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      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 // XFAIL: libcpp-no-exceptions
     11 // <string>
     12 
     13 // int stoi(const string& str, size_t *idx = 0, int base = 10);
     14 // int stoi(const wstring& str, size_t *idx = 0, int base = 10);
     15 
     16 #include <string>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     assert(std::stoi("0") == 0);
     22     assert(std::stoi(L"0") == 0);
     23     assert(std::stoi("-0") == 0);
     24     assert(std::stoi(L"-0") == 0);
     25     assert(std::stoi("-10") == -10);
     26     assert(std::stoi(L"-10") == -10);
     27     assert(std::stoi(" 10") == 10);
     28     assert(std::stoi(L" 10") == 10);
     29     size_t idx = 0;
     30     assert(std::stoi("10g", &idx, 16) == 16);
     31     assert(idx == 2);
     32     idx = 0;
     33     assert(std::stoi(L"10g", &idx, 16) == 16);
     34     assert(idx == 2);
     35     if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max())
     36     {
     37         try
     38         {
     39             std::stoi("0x100000000", &idx, 16);
     40             assert(false);
     41         }
     42         catch (const std::out_of_range&)
     43         {
     44         }
     45         try
     46         {
     47             std::stoi(L"0x100000000", &idx, 16);
     48             assert(false);
     49         }
     50         catch (const std::out_of_range&)
     51         {
     52         }
     53     }
     54     idx = 0;
     55     try
     56     {
     57         std::stoi("", &idx);
     58         assert(false);
     59     }
     60     catch (const std::invalid_argument&)
     61     {
     62         assert(idx == 0);
     63     }
     64     try
     65     {
     66         std::stoi(L"", &idx);
     67         assert(false);
     68     }
     69     catch (const std::invalid_argument&)
     70     {
     71         assert(idx == 0);
     72     }
     73     try
     74     {
     75         std::stoi("  - 8", &idx);
     76         assert(false);
     77     }
     78     catch (const std::invalid_argument&)
     79     {
     80         assert(idx == 0);
     81     }
     82     try
     83     {
     84         std::stoi(L"  - 8", &idx);
     85         assert(false);
     86     }
     87     catch (const std::invalid_argument&)
     88     {
     89         assert(idx == 0);
     90     }
     91     try
     92     {
     93         std::stoi("a1", &idx);
     94         assert(false);
     95     }
     96     catch (const std::invalid_argument&)
     97     {
     98         assert(idx == 0);
     99     }
    100     try
    101     {
    102         std::stoi(L"a1", &idx);
    103         assert(false);
    104     }
    105     catch (const std::invalid_argument&)
    106     {
    107         assert(idx == 0);
    108     }
    109 }
    110