clang/test/SemaCXX/converting-constructor.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
   3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   4
   5 class Z { };
   6
   7 class Y {
   8 public:
   9   Y(const Z&);
  10 };
  11
  12 class X {
  13 public:
  14   X(int);
  15   X(const Y&);
  16 };
  17
  18 void f(X); // expected-note{{candidate function}}
  19
  20 void g(short s, Y y, Z z) {
  21   f(s);
  22   f(1.0f);
  23   f(y);
  24   f(z); // expected-error{{no matching function}}
  25 }
  26
  27
  28 class FromShort {
  29 public:
  30   FromShort(short s);
  31 };
  32
  33 class FromShortExplicitly { // expected-note{{candidate constructor (the implicit copy constructor)}}
  34 #if __cplusplus >= 201103L // C++11 or later
  35 // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}}
  36 #endif
  37
  38 public:
  39   explicit FromShortExplicitly(short s); // expected-note {{explicit constructor is not a candidate}}
  40 };
  41
  42 void explicit_constructor(short s) {
  43   FromShort fs1(s);
  44   FromShort fs2 = s;
  45   FromShortExplicitly fse1(s);
  46   FromShortExplicitly fse2 = s; // expected-error{{no viable conversion}}
  47 }
  48
  49 // PR5519
  50 struct X1 { X1(const char&); };
  51 void x1(X1);
  52 void y1() {
  53   x1(1);
  54 }