external/bsd/libc++/dist/libcxx/test/strings/string.conversions/stoul.pass.cpp

   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: with_system_lib=x86_64-apple-darwin11
  11 // XFAIL: with_system_lib=x86_64-apple-darwin12
  12
  13 // <string>
  14
  15 // unsigned long stoul(const string& str, size_t *idx = 0, int base = 10);
  16 // unsigned long stoul(const wstring& str, size_t *idx = 0, int base = 10);
  17
  18 #include <string>
  19 #include <cassert>
  20
  21 int main()
  22 {
  23     assert(std::stoul("0") == 0);
  24     assert(std::stoul(L"0") == 0);
  25     assert(std::stoul("-0") == 0);
  26     assert(std::stoul(L"-0") == 0);
  27     assert(std::stoul(" 10") == 10);
  28     assert(std::stoul(L" 10") == 10);
  29     size_t idx = 0;
  30     assert(std::stoul("10g", &idx, 16) == 16);
  31     assert(idx == 2);
  32     idx = 0;
  33     assert(std::stoul(L"10g", &idx, 16) == 16);
  34     assert(idx == 2);
  35     idx = 0;
  36     try
  37     {
  38         std::stoul("", &idx);
  39         assert(false);
  40     }
  41     catch (const std::invalid_argument&)
  42     {
  43         assert(idx == 0);
  44     }
  45     try
  46     {
  47         std::stoul(L"", &idx);
  48         assert(false);
  49     }
  50     catch (const std::invalid_argument&)
  51     {
  52         assert(idx == 0);
  53     }
  54     try
  55     {
  56         std::stoul("  - 8", &idx);
  57         assert(false);
  58     }
  59     catch (const std::invalid_argument&)
  60     {
  61         assert(idx == 0);
  62     }
  63     try
  64     {
  65         std::stoul(L"  - 8", &idx);
  66         assert(false);
  67     }
  68     catch (const std::invalid_argument&)
  69     {
  70         assert(idx == 0);
  71     }
  72     try
  73     {
  74         std::stoul("a1", &idx);
  75         assert(false);
  76     }
  77     catch (const std::invalid_argument&)
  78     {
  79         assert(idx == 0);
  80     }
  81     try
  82     {
  83         std::stoul(L"a1", &idx);
  84         assert(false);
  85     }
  86     catch (const std::invalid_argument&)
  87     {
  88         assert(idx == 0);
  89     }
  90 //  LWG issue #2009
  91     try
  92     {
  93         std::stoul("9999999999999999999999999999999999999999999999999", &idx);
  94         assert(false);
  95     }
  96     catch (const std::out_of_range&)
  97     {
  98         assert(idx == 0);
  99     }
 100     try
 101     {
 102         std::stoul(L"9999999999999999999999999999999999999999999999999", &idx);
 103         assert(false);
 104     }
 105     catch (const std::out_of_range&)
 106     {
 107         assert(idx == 0);
 108     }
 109 }