clang/test/SemaCXX/copy-constructor-error.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 struct S {
   4    S (S);  // expected-error {{copy constructor must pass its first argument by reference}}
   5 };
   6
   7 S f();
   8
   9 void g() {
  10   S a( f() );
  11 }
  12
  13 class foo {
  14   foo(foo&, int); // expected-note {{previous}}
  15   foo(int); // expected-note {{previous}}
  16   foo(const foo&); // expected-note {{previous}}
  17 };
  18
  19 foo::foo(foo&, int = 0) { } // expected-error {{makes this constructor a copy constructor}}
  20 foo::foo(int = 0) { } // expected-error {{makes this constructor a default constructor}}
  21 foo::foo(const foo& = 0) { } //expected-error {{makes this constructor a default constructor}}
  22
  23 namespace PR6064 {
  24   struct A {
  25     A() { }
  26     inline A(A&, int); // expected-note {{previous}}
  27   };
  28
  29   A::A(A&, int = 0) { } // expected-error {{makes this constructor a copy constructor}}
  30
  31   void f() {
  32     A const a;
  33     A b(a);
  34   }
  35 }
  36
  37 namespace PR10618 {
  38   struct A {
  39     A(int, int, int); // expected-note {{previous}}
  40   };
  41   A::A(int a = 0, // expected-error {{makes this constructor a default constructor}}
  42        int b = 0,
  43        int c = 0) {}
  44
  45   struct B {
  46     B(int);
  47     B(const B&, int); // expected-note {{previous}}
  48   };
  49   B::B(const B& = B(0), // expected-error {{makes this constructor a default constructor}}
  50        int = 0) {
  51   }
  52
  53   struct C {
  54     C(const C&, int); // expected-note {{previous}}
  55   };
  56   C::C(const C&,
  57        int = 0) { // expected-error {{makes this constructor a copy constructor}}
  58   }
  59 }