rect/point_test.go

30 lines
528 B
Go

package rect
import (
"math"
"testing"
)
func TestDistance(t *testing.T) {
var distanceTest = []struct {
p []Point
expected float64
}{
{[]Point{{1, 1}, {4, 5}}, 5},
{[]Point{{-1, -1}, {2, 3}}, 5},
{[]Point{{1, 1}, {2, 2}}, math.Sqrt(2)},
{[]Point{{1, 1}, {40, 20}}, math.Sqrt(1882)},
}
for _, rt := range distanceTest {
actual := distance(rt.p[0], rt.p[1])
if actual != rt.expected {
t.Errorf(
"failed distance:\n\texpected: %f\n\t actual: %f",
rt.expected,
actual,
)
}
}
}