test/SemaCXX/trivial-destructor.cpp

   1 // RUN: clang-cc -fsyntax-only -verify %s -std=c++0x
   2 struct T1 {
   3 };
   4 static_assert(__has_trivial_destructor(T1), "T1 has trivial destructor!");
   5
   6 struct T2 {
   7   ~T2();
   8 };
   9 static_assert(!__has_trivial_destructor(T2), "T2 has a user-declared destructor!");
  10
  11 struct T3 {
  12   virtual void f();
  13 };
  14 static_assert(__has_trivial_destructor(T3), "T3 has a virtual function (but still a trivial destructor)!");
  15
  16 struct T4 : virtual T3 {
  17 };
  18 static_assert(__has_trivial_destructor(T4), "T4 has a virtual base class! (but still a trivial destructor)!");
  19
  20 struct T5 : T1 {
  21 };
  22 static_assert(__has_trivial_destructor(T5), "All the direct base classes of T5 have trivial destructors!");
  23
  24 struct T6 {
  25   T5 t5;
  26   T1 t1[2][2];
  27   static T2 t2;
  28 };
  29 static_assert(__has_trivial_destructor(T6), "All nonstatic data members of T6 have trivial destructors!");
  30
  31 struct T7 {
  32   T2 t2;
  33 };
  34 static_assert(!__has_trivial_destructor(T7), "t2 does not have a trivial destructor!");
  35
  36 struct T8 : T2 {
  37 };
  38 static_assert(!__has_trivial_destructor(T8), "The base class T2 does not have a trivial destructor!");