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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 // test <cstdlib>
     11 
     12 #include <cstdlib>
     13 #include <type_traits>
     14 
     15 #ifndef EXIT_FAILURE
     16 #error EXIT_FAILURE not defined
     17 #endif
     18 
     19 #ifndef EXIT_SUCCESS
     20 #error EXIT_SUCCESS not defined
     21 #endif
     22 
     23 #ifndef MB_CUR_MAX
     24 #error MB_CUR_MAX not defined
     25 #endif
     26 
     27 #ifndef NULL
     28 #error NULL not defined
     29 #endif
     30 
     31 #ifndef RAND_MAX
     32 #error RAND_MAX not defined
     33 #endif
     34 
     35 int main()
     36 {
     37     std::size_t s = 0;
     38     std::div_t d;
     39     std::ldiv_t ld;
     40     std::lldiv_t lld;
     41     char** endptr = 0;
     42     static_assert((std::is_same<decltype(std::atof("")), double>::value), "");
     43     static_assert((std::is_same<decltype(std::atoi("")), int>::value), "");
     44     static_assert((std::is_same<decltype(std::atol("")), long>::value), "");
     45     static_assert((std::is_same<decltype(std::atoll("")), long long>::value), "");
     46     static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
     47     static_assert((std::is_same<decltype(std::strtod("", endptr)), double>::value), "");
     48     static_assert((std::is_same<decltype(std::strtof("", endptr)), float>::value), "");
     49     static_assert((std::is_same<decltype(std::strtold("", endptr)), long double>::value), "");
     50     static_assert((std::is_same<decltype(std::strtol("", endptr,0)), long>::value), "");
     51     static_assert((std::is_same<decltype(std::strtoll("", endptr,0)), long long>::value), "");
     52     static_assert((std::is_same<decltype(std::strtoul("", endptr,0)), unsigned long>::value), "");
     53     static_assert((std::is_same<decltype(std::strtoull("", endptr,0)), unsigned long long>::value), "");
     54     static_assert((std::is_same<decltype(std::rand()), int>::value), "");
     55     static_assert((std::is_same<decltype(std::srand(0)), void>::value), "");
     56     static_assert((std::is_same<decltype(std::calloc(0,0)), void*>::value), "");
     57     static_assert((std::is_same<decltype(std::free(0)), void>::value), "");
     58     static_assert((std::is_same<decltype(std::malloc(0)), void*>::value), "");
     59     static_assert((std::is_same<decltype(std::realloc(0,0)), void*>::value), "");
     60     static_assert((std::is_same<decltype(std::abort()), void>::value), "");
     61     static_assert((std::is_same<decltype(std::atexit(0)), int>::value), "");
     62     static_assert((std::is_same<decltype(std::exit(0)), void>::value), "");
     63     static_assert((std::is_same<decltype(std::_Exit(0)), void>::value), "");
     64     static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
     65     static_assert((std::is_same<decltype(std::system("")), int>::value), "");
     66     static_assert((std::is_same<decltype(std::bsearch(0,0,0,0,0)), void*>::value), "");
     67     static_assert((std::is_same<decltype(std::qsort(0,0,0,0)), void>::value), "");
     68     static_assert((std::is_same<decltype(std::abs(0)), int>::value), "");
     69     static_assert((std::is_same<decltype(std::abs((long)0)), long>::value), "");
     70     static_assert((std::is_same<decltype(std::abs((long long)0)), long long>::value), "");
     71     static_assert((std::is_same<decltype(std::labs((long)0)), long>::value), "");
     72     static_assert((std::is_same<decltype(std::llabs((long long)0)), long long>::value), "");
     73     static_assert((std::is_same<decltype(std::div(0,0)), std::div_t>::value), "");
     74     static_assert((std::is_same<decltype(std::div(0L,0L)), std::ldiv_t>::value), "");
     75     static_assert((std::is_same<decltype(std::div(0LL,0LL)), std::lldiv_t>::value), "");
     76     static_assert((std::is_same<decltype(std::ldiv(0L,0L)), std::ldiv_t>::value), "");
     77     static_assert((std::is_same<decltype(std::lldiv(0LL,0LL)), std::lldiv_t>::value), "");
     78     static_assert((std::is_same<decltype(std::mblen("",0)), int>::value), "");
     79     wchar_t* pw = 0;
     80     const wchar_t* pwc = 0;
     81     char* pc = 0;
     82     static_assert((std::is_same<decltype(std::mbtowc(pw,"",0)), int>::value), "");
     83     static_assert((std::is_same<decltype(std::wctomb(pc,L' ')), int>::value), "");
     84     static_assert((std::is_same<decltype(std::mbstowcs(pw,"",0)), std::size_t>::value), "");
     85     static_assert((std::is_same<decltype(std::wcstombs(pc,pwc,0)), std::size_t>::value), "");
     86 }
     87