 0, 1e-12);
testPointRoundTrip(PlanetModel.WGS84, -90, 0, 1e-12);
final int times = atLeast(100);
for (int i = 0; i < times; i++) {
final double pLat = (randomFloat() * 180.0 - 90.0) * DistanceUtils.DEGREES_TO_RADIANS;
final double pLon = (randomFloat() * 360.0 - 180.0) * DistanceUtils.DEGREES_TO_RADIANS;
testPointRoundTrip(PlanetModel.SPHERE, pLat, pLon, 1e-6);//1e-6 since there's a square root in there (Karl says)
testPointRoundTrip(PlanetModel.WGS84, pLat, pLon, 1e-6);
}
}
protected void testPointRoundTrip(PlanetModel planetModel, double pLat, double pLon, double epsilon) {
final GeoPoint p1 = new GeoPoint(planetModel, pLat, pLon);
final GeoPoint p2 = new GeoPoint(planetModel, p1.getLatitude(), p1.getLongitude());
double dist = p1.arcDistance(p2);
assertEquals(0, dist, epsilon);
}
}