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 // int stoi(const string& str, size_t *idx = 0, int base = 10); 12 // int stoi(const wstring& str, size_t *idx = 0, int base = 10); 13 14 #include <string> 15 #include <cassert> 16 #include <stdexcept> 17 18 #include "test_macros.h" 19 20 int main(int, char**) 21 { 22 assert(std::stoi("0") == 0); 23 assert(std::stoi(L"0") == 0); 24 assert(std::stoi("-0") == 0); 25 assert(std::stoi(L"-0") == 0); 26 assert(std::stoi("-10") == -10); 27 assert(std::stoi(L"-10") == -10); 28 assert(std::stoi(" 10") == 10); 29 assert(std::stoi(L" 10") == 10); 30 size_t idx = 0; 31 assert(std::stoi("10g", &idx, 16) == 16); 32 assert(idx == 2); 33 idx = 0; 34 assert(std::stoi(L"10g", &idx, 16) == 16); 35 assert(idx == 2); 36 #ifndef TEST_HAS_NO_EXCEPTIONS 37 if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) 38 { 39 try 40 { 41 std::stoi("0x100000000", &idx, 16); 42 assert(false); 43 } 44 catch (const std::out_of_range&) 45 { 46 } 47 try 48 { 49 std::stoi(L"0x100000000", &idx, 16); 50 assert(false); 51 } 52 catch (const std::out_of_range&) 53 { 54 } 55 } 56 idx = 0; 57 try 58 { 59 std::stoi("", &idx); 60 assert(false); 61 } 62 catch (const std::invalid_argument&) 63 { 64 assert(idx == 0); 65 } 66 try 67 { 68 std::stoi(L"", &idx); 69 assert(false); 70 } 71 catch (const std::invalid_argument&) 72 { 73 assert(idx == 0); 74 } 75 try 76 { 77 std::stoi(" - 8", &idx); 78 assert(false); 79 } 80 catch (const std::invalid_argument&) 81 { 82 assert(idx == 0); 83 } 84 try 85 { 86 std::stoi(L" - 8", &idx); 87 assert(false); 88 } 89 catch (const std::invalid_argument&) 90 { 91 assert(idx == 0); 92 } 93 try 94 { 95 std::stoi("a1", &idx); 96 assert(false); 97 } 98 catch (const std::invalid_argument&) 99 { 100 assert(idx == 0); 101 } 102 try 103 { 104 std::stoi(L"a1", &idx); 105 assert(false); 106 } 107 catch (const std::invalid_argument&) 108 { 109 assert(idx == 0); 110 } 111 #endif 112 113 return 0; 114 } 115