/** This method performs format conversions with string constructors in degrees and dms */
public void testRandomEquals() {
for (int i = 0; i < 1000; i++) {
Geodetic3DPoint a1 = randomGeoPoint(r);
Geodetic3DPoint a2 =
new Geodetic3DPoint(a1.getLongitude(), a1.getLatitude(), a1.getElevation());
// note by making equals() work in round off errors (such as in this case) using
// Angle.equals() vs phi1=phi2 && lamb1==lamb2
// but break contract in hashCode such that a.equals(b) -> true but hashCode(a) may not equal
// hashCode(b)
assertEquals(a1, a2);
assertEquals(a1.hashCode(), a2.hashCode());
// for symmetric tests to work elevation must be non-zero
final double elevation = a1.getElevation();
if (elevation == 0.0 || Math.abs(elevation) < 1e-8) a1.setElevation(1234.5);
// test symmetric equals tests a.equals(b) -> b.equals(a)
Geodetic2DPoint pt2 = new Geodetic2DPoint(a1.getLongitude(), a1.getLatitude());
assertFalse(pt2.equals(a1));
assertFalse(a1.equals(pt2));
a1.setElevation(0);
assertEquals(pt2, a1); // pt2.equals(al) -> a1.equals(pt2)
assertEquals(a1, pt2);
}
}
public void testHashCode() {
assertEquals(a.hashCode(), b.hashCode());
assertTrue(
a.hashCode()
!= c
.hashCode()); // this test isn't required by equals-hashCode contract but by how the
// hashCode is computed
}
public void testEquals() {
// test equality with known geo-points
assertEquals(a, b);
assertFalse(a.equals(c));
assertFalse(a.equals(d));
assertFalse(c.equals(d));
// test equality with any possible round off errors
Geodetic3DPoint a2 =
new Geodetic3DPoint(
new Longitude(Math.toRadians(a.getLongitude().inDegrees())),
new Latitude(Math.toRadians(a.getLatitude().inDegrees())),
a.getElevation());
assertEquals(a, a2);
assertEquals(a.hashCode(), a2.hashCode());
// approximate equals test for elevations up to 3 decimal places
Geodetic3DPoint a3 =
new Geodetic3DPoint(a.getLongitude(), a.getLatitude(), a.getElevation() + 10e-6);
assertEquals(a, a3);
assertEquals(a.hashCode(), a3.hashCode());
}