// { dg-do compile { target c++11 } } #include struct X { explicit operator void*() const { return nullptr; } }; void test_VERIFY(int i) { // This should not be parsed as a function type bool(bool(i)): VERIFY( bool(i) ); // This should not produce warnings about lambda in unevaluated context: VERIFY( []{ return 1; }() ); // Only one expression allowed: VERIFY(1, 2); // { dg-error "in expansion of macro" } // { dg-error "compound expression in functional cast" "" { target *-*-* } 0 } // A scoped enum is not contextually convertible to bool: enum class E { E0 }; VERIFY( E::E0 ); // { dg-error "could not convert" } // explicit conversion to void* is not contextually convertible to bool: X x; VERIFY( x ); // { dg-error "in expansion of macro" } // { dg-error "invalid cast .* to type 'bool'" "" { target *-*-* } 0 } }