1 files changed, 84 insertions, 0 deletions
diff --git a/tests/src/cgeo/geocaching/geopoint/GeopointTest.java b/tests/src/cgeo/geocaching/geopoint/GeopointTest.java
new file mode 100644
index 0000000..ef1955b
--- /dev/null
+++ b/tests/src/cgeo/geocaching/geopoint/GeopointTest.java
@@ -0,0 +1,84 @@
+package cgeo.geocaching.geopoint;
+
+import cgeo.geocaching.geopoint.Geopoint;
+import cgeo.geocaching.geopoint.Geopoint.GeopointException;
+
+import android.test.AndroidTestCase;
+
+import junit.framework.Assert;
+
+@SuppressWarnings("static-method")
+public class GeopointTest extends AndroidTestCase {
+
+    public void testCreation() {
+        final Geopoint gp = new Geopoint(48.2, 3.5);
+        Assert.assertEquals(48.2, gp.getLatitude(), 1e-8);
+        Assert.assertEquals(3.5, gp.getLongitude(), 1e-8);
+    }
+
+    public void testCreationAtLimit() {
+        // No exception should be raised at limits.
+        final Geopoint gp1 = new Geopoint(90.0, 10.0);
+        Assert.assertEquals(90, gp1.getLatitude(), 1e-8);
+
+        final Geopoint gp2 = new Geopoint(-90.0, 10.0);
+        Assert.assertEquals(-90, gp2.getLatitude(), 1e-8);
+
+        final Geopoint gp3 = new Geopoint(10.0, 180.0);
+        Assert.assertEquals(180, gp3.getLongitude(), 1e-8);
+
+        // 180 should be preferred to -180
+        final Geopoint gp4 = new Geopoint(10.0, -180.0);
+        Assert.assertEquals(180, gp4.getLongitude(), 1e-8);
+    }
+
+    private static void createShouldFail(final double lat, final double lon) {
+        try {
+            final Geopoint gp = new Geopoint(lat, lon);
+            Assert.fail("creation should fail: " + gp);
+        } catch (GeopointException e) {
+            // Success
+        }
+    }
+
+    public void testCreationFails() {
+        createShouldFail(90.1, 0.0);
+        createShouldFail(-90.1, 0.0);
+        createShouldFail(0.0, 180.1);
+        createShouldFail(0.0, -180.1);
+    }
+
+    public void testEqual() {
+        final Geopoint gp1 = new Geopoint(48.2, 2.31);
+        Assert.assertTrue(gp1.equals(gp1));
+        final Geopoint gp2 = new Geopoint(48.3, 2.31);
+        Assert.assertFalse(gp1.equals(gp2));
+    }
+
+    public void testCreateE6() {
+        final Geopoint gp1 = new Geopoint(48.2, 2.34);
+        final Geopoint gp2 = new Geopoint(48200000, 2340000);
+        Assert.assertTrue(gp1.isEqualTo(gp2, 1e-6));
+    }
+
+    public void testGetE6() {
+        final Geopoint gp = new Geopoint(41.2, -3.4);
+        Assert.assertEquals(41200000.0, gp.getLatitudeE6(), 1e-6);
+        Assert.assertEquals(-3400000.0, gp.getLongitudeE6(), 1e-6);
+    }
+
+    public void testBearingDistance() {
+        final Geopoint gp1 = new Geopoint(-30.4, -1.2);
+        final Geopoint gp2 = new Geopoint(-30.1, -2.3);
+
+        final float d12 = gp1.distanceTo(gp2);
+        Assert.assertEquals(110.967995, d12, 1e-6);
+        Assert.assertEquals(d12, gp2.distanceTo(gp1), 1e-6);
+
+        // Bearing in both directions cannot be added, as this is
+        // the initial bearing of the path in both cases.
+        Assert.assertEquals(287.162, gp1.bearingTo(gp2), 1e-3);
+        Assert.assertEquals(107.715, gp2.bearingTo(gp1), 1e-3);
+    }
+
+}