1 // { dg-do compile { target c++11 } }
2 template<int I>
3 struct accept_evens {
4   static_assert( I % 2 == 0, "I must be an even number"); // { dg-error "even number" }
5 };
6 
7 template<int I>
8 struct accept_evens_ok {
9   static_assert( I % 2 == 0, "I must be an even number");
10 };
11 
12 template<int I>
accept_odds()13 void accept_odds() {
14   static_assert( I % 2 == 1, "I must be an odd number"); // { dg-error "odd number" }
15 }
16 
17 template<int I>
accept_odds_ok()18 void accept_odds_ok() {
19   static_assert( I % 2 == 1, "I must be an odd number");
20 }
21 
f()22 void f()
23 {
24   accept_odds<1>();
25   accept_odds<2>();
26   accept_odds<3>();
27   accept_odds_ok<5>();
28   accept_odds_ok<7>();
29 }
30 
31 accept_evens<0> ok0;
32 accept_evens<1> error1;
33 accept_evens<2> ok2;
34 accept_evens_ok<4> ok4;
35 accept_evens_ok<6> ok6;
36