{negzero, negzero, 0},
	{negzero, 0.0, 0},
	{0.0, negzero, 0},
	{negzero, 1.0, -1},
	{negzero, -1.0, +1},
	{nilptr, nonnilptr, -1},
	{nonnilptr, nilptr, 1},
	{nonnilptr, nonnilptr, 0},
}

func TestLess(t *testing.T) {
	for _, test := range tests {
		var b bool
		switch test.x.(type) {
		case int:
			b = cmp.Less(test.x.(int), test.y.(int))
		case string:
			b = cmp.Less(test.x.(string), test.y.(string))