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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 // <string>
     11 
     12 // unsigned long long stoull(const string& str, size_t *idx = 0, int base = 10);
     13 // unsigned long long stoull(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::stoull("0") == 0);
     21     assert(std::stoull(L"0") == 0);
     22     assert(std::stoull("-0") == 0);
     23     assert(std::stoull(L"-0") == 0);
     24     assert(std::stoull(" 10") == 10);
     25     assert(std::stoull(L" 10") == 10);
     26     size_t idx = 0;
     27     assert(std::stoull("10g", &idx, 16) == 16);
     28     assert(idx == 2);
     29     idx = 0;
     30     assert(std::stoull(L"10g", &idx, 16) == 16);
     31     assert(idx == 2);
     32     idx = 0;
     33     try
     34     {
     35         std::stoull("", &idx);
     36         assert(false);
     37     }
     38     catch (const std::invalid_argument&)
     39     {
     40         assert(idx == 0);
     41     }
     42     idx = 0;
     43     try
     44     {
     45         std::stoull(L"", &idx);
     46         assert(false);
     47     }
     48     catch (const std::invalid_argument&)
     49     {
     50         assert(idx == 0);
     51     }
     52     try
     53     {
     54         std::stoull("  - 8", &idx);
     55         assert(false);
     56     }
     57     catch (const std::invalid_argument&)
     58     {
     59         assert(idx == 0);
     60     }
     61     try
     62     {
     63         std::stoull(L"  - 8", &idx);
     64         assert(false);
     65     }
     66     catch (const std::invalid_argument&)
     67     {
     68         assert(idx == 0);
     69     }
     70     try
     71     {
     72         std::stoull("a1", &idx);
     73         assert(false);
     74     }
     75     catch (const std::invalid_argument&)
     76     {
     77         assert(idx == 0);
     78     }
     79     try
     80     {
     81         std::stoull(L"a1", &idx);
     82         assert(false);
     83     }
     84     catch (const std::invalid_argument&)
     85     {
     86         assert(idx == 0);
     87     }
     88 }
     89