1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// test <cstdlib>
#include <cstdlib>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#ifndef EXIT_FAILURE
#error EXIT_FAILURE not defined
#endif
#ifndef EXIT_SUCCESS
#error EXIT_SUCCESS not defined
#endif
#ifndef MB_CUR_MAX
#error MB_CUR_MAX not defined
#endif
#ifndef NULL
#error NULL not defined
#endif
#ifndef RAND_MAX
#error RAND_MAX not defined
#endif
template <class TestType, class IntType>
void test_div_struct() {
TestType obj;
static_assert(sizeof(obj) >= sizeof(IntType) * 2, ""); // >= to account for alignment.
static_assert((std::is_same<decltype(obj.quot), IntType>::value), "");
static_assert((std::is_same<decltype(obj.rem), IntType>::value), "");
((void) obj);
};
template <class T, class = decltype(std::abs(std::declval<T>()))>
std::true_type has_abs_imp(int);
template <class T>
std::false_type has_abs_imp(...);
template <class T>
struct has_abs : decltype(has_abs_imp<T>(0)) {};
void test_abs() {
TEST_DIAGNOSTIC_PUSH
TEST_CLANG_DIAGNOSTIC_IGNORED("-Wabsolute-value")
static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
static_assert(
(std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
static_assert((std::is_same<decltype(std::abs((int)0)), int>::value), "");
static_assert((std::is_same<decltype(std::abs((long)0)), long>::value), "");
static_assert((std::is_same<decltype(std::abs((long long)0)), long long>::value),
"");
static_assert((std::is_same<decltype(std::abs((unsigned char)0)), int>::value),
"");
static_assert((std::is_same<decltype(std::abs((unsigned short)0)), int>::value),
"");
static_assert((std::is_same<decltype(std::abs((signed char)0)), int>::value),
"");
static_assert((std::is_same<decltype(std::abs((short)0)), int>::value),
"");
static_assert((std::is_same<decltype(std::abs((unsigned char)0)), int>::value),
"");
static_assert((std::is_same<decltype(std::abs((char)0)), int>::value),
"");
static_assert(!has_abs<unsigned>::value, "");
static_assert(!has_abs<unsigned long>::value, "");
static_assert(!has_abs<unsigned long long>::value, "");
static_assert(!has_abs<std::size_t>::value, "");
TEST_DIAGNOSTIC_POP
assert(std::abs(-1.) == 1);
}
int main(int, char**)
{
std::size_t s = 0;
((void)s);
static_assert((std::is_same<std::size_t, decltype(sizeof(int))>::value), "");
test_div_struct<std::div_t, int>();
test_div_struct<std::ldiv_t, long>();
test_div_struct<std::lldiv_t, long long>();
char** endptr = 0;
static_assert((std::is_same<decltype(std::atof("")), double>::value), "");
static_assert((std::is_same<decltype(std::atoi("")), int>::value), "");
static_assert((std::is_same<decltype(std::atol("")), long>::value), "");
static_assert((std::is_same<decltype(std::atoll("")), long long>::value), "");
static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
static_assert((std::is_same<decltype(std::strtod("", endptr)), double>::value), "");
static_assert((std::is_same<decltype(std::strtof("", endptr)), float>::value), "");
static_assert((std::is_same<decltype(std::strtold("", endptr)), long double>::value), "");
static_assert((std::is_same<decltype(std::strtol("", endptr,0)), long>::value), "");
static_assert((std::is_same<decltype(std::strtoll("", endptr,0)), long long>::value), "");
static_assert((std::is_same<decltype(std::strtoul("", endptr,0)), unsigned long>::value), "");
static_assert((std::is_same<decltype(std::strtoull("", endptr,0)), unsigned long long>::value), "");
static_assert((std::is_same<decltype(std::rand()), int>::value), "");
static_assert((std::is_same<decltype(std::srand(0)), void>::value), "");
// std::aligned_alloc tested in cstdlib.aligned_alloc.compile.pass.cpp
void* pv = 0;
void (*handler)() = 0;
int (*comp)(void const*, void const*) = 0;
static_assert((std::is_same<decltype(std::calloc(0,0)), void*>::value), "");
static_assert((std::is_same<decltype(std::free(0)), void>::value), "");
static_assert((std::is_same<decltype(std::malloc(0)), void*>::value), "");
static_assert((std::is_same<decltype(std::realloc(0,0)), void*>::value), "");
static_assert((std::is_same<decltype(std::abort()), void>::value), "");
static_assert((std::is_same<decltype(std::atexit(handler)), int>::value), "");
static_assert((std::is_same<decltype(std::exit(0)), void>::value), "");
static_assert((std::is_same<decltype(std::_Exit(0)), void>::value), "");
static_assert((std::is_same<decltype(std::getenv("")), char*>::value), "");
static_assert((std::is_same<decltype(std::system("")), int>::value), "");
static_assert((std::is_same<decltype(std::bsearch(pv,pv,0,0,comp)), void*>::value), "");
static_assert((std::is_same<decltype(std::qsort(pv,0,0,comp)), void>::value), "");
static_assert((std::is_same<decltype(std::abs(0)), int>::value), "");
static_assert((std::is_same<decltype(std::abs((long)0)), long>::value), "");
static_assert((std::is_same<decltype(std::abs((long long)0)), long long>::value), "");
static_assert((std::is_same<decltype(std::labs((long)0)), long>::value), "");
static_assert((std::is_same<decltype(std::llabs((long long)0)), long long>::value), "");
static_assert((std::is_same<decltype(std::div(0,0)), std::div_t>::value), "");
static_assert((std::is_same<decltype(std::div(0L,0L)), std::ldiv_t>::value), "");
static_assert((std::is_same<decltype(std::div(0LL,0LL)), std::lldiv_t>::value), "");
static_assert((std::is_same<decltype(std::ldiv(0L,0L)), std::ldiv_t>::value), "");
static_assert((std::is_same<decltype(std::lldiv(0LL,0LL)), std::lldiv_t>::value), "");
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
wchar_t* pw = 0;
const wchar_t* pwc = 0;
char* pc = 0;
static_assert((std::is_same<decltype(std::mblen("",0)), int>::value), "");
static_assert((std::is_same<decltype(std::mbtowc(pw,"",0)), int>::value), "");
static_assert((std::is_same<decltype(std::wctomb(pc,L' ')), int>::value), "");
static_assert((std::is_same<decltype(std::mbstowcs(pw,"",0)), std::size_t>::value), "");
static_assert((std::is_same<decltype(std::wcstombs(pc,pwc,0)), std::size_t>::value), "");
#endif
test_abs();
return 0;
}
|
