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