if test.ok {
				t.Errorf("#%d SetString(%q) expected success", i, test.in)
			} else if x != nil {
				t.Errorf("#%d SetString(%q) got %p want nil", i, test.in, x)
			}
		}
	}
}

func TestRatSetStringZero(t *testing.T) {
	got, _ := new(Rat).SetString("0")
	want := new(Rat).SetInt64(0)
	if !reflect.DeepEqual(got, want) {
		t.Errorf("got %#+v, want %#+v", got, want)
	}
}