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)
}
}
}
func TestExpanded(t *testing.T) {
empty := Rect{FullRect().Lat, s1.EmptyInterval()}
tests := []struct {
input Rect
margin LatLng
want Rect
}{
{
rectFromDegrees(70, 150, 80, 170),
LatLngFromDegrees(20, 30),
rectFromDegrees(50, 120, 90, -160),
},
{
empty,
LatLngFromDegrees(20, 30),
empty,
},
{
FullRect(),
LatLngFromDegrees(20, 30),
FullRect(),
},
{
rectFromDegrees(-90, 170, 10, 20),
LatLngFromDegrees(30, 80),
rectFromDegrees(-90, -180, 40, 180),
},
}
for _, test := range tests {
if got, want := test.input.expanded(test.margin), test.want; !rectApproxEqual(got, want) {
t.Errorf("%v.Expanded(%v) was %v, want %v", test.input, test.margin, got, want)
}
}
}
func EmptyRect() Rect { return Rect{r1.EmptyInterval(), s1.EmptyInterval()} }