1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <string>
10
11// long double stold(const string& str, size_t *idx = 0);
12// long double stold(const wstring& str, size_t *idx = 0);
13
14#include <cassert>
15#include <cmath>
16#include <stdexcept>
17#include <string>
18
19#include "test_macros.h"
20
21int main(int, char**) {
22 assert(std::stold("0") == 0);
23 assert(std::stold("-0") == 0);
24 assert(std::stold("-10") == -10);
25 assert(std::stold(" 10") == 10);
26 {
27 std::size_t idx = 0;
28 assert(std::stold("10g", &idx) == 10);
29 assert(idx == 2);
30 }
31 {
32 std::size_t idx = 0;
33 assert(std::stold("1.e60", &idx) == 1.e60L);
34 assert(idx == 5);
35 }
36 {
37 std::size_t idx = 0;
38 assert(std::stold("INF", &idx) == INFINITY);
39 assert(idx == 3);
40 }
41 {
42 std::size_t idx = 0;
43 assert(std::isnan(std::stold("NAN", &idx)));
44 assert(idx == 3);
45 }
46
47#ifndef TEST_HAS_NO_EXCEPTIONS
48 {
49 std::size_t idx = 0;
50 try {
51 (void)std::stold("", &idx);
52 assert(false);
53 } catch (const std::invalid_argument&) {
54 assert(idx == 0);
55 }
56 }
57 {
58 std::size_t idx = 0;
59 try {
60 (void)std::stold(" - 8", &idx);
61 assert(false);
62 } catch (const std::invalid_argument&) {
63 assert(idx == 0);
64 }
65 }
66 {
67 std::size_t idx = 0;
68 try {
69 (void)std::stold("a1", &idx);
70 assert(false);
71 } catch (const std::invalid_argument&) {
72 assert(idx == 0);
73 }
74 }
75 {
76 std::size_t idx = 0;
77 try {
78 assert(std::stold("1.e6000", &idx) == INFINITY);
79 assert(false);
80 } catch (const std::out_of_range&) {
81 assert(idx == 0);
82 }
83 }
84#endif // TEST_HAS_NO_EXCEPTIONS
85
86#ifndef TEST_HAS_NO_WIDE_CHARACTERS
87 assert(std::stold(L"0") == 0);
88 assert(std::stold(L"-0") == 0);
89 assert(std::stold(L"-10.5") == -10.5);
90 assert(std::stold(L" 10") == 10);
91 {
92 std::size_t idx = 0;
93 assert(std::stold(L"10g", &idx) == 10);
94 assert(idx == 2);
95 }
96 {
97 std::size_t idx = 0;
98 assert(std::stold(L"1.e60", &idx) == 1.e60L);
99 assert(idx == 5);
100 }
101 {
102 std::size_t idx = 0;
103 assert(std::stold(L"INF", &idx) == INFINITY);
104 assert(idx == 3);
105 }
106 {
107 std::size_t idx = 0;
108 assert(std::isnan(std::stold(L"NAN", &idx)));
109 assert(idx == 3);
110 }
111# ifndef TEST_HAS_NO_EXCEPTIONS
112 {
113 std::size_t idx = 0;
114 try {
115 (void)std::stold(L"", &idx);
116 assert(false);
117 } catch (const std::invalid_argument&) {
118 assert(idx == 0);
119 }
120 }
121 {
122 std::size_t idx = 0;
123 try {
124 (void)std::stold(L" - 8", &idx);
125 assert(false);
126 } catch (const std::invalid_argument&) {
127 assert(idx == 0);
128 }
129 }
130 {
131 std::size_t idx = 0;
132 try {
133 (void)std::stold(L"a1", &idx);
134 assert(false);
135 } catch (const std::invalid_argument&) {
136 assert(idx == 0);
137 }
138 }
139 {
140 std::size_t idx = 0;
141 try {
142 assert(std::stold(L"1.e6000", &idx) == INFINITY);
143 assert(false);
144 } catch (const std::out_of_range&) {
145 assert(idx == 0);
146 }
147 }
148# endif // TEST_HAS_NO_EXCEPTIONS
149#endif // TEST_HAS_NO_WIDE_CHARACTERS
150
151 return 0;
152}
153

source code of libcxx/test/std/strings/string.conversions/stold.pass.cpp