func TestAddPoint(t *testing.T) {
tests := []struct {
input Rect
point LatLng
want Rect
}{
{
Rect{r1.EmptyInterval(), s1.EmptyInterval()},
LatLngFromDegrees(0, 0),
rectFromDegrees(0, 0, 0, 0),
},
{
rectFromDegrees(0, 0, 0, 0),
LatLng{0 * s1.Radian, (-math.Pi / 2) * s1.Radian},
rectFromDegrees(0, -90, 0, 0),
},
{
rectFromDegrees(0, -90, 0, 0),
LatLng{(math.Pi / 4) * s1.Radian, (-math.Pi) * s1.Radian},
rectFromDegrees(0, -180, 45, 0),
},
{
rectFromDegrees(0, -180, 45, 0),
LatLng{(math.Pi / 2) * s1.Radian, 0 * s1.Radian},
rectFromDegrees(0, -180, 90, 0),
},
}
for _, test := range tests {
if got, want := test.input.AddPoint(test.point), test.want; !rectApproxEqual(got, want) {
t.Errorf("%v.AddPoint(%v) was %v, want %v", test.input, test.point, got, want)
}
}
}
// EmptyRect constructs the canonical empty rectangle. Use IsEmpty() to test
// for empty rectangles, since they have more than one representation. A Rect{}
// is not the same as the EmptyRect.
func EmptyRect() Rect {
return Rect{r1.EmptyInterval(), r1.EmptyInterval()}
}