clang/test/CXX/special/class.copy/p20.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   3
   4 struct ConstCopy {
   5   ConstCopy();
   6   ConstCopy &operator=(const ConstCopy&);
   7 };
   8
   9 struct NonConstCopy {
  10   NonConstCopy();
  11   NonConstCopy &operator=(NonConstCopy&);
  12 };
  13
  14 struct VirtualInheritsNonConstCopy : virtual NonConstCopy {
  15   VirtualInheritsNonConstCopy();
  16   VirtualInheritsNonConstCopy &operator=(const VirtualInheritsNonConstCopy&);
  17 };
  18
  19 struct ImplicitNonConstCopy1 : NonConstCopy {  // expected-note{{the implicit copy assignment operator}}
  20   ImplicitNonConstCopy1();
  21 };
  22
  23 struct ImplicitNonConstCopy2 { // expected-note{{the implicit copy assignment operator}}
  24   ImplicitNonConstCopy2();
  25   NonConstCopy ncc;
  26 };
  27
  28 struct ImplicitNonConstCopy3 { // expected-note{{the implicit copy assignment operator}}
  29   ImplicitNonConstCopy3();
  30   NonConstCopy ncc_array[2][3];
  31 };
  32
  33 struct ImplicitNonConstCopy4 : VirtualInheritsNonConstCopy {
  34   ImplicitNonConstCopy4();
  35 };
  36
  37 void test_non_const_copy(const ImplicitNonConstCopy1 &cincc1,
  38                          const ImplicitNonConstCopy2 &cincc2,
  39                          const ImplicitNonConstCopy3 &cincc3,
  40                          const ImplicitNonConstCopy4 &cincc4,
  41                          const VirtualInheritsNonConstCopy &vincc) {
  42   (void)sizeof(ImplicitNonConstCopy1() = cincc1); // expected-error{{no viable overloaded '='}}
  43   (void)sizeof(ImplicitNonConstCopy2() = cincc2); // expected-error{{no viable overloaded '='}}
  44   (void)sizeof(ImplicitNonConstCopy3() = cincc3); // expected-error{{no viable overloaded '='}}
  45   (void)sizeof(ImplicitNonConstCopy4() = cincc4); // okay
  46   (void)sizeof(VirtualInheritsNonConstCopy() = vincc);
  47 }