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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 // long double stold(const string& str, size_t *idx = 0);
     14 // long double stold(const wstring& str, size_t *idx = 0);
     15 
     16 #include <iostream>
     17 
     18 #include <string>
     19 #include <cmath>
     20 #include <cassert>
     21 
     22 int main()
     23 {
     24     assert(std::stold("0") == 0);
     25     assert(std::stold(L"0") == 0);
     26     assert(std::stold("-0") == 0);
     27     assert(std::stold(L"-0") == 0);
     28     assert(std::stold("-10") == -10);
     29     assert(std::stold(L"-10.5") == -10.5);
     30     assert(std::stold(" 10") == 10);
     31     assert(std::stold(L" 10") == 10);
     32     size_t idx = 0;
     33     assert(std::stold("10g", &idx) == 10);
     34     assert(idx == 2);
     35     idx = 0;
     36     assert(std::stold(L"10g", &idx) == 10);
     37     assert(idx == 2);
     38     try
     39     {
     40         assert(std::stold("1.e60", &idx) == 1.e60L);
     41         assert(idx == 5);
     42     }
     43     catch (const std::out_of_range&)
     44     {
     45         assert(false);
     46     }
     47     try
     48     {
     49         assert(std::stold(L"1.e60", &idx) == 1.e60L);
     50         assert(idx == 5);
     51     }
     52     catch (const std::out_of_range&)
     53     {
     54         assert(false);
     55     }
     56     idx = 0;
     57     try
     58     {
     59         assert(std::stold("1.e6000", &idx) == INFINITY);
     60         assert(false);
     61     }
     62     catch (const std::out_of_range&)
     63     {
     64         assert(idx == 0);
     65     }
     66     try
     67     {
     68         assert(std::stold(L"1.e6000", &idx) == INFINITY);
     69         assert(false);
     70     }
     71     catch (const std::out_of_range&)
     72     {
     73         assert(idx == 0);
     74     }
     75     try
     76     {
     77         assert(std::stold("INF", &idx) == INFINITY);
     78         assert(idx == 3);
     79     }
     80     catch (const std::out_of_range&)
     81     {
     82         assert(false);
     83     }
     84     idx = 0;
     85     try
     86     {
     87         assert(std::stold(L"INF", &idx) == INFINITY);
     88         assert(idx == 3);
     89     }
     90     catch (const std::out_of_range&)
     91     {
     92         assert(false);
     93     }
     94     idx = 0;
     95     try
     96     {
     97         assert(std::isnan(std::stold("NAN", &idx)));
     98         assert(idx == 3);
     99     }
    100     catch (const std::out_of_range&)
    101     {
    102         assert(false);
    103     }
    104     idx = 0;
    105     try
    106     {
    107         assert(std::isnan(std::stold(L"NAN", &idx)));
    108         assert(idx == 3);
    109     }
    110     catch (const std::out_of_range&)
    111     {
    112         assert(false);
    113     }
    114     idx = 0;
    115     try
    116     {
    117         std::stold("", &idx);
    118         assert(false);
    119     }
    120     catch (const std::invalid_argument&)
    121     {
    122         assert(idx == 0);
    123     }
    124     try
    125     {
    126         std::stold(L"", &idx);
    127         assert(false);
    128     }
    129     catch (const std::invalid_argument&)
    130     {
    131         assert(idx == 0);
    132     }
    133     try
    134     {
    135         std::stold("  - 8", &idx);
    136         assert(false);
    137     }
    138     catch (const std::invalid_argument&)
    139     {
    140         assert(idx == 0);
    141     }
    142     try
    143     {
    144         std::stold(L"  - 8", &idx);
    145         assert(false);
    146     }
    147     catch (const std::invalid_argument&)
    148     {
    149         assert(idx == 0);
    150     }
    151     try
    152     {
    153         std::stold("a1", &idx);
    154         assert(false);
    155     }
    156     catch (const std::invalid_argument&)
    157     {
    158         assert(idx == 0);
    159     }
    160     try
    161     {
    162         std::stold(L"a1", &idx);
    163         assert(false);
    164     }
    165     catch (const std::invalid_argument&)
    166     {
    167         assert(idx == 0);
    168     }
    169 }
    170