t.Errorf("Stable wasn't stable on %d ints", n)
	}
}

type S struct {
	a int
	b string
}

func cmpS(s1, s2 S) int {
	return cmp.Compare(s1.a, s2.a)
}

func TestMinMax(t *testing.T) {
	intCmp := func(a, b int) int { return a - b }

	tests := []struct {
		data    []int
		wantMin int
		wantMax int
	}{
		{[]int{7}, 7, 7},
		{[]int{1, 2}, 1, 2},