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 // unsigned long stoul(const string& str, size_t *idx = 0, int base = 10); 13 // unsigned long stoul(const wstring& str, size_t *idx = 0, int base = 10); 14 15 #include <string> 16 #include <cassert> 17 18 int main() 19 { 20 assert(std::stoul("0") == 0); 21 assert(std::stoul(L"0") == 0); 22 assert(std::stoul("-0") == 0); 23 assert(std::stoul(L"-0") == 0); 24 assert(std::stoul(" 10") == 10); 25 assert(std::stoul(L" 10") == 10); 26 size_t idx = 0; 27 assert(std::stoul("10g", &idx, 16) == 16); 28 assert(idx == 2); 29 idx = 0; 30 assert(std::stoul(L"10g", &idx, 16) == 16); 31 assert(idx == 2); 32 idx = 0; 33 try 34 { 35 std::stoul("", &idx); 36 assert(false); 37 } 38 catch (const std::invalid_argument&) 39 { 40 assert(idx == 0); 41 } 42 try 43 { 44 std::stoul(L"", &idx); 45 assert(false); 46 } 47 catch (const std::invalid_argument&) 48 { 49 assert(idx == 0); 50 } 51 try 52 { 53 std::stoul(" - 8", &idx); 54 assert(false); 55 } 56 catch (const std::invalid_argument&) 57 { 58 assert(idx == 0); 59 } 60 try 61 { 62 std::stoul(L" - 8", &idx); 63 assert(false); 64 } 65 catch (const std::invalid_argument&) 66 { 67 assert(idx == 0); 68 } 69 try 70 { 71 std::stoul("a1", &idx); 72 assert(false); 73 } 74 catch (const std::invalid_argument&) 75 { 76 assert(idx == 0); 77 } 78 try 79 { 80 std::stoul(L"a1", &idx); 81 assert(false); 82 } 83 catch (const std::invalid_argument&) 84 { 85 assert(idx == 0); 86 } 87 } 88