1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
|
// ensure that passing pre/post do not affect constexpr functions
// ensure that failing pre/post generate an error at runtime in constexpr funcs
// { dg-do run }
// { dg-options "-std=c++20 -fcontracts -fcontract-continuation-mode=on" }
constexpr int wfun(int a)
[[ pre: a > 0 ]]
[[ post r: r > 0 ]]
{
return a;
}
constexpr int ffun(int a)
[[ pre: a > 0 ]]
[[ post r: r > 0 ]]
{
return a;
}
template<typename T>
constexpr int tfun(T a)
[[ pre: a > 0 ]]
[[ post r: r > 0 ]]
{
return a;
}
template<typename T>
constexpr int wtfun(T a)
[[ pre: a > 0 ]]
[[ post r: r > 0 ]]
{
return a;
}
template<typename T>
constexpr int ftfun(T a)
[[ pre: a > 0 ]]
[[ post r: r > 0 ]]
{
return a;
}
constexpr int explicitfn(int a)
[[ pre ignore: a > 0 ]]
[[ pre check_maybe_continue: a > 0 ]]
[[ post ignore r: r > 0 ]]
[[ post check_maybe_continue r: r > 0 ]]
{
return a;
}
int main(int, char **) {
constexpr int a = wfun(10);
int b = ffun(-10);
constexpr int c = wtfun(10);
int d = ftfun(-10);
int e = explicitfn(-10);
int z = ftfun(-10.0);
return 0;
}
// { dg-output "contract violation in function ffun at .*.C:14: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function ffun at .*.C:15: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function ftfun<int> at .*.C:38: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function ftfun<int> at .*.C:39: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function explicitfn at .*.C:46: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function explicitfn at .*.C:48: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function ftfun<double> at .*.C:38: .*(\n|\r\n|\r)" }
// { dg-output "contract violation in function ftfun<double> at .*.C:39: .*(\n|\r\n|\r)" }
|