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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <cwctype>
     11 
     12 #include <cwctype>
     13 #include <type_traits>
     14 
     15 #ifndef WEOF
     16 #error WEOF not defined
     17 #endif
     18 
     19 #ifdef iswalnum
     20 #error iswalnum defined
     21 #endif
     22 
     23 #ifdef iswalpha
     24 #error iswalpha defined
     25 #endif
     26 
     27 #ifdef iswblank
     28 #error iswblank defined
     29 #endif
     30 
     31 #ifdef iswcntrl
     32 #error iswcntrl defined
     33 #endif
     34 
     35 #ifdef iswdigit
     36 #error iswdigit defined
     37 #endif
     38 
     39 #ifdef iswgraph
     40 #error iswgraph defined
     41 #endif
     42 
     43 #ifdef iswlower
     44 #error iswlower defined
     45 #endif
     46 
     47 #ifdef iswprint
     48 #error iswprint defined
     49 #endif
     50 
     51 #ifdef iswpunct
     52 #error iswpunct defined
     53 #endif
     54 
     55 #ifdef iswspace
     56 #error iswspace defined
     57 #endif
     58 
     59 #ifdef iswupper
     60 #error iswupper defined
     61 #endif
     62 
     63 #ifdef iswxdigit
     64 #error iswxdigit defined
     65 #endif
     66 
     67 #ifdef iswctype
     68 #error iswctype defined
     69 #endif
     70 
     71 #ifdef wctype
     72 #error wctype defined
     73 #endif
     74 
     75 #ifdef towlower
     76 #error towlower defined
     77 #endif
     78 
     79 #ifdef towupper
     80 #error towupper defined
     81 #endif
     82 
     83 #ifdef towctrans
     84 #error towctrans defined
     85 #endif
     86 
     87 #ifdef wctrans
     88 #error wctrans defined
     89 #endif
     90 
     91 int main()
     92 {
     93     std::wint_t w = 0;
     94     std::wctrans_t wctr = 0;
     95     std::wctype_t wct = 0;
     96     static_assert((std::is_same<decltype(std::iswalnum(w)), int>::value), "");
     97     static_assert((std::is_same<decltype(std::iswalpha(w)), int>::value), "");
     98     static_assert((std::is_same<decltype(std::iswblank(w)), int>::value), "");
     99     static_assert((std::is_same<decltype(std::iswcntrl(w)), int>::value), "");
    100     static_assert((std::is_same<decltype(std::iswdigit(w)), int>::value), "");
    101     static_assert((std::is_same<decltype(std::iswgraph(w)), int>::value), "");
    102     static_assert((std::is_same<decltype(std::iswlower(w)), int>::value), "");
    103     static_assert((std::is_same<decltype(std::iswprint(w)), int>::value), "");
    104     static_assert((std::is_same<decltype(std::iswpunct(w)), int>::value), "");
    105     static_assert((std::is_same<decltype(std::iswspace(w)), int>::value), "");
    106     static_assert((std::is_same<decltype(std::iswupper(w)), int>::value), "");
    107     static_assert((std::is_same<decltype(std::iswxdigit(w)), int>::value), "");
    108     static_assert((std::is_same<decltype(std::iswctype(w, wct)), int>::value), "");
    109     static_assert((std::is_same<decltype(std::wctype("")), std::wctype_t>::value), "");
    110     static_assert((std::is_same<decltype(std::towlower(w)), std::wint_t>::value), "");
    111     static_assert((std::is_same<decltype(std::towupper(w)), std::wint_t>::value), "");
    112     static_assert((std::is_same<decltype(std::towctrans(w, wctr)), std::wint_t>::value), "");
    113     static_assert((std::is_same<decltype(std::wctrans("")), std::wctrans_t>::value), "");
    114 }
    115