gcc/testsuite/g++.dg/cpp0x/constexpr-ptrmem.C

   1 // { dg-do compile { target c++11 } }
   2
   3 struct C { // literal type
   4   int m;
   5   int n;
   6   constexpr C(int m) : m(m), n(-m) {}
   7   constexpr bool is_neg() const { return m < 0; }
   8 };
   9
  10 constexpr bool check1(const C& c, int C:: *pm) { return c.*pm < 0; } // #1
  11
  12 constexpr bool check2(const C* pc, bool (C::*pm)() const) { return
  13 (pc->*pm)(); } // #2
  14
  15 constexpr C c(-1);
  16
  17 static_assert(!check1(c, &C::n), "Error");
  18 static_assert(check1(c, &C::m), "Error");
  19
  20 static_assert(check2(&c, &C::is_neg), "Error");