&Nat{[]uint{6}} y := &Nat{[]uint{7}} x.Add(y, m) expected := &Nat{[]uint{0}} if x.Equal(expected) != 1 { t.Errorf("%+v != %+v", x, expected) } x.Add(y, m) expected = &Nat{[]uint{7}} if x.Equal(expected) != 1 { t.Errorf("%+v != %+v", x, expected) } } func TestExp(t *testing.T) { m := modulusFromBytes([]byte{13}) x := &Nat{[]uint{3}} out := &Nat{[]uint{0}} out.Exp(x, []byte{12}, m) expected := &Nat{[]uint{1}} if out.Equal(expected) != 1 { t.Errorf("%+v != %+v", out, expected) } } func TestExpShort(t *testing.T)...