21     S2LatLng llRad = S2LatLng.fromRadians(S2.M_PI_4, S2.M_PI_2);  in testBasic()
25     S2LatLng llDeg = S2LatLng.fromDegrees(45, 90);  in testBasic()
28     assertTrue(!S2LatLng.fromDegrees(-91, 0).isValid());  in testBasic()
29     assertTrue(!S2LatLng.fromDegrees(0, 181).isValid());  in testBasic()
31     S2LatLng bad = S2LatLng.fromDegrees(120, 200);  in testBasic()
33     S2LatLng better = bad.normalized();  in testBasic()
38     bad = S2LatLng.fromDegrees(-100, -360);  in testBasic()
45     assertTrue((S2LatLng.fromDegrees(10, 20).add(S2LatLng.fromDegrees(20, 30))).approxEquals(  in testBasic()
46         S2LatLng.fromDegrees(30, 50)));  in testBasic()
47     assertTrue((S2LatLng.fromDegrees(10, 20).sub(S2LatLng.fromDegrees(20, 30))).approxEquals(  in testBasic()
48         S2LatLng.fromDegrees(-10, -10)));  in testBasic()
49     assertTrue((S2LatLng.fromDegrees(10, 20).mul(0.5)).approxEquals(S2LatLng.fromDegrees(5, 10)));  in testBasic()
55         new S2LatLng(S2LatLng.fromDegrees(90.0, 65.0).toPoint()).lat().degrees(), 90.0);  in testConversion()
57         new S2LatLng(S2LatLng.fromRadians(-S2.M_PI_2, 1).toPoint()).lat().radians(), -S2.M_PI_2);  in testConversion()
59         Math.abs(new S2LatLng(S2LatLng.fromDegrees(12.2, 180.0).toPoint()).lng().degrees()), 180.0);  in testConversion()
61         Math.abs(new S2LatLng(S2LatLng.fromRadians(0.1, -S2.M_PI).toPoint()).lng().radians()),  in testConversion()
67       assertTrue(S2.approxEquals(p, new S2LatLng(p).toPoint()));  in testConversion()
71     S2LatLng test = S2LatLng.fromE5(123456, 98765);  in testConversion()
78         S2LatLng.fromDegrees(90, 0).getDistance(S2LatLng.fromDegrees(90, 0)).radians(), 0.0);  in testDistance()
80         S2LatLng.fromDegrees(-37, 25).getDistance(S2LatLng.fromDegrees(-66, -155)).degrees(), 77,  in testDistance()
83         S2LatLng.fromDegrees(0, 165).getDistance(S2LatLng.fromDegrees(0, -80)).degrees(), 115,  in testDistance()
86         S2LatLng.fromDegrees(47, -127).getDistance(S2LatLng.fromDegrees(-47, 53)).degrees(), 180,  in testDistance()