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 #include <cassert>
15
16 #ifndef EXIT_FAILURE
17 #error EXIT_FAILURE not defined
18 #endif
19
20 #ifndef EXIT_SUCCESS
21 #error EXIT_SUCCESS not defined
22 #endif
23
24 #ifndef MB_CUR_MAX
25 #error MB_CUR_MAX not defined
26 #endif
27
28 #ifndef NULL
29 #error NULL not defined
30 #endif
31
32 #ifndef RAND_MAX
33 #error RAND_MAX not defined
34 #endif
35
36 template <class TestType, class IntType>
test_div_struct()37 void test_div_struct() {
38 TestType obj;
39 static_assert(sizeof(obj) >= sizeof(IntType) * 2, ""); // >= to account for alignment.
40 static_assert((std::is_same<decltype(obj.quot), IntType>::value), "");
41 static_assert((std::is_same<decltype(obj.rem), IntType>::value), "");
42 ((void) obj);
43 };
44
main()45 int main()
46 {
47 std::size_t s = 0;
48 ((void)s);
49 static_assert((std::is_same<std::size_t, decltype(sizeof(int))>::value), "");
50 test_div_struct<std::div_t, int>();
51 test_div_struct<std::ldiv_t, long>();
52 test_div_struct<std::lldiv_t, long long>();
53 char** endptr = 0;
54 static_assert((std::is_same<decltype(std::atof("")), double>::value), "");
55 static_assert((std::is_same<decltype(std::atoi("")), int>::value), "");
56 static_assert((std::is_same<decltype(std::atol("")), long>::value), "");
57 static_assert((std::is_same<decltype(std::atoll("")), long long>::value), "");
58 static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
59 static_assert((std::is_same<decltype(std::strtod("", endptr)), double>::value), "");
60 static_assert((std::is_same<decltype(std::strtof("", endptr)), float>::value), "");
61 static_assert((std::is_same<decltype(std::strtold("", endptr)), long double>::value), "");
62 static_assert((std::is_same<decltype(std::strtol("", endptr,0)), long>::value), "");
63 static_assert((std::is_same<decltype(std::strtoll("", endptr,0)), long long>::value), "");
64 static_assert((std::is_same<decltype(std::strtoul("", endptr,0)), unsigned long>::value), "");
65 static_assert((std::is_same<decltype(std::strtoull("", endptr,0)), unsigned long long>::value), "");
66 static_assert((std::is_same<decltype(std::rand()), int>::value), "");
67 static_assert((std::is_same<decltype(std::srand(0)), void>::value), "");
68 static_assert((std::is_same<decltype(std::calloc(0,0)), void*>::value), "");
69 static_assert((std::is_same<decltype(std::free(0)), void>::value), "");
70 static_assert((std::is_same<decltype(std::malloc(0)), void*>::value), "");
71 static_assert((std::is_same<decltype(std::realloc(0,0)), void*>::value), "");
72 static_assert((std::is_same<decltype(std::abort()), void>::value), "");
73 static_assert((std::is_same<decltype(std::atexit(0)), int>::value), "");
74 static_assert((std::is_same<decltype(std::exit(0)), void>::value), "");
75 static_assert((std::is_same<decltype(std::_Exit(0)), void>::value), "");
76 static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
77 static_assert((std::is_same<decltype(std::system("")), int>::value), "");
78 static_assert((std::is_same<decltype(std::bsearch(0,0,0,0,0)), void*>::value), "");
79 static_assert((std::is_same<decltype(std::qsort(0,0,0,0)), void>::value), "");
80 static_assert((std::is_same<decltype(std::abs(0)), int>::value), "");
81 static_assert((std::is_same<decltype(std::abs((long)0)), long>::value), "");
82 static_assert((std::is_same<decltype(std::abs((long long)0)), long long>::value), "");
83 static_assert((std::is_same<decltype(std::labs((long)0)), long>::value), "");
84 static_assert((std::is_same<decltype(std::llabs((long long)0)), long long>::value), "");
85 static_assert((std::is_same<decltype(std::div(0,0)), std::div_t>::value), "");
86 static_assert((std::is_same<decltype(std::div(0L,0L)), std::ldiv_t>::value), "");
87 static_assert((std::is_same<decltype(std::div(0LL,0LL)), std::lldiv_t>::value), "");
88 static_assert((std::is_same<decltype(std::ldiv(0L,0L)), std::ldiv_t>::value), "");
89 static_assert((std::is_same<decltype(std::lldiv(0LL,0LL)), std::lldiv_t>::value), "");
90 wchar_t* pw = 0;
91 const wchar_t* pwc = 0;
92 char* pc = 0;
93 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
94 static_assert((std::is_same<decltype(std::mblen("",0)), int>::value), "");
95 static_assert((std::is_same<decltype(std::mbtowc(pw,"",0)), int>::value), "");
96 static_assert((std::is_same<decltype(std::wctomb(pc,L' ')), int>::value), "");
97 #endif
98 static_assert((std::is_same<decltype(std::mbstowcs(pw,"",0)), std::size_t>::value), "");
99 static_assert((std::is_same<decltype(std::wcstombs(pc,pwc,0)), std::size_t>::value), "");
100 }
101