clang/test/SemaCXX/type-convert-construct.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=gnu++98 %s
   3 // RUN: %clang_cc1 -fsyntax-only -verify -std=gnu++11 %s
   4
   5 void f() {
   6   float v1 = float(1);
   7   int v2 = typeof(int)(1,2); // expected-error {{excess elements in scalar initializer}}
   8   typedef int arr[];
   9   arr(); // expected-error {{array types cannot be value-initialized}}
  10   typedef void fn_ty();
  11   fn_ty(); // expected-error {{cannot create object of function type 'fn_ty'}}
  12   fn_ty(0); // expected-error {{functional-style cast from 'int' to 'fn_ty'}}
  13   fn_ty(0, 0); // expected-error {{cannot create object of function type 'fn_ty'}}
  14 #if __cplusplus >= 201103L
  15   fn_ty{}; // expected-error {{cannot create object of function type 'fn_ty'}}
  16   fn_ty{0}; // expected-error {{cannot create object of function type 'fn_ty'}}
  17   fn_ty{0, 0}; // expected-error {{cannot create object of function type 'fn_ty'}}
  18   fn_ty({}); // expected-error {{cannot create object of function type 'fn_ty'}}
  19 #endif
  20   int v4 = int();
  21   int v5 = int; // expected-error {{expected '(' for function-style cast or type construction}}
  22   typedef int T;
  23   int *p;
  24   bool v6 = T(0) == p;
  25 #if __cplusplus >= 201103L
  26   // expected-error@-2 {{comparison between pointer and integer ('T' (aka 'int') and 'int *')}}
  27 #endif
  28   char *str;
  29   str = "a string";
  30 #if __cplusplus <= 199711L
  31   // expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
  32 #else
  33   // expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'char *'}}
  34 #endif
  35   wchar_t *wstr;
  36   wstr = L"a wide string";
  37 #if __cplusplus <= 199711L
  38   // expected-warning@-2 {{conversion from string literal to 'wchar_t *' is deprecated}}
  39 #else
  40   // expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'wchar_t *'}}
  41 #endif
  42 }