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 // <string> 11 12 // int stoi(const string& str, size_t *idx = 0, int base = 10); 13 // int stoi(const wstring& str, size_t *idx = 0, int base = 10); 14 15 #include <string> 16 #include <cassert> 17 #include <stdexcept> 18 19 #include "test_macros.h" 20 21 int main() 22 { 23 assert(std::stoi("0") == 0); 24 assert(std::stoi(L"0") == 0); 25 assert(std::stoi("-0") == 0); 26 assert(std::stoi(L"-0") == 0); 27 assert(std::stoi("-10") == -10); 28 assert(std::stoi(L"-10") == -10); 29 assert(std::stoi(" 10") == 10); 30 assert(std::stoi(L" 10") == 10); 31 size_t idx = 0; 32 assert(std::stoi("10g", &idx, 16) == 16); 33 assert(idx == 2); 34 idx = 0; 35 assert(std::stoi(L"10g", &idx, 16) == 16); 36 assert(idx == 2); 37 #ifndef TEST_HAS_NO_EXCEPTIONS 38 if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) 39 { 40 try 41 { 42 std::stoi("0x100000000", &idx, 16); 43 assert(false); 44 } 45 catch (const std::out_of_range&) 46 { 47 } 48 try 49 { 50 std::stoi(L"0x100000000", &idx, 16); 51 assert(false); 52 } 53 catch (const std::out_of_range&) 54 { 55 } 56 } 57 idx = 0; 58 try 59 { 60 std::stoi("", &idx); 61 assert(false); 62 } 63 catch (const std::invalid_argument&) 64 { 65 assert(idx == 0); 66 } 67 try 68 { 69 std::stoi(L"", &idx); 70 assert(false); 71 } 72 catch (const std::invalid_argument&) 73 { 74 assert(idx == 0); 75 } 76 try 77 { 78 std::stoi(" - 8", &idx); 79 assert(false); 80 } 81 catch (const std::invalid_argument&) 82 { 83 assert(idx == 0); 84 } 85 try 86 { 87 std::stoi(L" - 8", &idx); 88 assert(false); 89 } 90 catch (const std::invalid_argument&) 91 { 92 assert(idx == 0); 93 } 94 try 95 { 96 std::stoi("a1", &idx); 97 assert(false); 98 } 99 catch (const std::invalid_argument&) 100 { 101 assert(idx == 0); 102 } 103 try 104 { 105 std::stoi(L"a1", &idx); 106 assert(false); 107 } 108 catch (const std::invalid_argument&) 109 { 110 assert(idx == 0); 111 } 112 #endif 113 } 114