clang/test/SemaCXX/cxx0x-delegating-ctors.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
   2
   3 struct foo {
   4   int i;
   5   foo();
   6   foo(int);
   7   foo(int, int);
   8   foo(bool);
   9   foo(char);
  10   foo(const float*);
  11   foo(const float&);
  12   foo(void*);
  13 };
  14
  15 // Good
  16 foo::foo (int i) : i(i) {
  17 }
  18 // Good
  19 foo::foo () : foo(-1) {
  20 }
  21 // Good
  22 foo::foo (int, int) : foo() {
  23 }
  24
  25 foo::foo (bool) : foo(true) { // expected-error{{creates a delegation cycle}}
  26 }
  27
  28 // Good
  29 foo::foo (const float* f) : foo(*f) { // expected-note{{it delegates to}}
  30 }
  31
  32 foo::foo (const float &f) : foo(&f) { //expected-error{{creates a delegation cycle}} \
  33                                       //expected-note{{which delegates to}}
  34 }
  35
  36 foo::foo (char) :
  37   i(3),
  38   foo(3) { // expected-error{{must appear alone}}
  39 }
  40
  41 // This should not cause an infinite loop
  42 foo::foo (void*) : foo(4.0f) {
  43 }
  44
  45 struct deleted_dtor {
  46   ~deleted_dtor() = delete; // expected-note{{'~deleted_dtor' has been explicitly marked deleted here}}
  47   deleted_dtor();
  48   deleted_dtor(int) : deleted_dtor() // expected-error{{attempt to use a deleted function}}
  49   {}
  50 };