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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 // size_type copy(charT* s, size_type n, size_type pos = 0) const;
     13 
     14 #include <string>
     15 #include <stdexcept>
     16 #include <algorithm>
     17 #include <cassert>
     18 
     19 #include "../../min_allocator.h"
     20 
     21 template <class S>
     22 void
     23 test(S str, typename S::value_type* s, typename S::size_type n,
     24      typename S::size_type pos)
     25 {
     26     try
     27     {
     28         const S& cs = str;
     29         typename S::size_type r = cs.copy(s, n, pos);
     30         assert(pos <= cs.size());
     31         typename S::size_type rlen = std::min(n, cs.size() - pos);
     32         assert(r == rlen);
     33         for (r = 0; r < rlen; ++r)
     34             assert(S::traits_type::eq(cs[pos+r], s[r]));
     35     }
     36     catch (std::out_of_range&)
     37     {
     38         assert(pos > str.size());
     39     }
     40 }
     41 
     42 int main()
     43 {
     44     {
     45     typedef std::string S;
     46     char s[50];
     47     test(S(""), s, 0, 0);
     48     test(S(""), s, 0, 1);
     49     test(S(""), s, 1, 0);
     50     test(S("abcde"), s, 0, 0);
     51     test(S("abcde"), s, 0, 1);
     52     test(S("abcde"), s, 0, 2);
     53     test(S("abcde"), s, 0, 4);
     54     test(S("abcde"), s, 0, 5);
     55     test(S("abcde"), s, 0, 6);
     56     test(S("abcde"), s, 1, 0);
     57     test(S("abcde"), s, 1, 1);
     58     test(S("abcde"), s, 1, 2);
     59     test(S("abcde"), s, 1, 4);
     60     test(S("abcde"), s, 1, 5);
     61     test(S("abcde"), s, 2, 0);
     62     test(S("abcde"), s, 2, 1);
     63     test(S("abcde"), s, 2, 2);
     64     test(S("abcde"), s, 2, 4);
     65     test(S("abcde"), s, 4, 0);
     66     test(S("abcde"), s, 4, 1);
     67     test(S("abcde"), s, 4, 2);
     68     test(S("abcde"), s, 5, 0);
     69     test(S("abcde"), s, 5, 1);
     70     test(S("abcde"), s, 6, 0);
     71     test(S("abcdefghijklmnopqrst"), s, 0, 0);
     72     test(S("abcdefghijklmnopqrst"), s, 0, 1);
     73     test(S("abcdefghijklmnopqrst"), s, 0, 2);
     74     test(S("abcdefghijklmnopqrst"), s, 0, 10);
     75     test(S("abcdefghijklmnopqrst"), s, 0, 19);
     76     test(S("abcdefghijklmnopqrst"), s, 0, 20);
     77     test(S("abcdefghijklmnopqrst"), s, 0, 21);
     78     test(S("abcdefghijklmnopqrst"), s, 1, 0);
     79     test(S("abcdefghijklmnopqrst"), s, 1, 1);
     80     test(S("abcdefghijklmnopqrst"), s, 1, 2);
     81     test(S("abcdefghijklmnopqrst"), s, 1, 9);
     82     test(S("abcdefghijklmnopqrst"), s, 1, 18);
     83     test(S("abcdefghijklmnopqrst"), s, 1, 19);
     84     test(S("abcdefghijklmnopqrst"), s, 1, 20);
     85     test(S("abcdefghijklmnopqrst"), s, 2, 0);
     86     test(S("abcdefghijklmnopqrst"), s, 2, 1);
     87     test(S("abcdefghijklmnopqrst"), s, 2, 2);
     88     test(S("abcdefghijklmnopqrst"), s, 2, 9);
     89     test(S("abcdefghijklmnopqrst"), s, 2, 17);
     90     test(S("abcdefghijklmnopqrst"), s, 2, 18);
     91     test(S("abcdefghijklmnopqrst"), s, 2, 19);
     92     test(S("abcdefghijklmnopqrst"), s, 10, 0);
     93     test(S("abcdefghijklmnopqrst"), s, 10, 1);
     94     test(S("abcdefghijklmnopqrst"), s, 10, 2);
     95     test(S("abcdefghijklmnopqrst"), s, 10, 5);
     96     test(S("abcdefghijklmnopqrst"), s, 10, 9);
     97     test(S("abcdefghijklmnopqrst"), s, 10, 10);
     98     test(S("abcdefghijklmnopqrst"), s, 10, 11);
     99     test(S("abcdefghijklmnopqrst"), s, 19, 0);
    100     test(S("abcdefghijklmnopqrst"), s, 19, 1);
    101     test(S("abcdefghijklmnopqrst"), s, 19, 2);
    102     test(S("abcdefghijklmnopqrst"), s, 20, 0);
    103     test(S("abcdefghijklmnopqrst"), s, 20, 1);
    104     test(S("abcdefghijklmnopqrst"), s, 21, 0);
    105     }
    106 #if __cplusplus >= 201103L
    107     {
    108     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
    109     char s[50];
    110     test(S(""), s, 0, 0);
    111     test(S(""), s, 0, 1);
    112     test(S(""), s, 1, 0);
    113     test(S("abcde"), s, 0, 0);
    114     test(S("abcde"), s, 0, 1);
    115     test(S("abcde"), s, 0, 2);
    116     test(S("abcde"), s, 0, 4);
    117     test(S("abcde"), s, 0, 5);
    118     test(S("abcde"), s, 0, 6);
    119     test(S("abcde"), s, 1, 0);
    120     test(S("abcde"), s, 1, 1);
    121     test(S("abcde"), s, 1, 2);
    122     test(S("abcde"), s, 1, 4);
    123     test(S("abcde"), s, 1, 5);
    124     test(S("abcde"), s, 2, 0);
    125     test(S("abcde"), s, 2, 1);
    126     test(S("abcde"), s, 2, 2);
    127     test(S("abcde"), s, 2, 4);
    128     test(S("abcde"), s, 4, 0);
    129     test(S("abcde"), s, 4, 1);
    130     test(S("abcde"), s, 4, 2);
    131     test(S("abcde"), s, 5, 0);
    132     test(S("abcde"), s, 5, 1);
    133     test(S("abcde"), s, 6, 0);
    134     test(S("abcdefghijklmnopqrst"), s, 0, 0);
    135     test(S("abcdefghijklmnopqrst"), s, 0, 1);
    136     test(S("abcdefghijklmnopqrst"), s, 0, 2);
    137     test(S("abcdefghijklmnopqrst"), s, 0, 10);
    138     test(S("abcdefghijklmnopqrst"), s, 0, 19);
    139     test(S("abcdefghijklmnopqrst"), s, 0, 20);
    140     test(S("abcdefghijklmnopqrst"), s, 0, 21);
    141     test(S("abcdefghijklmnopqrst"), s, 1, 0);
    142     test(S("abcdefghijklmnopqrst"), s, 1, 1);
    143     test(S("abcdefghijklmnopqrst"), s, 1, 2);
    144     test(S("abcdefghijklmnopqrst"), s, 1, 9);
    145     test(S("abcdefghijklmnopqrst"), s, 1, 18);
    146     test(S("abcdefghijklmnopqrst"), s, 1, 19);
    147     test(S("abcdefghijklmnopqrst"), s, 1, 20);
    148     test(S("abcdefghijklmnopqrst"), s, 2, 0);
    149     test(S("abcdefghijklmnopqrst"), s, 2, 1);
    150     test(S("abcdefghijklmnopqrst"), s, 2, 2);
    151     test(S("abcdefghijklmnopqrst"), s, 2, 9);
    152     test(S("abcdefghijklmnopqrst"), s, 2, 17);
    153     test(S("abcdefghijklmnopqrst"), s, 2, 18);
    154     test(S("abcdefghijklmnopqrst"), s, 2, 19);
    155     test(S("abcdefghijklmnopqrst"), s, 10, 0);
    156     test(S("abcdefghijklmnopqrst"), s, 10, 1);
    157     test(S("abcdefghijklmnopqrst"), s, 10, 2);
    158     test(S("abcdefghijklmnopqrst"), s, 10, 5);
    159     test(S("abcdefghijklmnopqrst"), s, 10, 9);
    160     test(S("abcdefghijklmnopqrst"), s, 10, 10);
    161     test(S("abcdefghijklmnopqrst"), s, 10, 11);
    162     test(S("abcdefghijklmnopqrst"), s, 19, 0);
    163     test(S("abcdefghijklmnopqrst"), s, 19, 1);
    164     test(S("abcdefghijklmnopqrst"), s, 19, 2);
    165     test(S("abcdefghijklmnopqrst"), s, 20, 0);
    166     test(S("abcdefghijklmnopqrst"), s, 20, 1);
    167     test(S("abcdefghijklmnopqrst"), s, 21, 0);
    168     }
    169 #endif
    170 }
    171