clang/test/SemaCXX/cxx1y-user-defined-literals.cpp

   1 // RUN: %clang_cc1 -std=c++1y %s -include %s -verify
   2
   3 #ifndef INCLUDED
   4 #define INCLUDED
   5
   6 #pragma clang system_header
   7 namespace std {
   8   using size_t = decltype(sizeof(0));
   9
  10   struct duration {};
  11   duration operator""ns(unsigned long long);
  12   duration operator""us(unsigned long long);
  13   duration operator""ms(unsigned long long);
  14   duration operator""s(unsigned long long);
  15   duration operator""min(unsigned long long);
  16   duration operator""h(unsigned long long);
  17
  18   struct string {};
  19   string operator""s(const char*, size_t);
  20
  21   template<typename T> struct complex {};
  22   complex<float> operator""if(long double);
  23   complex<float> operator""if(unsigned long long);
  24   complex<double> operator""i(long double);
  25   complex<double> operator""i(unsigned long long);
  26   complex<long double> operator""il(long double);
  27   complex<long double> operator""il(unsigned long long);
  28 }
  29
  30 #else
  31
  32 using namespace std;
  33 duration a = 1ns, b = 1us, c = 1ms, d = 1s, e = 1min, f = 1h;
  34 string s = "foo"s;
  35 char error = 'x's; // expected-error {{invalid suffix}} expected-error {{expected ';'}}
  36
  37 int _1y = 1y; // expected-error {{invalid suffix}}
  38 int _1b = 1b; // expected-error {{invalid digit}}
  39
  40 complex<float> cf1 = 1if, cf2 = 2.if, cf3 = 0x3if;
  41 complex<double> cd1 = 1i, cd2 = 2.i, cd3 = 0b0110101i;
  42 complex<long double> cld1 = 1il, cld2 = 2.il, cld3 = 0047il;
  43
  44 #endif