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package orb
import (
"testing"
)
func TestMultiPointBound(t *testing.T) {
mp := MultiPoint{{0.5, .2}, {-1, 0}, {1, 10}, {1, 8}}
expected := Bound{Min: Point{-1, 0}, Max: Point{1, 10}}
if b := mp.Bound(); !b.Equal(expected) {
t.Errorf("incorrect bound, %v != %v", b, expected)
}
mp = MultiPoint{}
if b := mp.Bound(); !b.IsEmpty() {
t.Errorf("expect empty multi point to have empty bounds: %v", b)
}
}
func TestMultiPointEquals(t *testing.T) {
p1 := MultiPoint{{0.5, .2}, {-1, 0}, {1, 10}}
p2 := MultiPoint{{0.5, .2}, {-1, 0}, {1, 10}}
if !p1.Equal(p2) {
t.Error("should be equal")
}
p2[1] = Point{1, 0}
if p1.Equal(p2) {
t.Error("should not be equal")
}
p1[1] = Point{1, 0}
p1 = append(p1, Point{0, 0})
if p2.Equal(p1) {
t.Error("should not be equal")
}
}
func TestMultiPointClone(t *testing.T) {
p1 := MultiPoint{{0, 0}, {0.5, .2}, {1, 0}}
p2 := p1.Clone()
p2 = append(p2, Point{0, 0})
if len(p1) == len(p2) {
t.Errorf("clone length %d == %d", len(p1), len(p2))
}
if p2.Equal(p1) {
t.Error("clone should be equal")
}
}
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