public void Test_S2LatLngRect_AddPoint()
{
S2LatLngRect p = S2LatLngRect.Empty;
p = p.AddPoint(S2LatLng.FromDegrees(0, 0));
Assert.True(p.IsPoint());
p = p.AddPoint(S2LatLng.FromRadians(0, -S2.M_PI_2));
Assert.False(p.IsPoint());
p = p.AddPoint(S2LatLng.FromRadians(S2.M_PI_4, -Math.PI));
p = p.AddPoint(new S2Point(0, 0, 1));
Assert.Equal(p, RectFromDegrees(0, -180, 90, 0));
}
public void Test_S2LatLngRect_EmptyAndFull()
{
// Test basic properties of empty and full rectangles.
S2LatLngRect empty = S2LatLngRect.Empty;
S2LatLngRect full = S2LatLngRect.Full;
Assert.True(empty.IsValid());
Assert.True(empty.IsEmpty());
Assert.False(empty.IsPoint());
Assert.True(full.IsValid());
Assert.True(full.IsFull());
Assert.False(full.IsPoint());
// Check that the default S2LatLngRect is identical to Empty().
S2LatLngRect default_empty = S2LatLngRect.Empty;
Assert.True(default_empty.IsValid());
Assert.True(default_empty.IsEmpty());
Assert.Equal(empty.Lat, default_empty.Lat);
Assert.Equal(empty.Lng, default_empty.Lng);
}
