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);
}
