rect/triangle_test.go

26 lines
532 B
Go

package rect
import "testing"
func TestSizeTriangle(t *testing.T) {
var sizeTriangleTests = []struct {
pts []Point
expected float64
}{
{[]Point{{-2, 3}, {-3, -1}, {3, -2}}, 12.5},
{[]Point{{0, 0}, {1, 1}, {0, 1}}, 0.5},
{[]Point{{10, 14}, {20, 15}, {12, 52}}, 189},
}
for _, rt := range sizeTriangleTests {
actual := sizeTriangle(rt.pts[0], rt.pts[1], rt.pts[2])
if actual != rt.expected {
t.Errorf(
"failed sizeTriangle:\n\texpected: %f\n\t actual: %f",
rt.expected,
actual,
)
}
}
}