t.Errorf("5) got %s want %s", x, q)
	}
}

func TestIssue3521(t *testing.T) {
	a := new(Int)
	b := new(Int)
	a.SetString("64375784358435883458348587", 0)
	b.SetString("4789759874531", 0)

	// 0) a raw zero value has 1 as denominator
	zero := new(Rat)
	one := NewInt(1)
	if zero.Denom().Cmp(one) != 0 {
		t.Errorf("0) got %s want %s", zero.Denom(), one)
	}