public void Test_S2PointRegionTest_DecodeUnitLength()
{
// Ensure that we have the right format for the next test.
Encoder encoder = new();
encoder.Ensure(1 + 3 * 8);
encoder.Put8(1); // version number
encoder.PutDouble(1.0);
encoder.PutDouble(0.0);
encoder.PutDouble(0.0);
var decoder = encoder.Decoder();
// S2PointRegion r = new S2PointRegion(new S2Point(-1, 0, 0));
var(success, _) = S2PointRegion.Decode(decoder);
Assert.True(success);
}
public void Test_S2PointRegionTest_DecodeNonUnitLength()
{
// Ensure that a decode of a non-unit length vector returns false,
// rather than S2_DCHECK fails.
Encoder encoder = new();
encoder.Ensure(1 + 3 * 8);
encoder.Put8(1); // version number
encoder.PutDouble(1.0);
encoder.PutDouble(1.0);
encoder.PutDouble(1.0);
var decoder = encoder.Decoder();
// S2PointRegion r = new(new S2Point(-1, 0, 0));
var(success, _) = S2PointRegion.Decode(decoder);
Assert.False(success);
}
public void Test_S2PointRegionTest_EncodeAndDecode()
{
S2Point p = new(0.6, 0.8, 0);
S2PointRegion r = new(p);
Encoder encoder = new();
r.Encode(encoder);
var decoder = encoder.Decoder();
// S2PointRegion decoded_r = new S2PointRegion(new S2Point(1, 0, 0));
var(_, decoded_r) = S2PointRegion.Decode(decoder);
S2Point decoded_p = decoded_r !.Value.Point;
Assert.Equal(0.6, decoded_p[0]);
Assert.Equal(0.8, decoded_p[1]);
Assert.Equal(0.0, decoded_p[2]);
}
public void Test_S2PointRegionTest_Basic()
{
S2Point p = new(1, 0, 0);
S2PointRegion r0 = new(p);
Assert.Equal(r0.Point, p);
Assert.True(r0.Contains(p));
Assert.True(r0.Contains(r0.Point));
Assert.False(r0.Contains(new S2Point(1, 0, 1)));
S2PointRegion r0_clone = (S2PointRegion)r0.CustomClone();
Assert.Equal(r0_clone.Point, r0.Point);
Assert.Equal(r0.GetCapBound(), S2Cap.FromPoint(p));
S2LatLng ll = new(p);
Assert.Equal(r0.GetRectBound(), new S2LatLngRect(ll, ll));
// The leaf cell containing a point is still much larger than the point.
S2Cell cell = new(p);
Assert.False(r0.Contains(cell));
Assert.True(r0.MayIntersect(cell));
}