public void testToString() {
Geodetic3DPoint p = TestGeoPoint.randomGeodetic3DPoint(r);
int prevLen = 0;
String base = p.toString();
String prefix = base.substring(0, base.indexOf(' ')); // e.g. "75 deg"
char letter = base.charAt(base.indexOf(')') - 1); // e.g. "S"
// System.out.println("base=" + base + " pre=" + prefix + " letter=" + letter);
for (int i = 0; i < 6; i++) {
/*
length of string should increase two digits for each fractional # of digits in lat & lon
0 (133 deg 47' 15" W, 73 deg 17' 33" S) @ 733484m
1 (133 deg 47' 14.8" W, 73 deg 17' 32.7" S) @ 733484.0m
2 (133 deg 47' 14.81" W, 73 deg 17' 32.67" S) @ 733484.00m
3 (133 deg 47' 14.806" W, 73 deg 17' 32.675" S) @ 733484.000m
4 (133 deg 47' 14.8060" W, 73 deg 17' 32.6749" S) @ 733484.0000m
5 (133 deg 47' 14.80597" W, 73 deg 17' 32.67487" S) @ 733484.00000m
...
*/
String s = p.toString(i);
System.out.println(i + " " + s);
int len = s.length();
assertTrue(len >= prevLen + 2);
// simple tests: 1) each should start with same degrees and 2) end with same hemisphere
assertTrue(s.startsWith(prefix));
assertEquals(letter, s.charAt(s.indexOf(')') - 1));
prevLen = len;
}
}
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());
}
/** 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 testNullCompare() {
Geodetic3DPoint other = null;
assertFalse(a.equals(other));
Geodetic2DPoint p2 = null;
assertFalse(a.equals(p2));
}
