clang/test/SemaCXX/trivial-constructor.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 -Wno-deprecated-builtins
   2 // expected-no-diagnostics
   3 struct T1 {
   4 };
   5 static_assert(__has_trivial_constructor(T1), "T1 has trivial constructor!");
   6
   7 struct T2 {
   8   T2();
   9 };
  10 static_assert(!__has_trivial_constructor(T2), "T2 has a user-declared constructor!");
  11
  12 struct T3 {
  13   virtual void f();
  14 };
  15 static_assert(!__has_trivial_constructor(T3), "T3 has a virtual function!");
  16
  17 struct T4 : virtual T3 {
  18 };
  19 static_assert(!__has_trivial_constructor(T4), "T4 has a virtual base class!");
  20
  21 struct T5 : T1 {
  22 };
  23 static_assert(__has_trivial_constructor(T5), "All the direct base classes of T5 have trivial constructors!");
  24
  25 struct T6 {
  26   T5 t5;
  27   T1 t1[2][2];
  28   static T2 t2;
  29 };
  30 static_assert(__has_trivial_constructor(T6), "All nonstatic data members of T6 have trivial constructors!");
  31
  32 struct T7 {
  33   T4 t4;
  34 };
  35 static_assert(!__has_trivial_constructor(T7), "t4 does not have a trivial constructor!");
  36
  37 struct T8 : T2 {
  38 };
  39 static_assert(!__has_trivial_constructor(T8), "The base class T2 does not have a trivial constructor!");