Home | History | Annotate | Download | only in string_replace 
      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 // basic_string<charT,traits,Allocator>&
     13 //   replace(const_iterator i1, const_iterator i2, const basic_string& str);
     14 
     15 #include <string>
     16 #include <algorithm>
     17 #include <cassert>
     18 
     19 #include "test_macros.h"
     20 #include "min_allocator.h"
     21 
     22 template <class S>
     23 void
     24 test(S s, typename S::size_type pos1, typename S::size_type n1, S str, S expected)
     25 {
     26     typename S::size_type old_size = s.size();
     27     typename S::const_iterator first = s.begin() + pos1;
     28     typename S::const_iterator last = s.begin() + pos1 + n1;
     29     typename S::size_type xlen = last - first;
     30     s.replace(first, last, str);
     31     LIBCPP_ASSERT(s.__invariants());
     32     assert(s == expected);
     33     typename S::size_type rlen = str.size();
     34     assert(s.size() == old_size - xlen + rlen);
     35 }
     36 
     37 template <class S>
     38 void test0()
     39 {
     40     test(S(""), 0, 0, S(""), S(""));
     41     test(S(""), 0, 0, S("12345"), S("12345"));
     42     test(S(""), 0, 0, S("1234567890"), S("1234567890"));
     43     test(S(""), 0, 0, S("12345678901234567890"), S("12345678901234567890"));
     44     test(S("abcde"), 0, 0, S(""), S("abcde"));
     45     test(S("abcde"), 0, 0, S("12345"), S("12345abcde"));
     46     test(S("abcde"), 0, 0, S("1234567890"), S("1234567890abcde"));
     47     test(S("abcde"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcde"));
     48     test(S("abcde"), 0, 1, S(""), S("bcde"));
     49     test(S("abcde"), 0, 1, S("12345"), S("12345bcde"));
     50     test(S("abcde"), 0, 1, S("1234567890"), S("1234567890bcde"));
     51     test(S("abcde"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcde"));
     52     test(S("abcde"), 0, 2, S(""), S("cde"));
     53     test(S("abcde"), 0, 2, S("12345"), S("12345cde"));
     54     test(S("abcde"), 0, 2, S("1234567890"), S("1234567890cde"));
     55     test(S("abcde"), 0, 2, S("12345678901234567890"), S("12345678901234567890cde"));
     56     test(S("abcde"), 0, 4, S(""), S("e"));
     57     test(S("abcde"), 0, 4, S("12345"), S("12345e"));
     58     test(S("abcde"), 0, 4, S("1234567890"), S("1234567890e"));
     59     test(S("abcde"), 0, 4, S("12345678901234567890"), S("12345678901234567890e"));
     60     test(S("abcde"), 0, 5, S(""), S(""));
     61     test(S("abcde"), 0, 5, S("12345"), S("12345"));
     62     test(S("abcde"), 0, 5, S("1234567890"), S("1234567890"));
     63     test(S("abcde"), 0, 5, S("12345678901234567890"), S("12345678901234567890"));
     64     test(S("abcde"), 1, 0, S(""), S("abcde"));
     65     test(S("abcde"), 1, 0, S("12345"), S("a12345bcde"));
     66     test(S("abcde"), 1, 0, S("1234567890"), S("a1234567890bcde"));
     67     test(S("abcde"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcde"));
     68     test(S("abcde"), 1, 1, S(""), S("acde"));
     69     test(S("abcde"), 1, 1, S("12345"), S("a12345cde"));
     70     test(S("abcde"), 1, 1, S("1234567890"), S("a1234567890cde"));
     71     test(S("abcde"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cde"));
     72     test(S("abcde"), 1, 2, S(""), S("ade"));
     73     test(S("abcde"), 1, 2, S("12345"), S("a12345de"));
     74     test(S("abcde"), 1, 2, S("1234567890"), S("a1234567890de"));
     75     test(S("abcde"), 1, 2, S("12345678901234567890"), S("a12345678901234567890de"));
     76     test(S("abcde"), 1, 3, S(""), S("ae"));
     77     test(S("abcde"), 1, 3, S("12345"), S("a12345e"));
     78     test(S("abcde"), 1, 3, S("1234567890"), S("a1234567890e"));
     79     test(S("abcde"), 1, 3, S("12345678901234567890"), S("a12345678901234567890e"));
     80     test(S("abcde"), 1, 4, S(""), S("a"));
     81     test(S("abcde"), 1, 4, S("12345"), S("a12345"));
     82     test(S("abcde"), 1, 4, S("1234567890"), S("a1234567890"));
     83     test(S("abcde"), 1, 4, S("12345678901234567890"), S("a12345678901234567890"));
     84     test(S("abcde"), 2, 0, S(""), S("abcde"));
     85     test(S("abcde"), 2, 0, S("12345"), S("ab12345cde"));
     86     test(S("abcde"), 2, 0, S("1234567890"), S("ab1234567890cde"));
     87     test(S("abcde"), 2, 0, S("12345678901234567890"), S("ab12345678901234567890cde"));
     88     test(S("abcde"), 2, 1, S(""), S("abde"));
     89     test(S("abcde"), 2, 1, S("12345"), S("ab12345de"));
     90     test(S("abcde"), 2, 1, S("1234567890"), S("ab1234567890de"));
     91     test(S("abcde"), 2, 1, S("12345678901234567890"), S("ab12345678901234567890de"));
     92     test(S("abcde"), 2, 2, S(""), S("abe"));
     93     test(S("abcde"), 2, 2, S("12345"), S("ab12345e"));
     94     test(S("abcde"), 2, 2, S("1234567890"), S("ab1234567890e"));
     95     test(S("abcde"), 2, 2, S("12345678901234567890"), S("ab12345678901234567890e"));
     96     test(S("abcde"), 2, 3, S(""), S("ab"));
     97     test(S("abcde"), 2, 3, S("12345"), S("ab12345"));
     98     test(S("abcde"), 2, 3, S("1234567890"), S("ab1234567890"));
     99     test(S("abcde"), 2, 3, S("12345678901234567890"), S("ab12345678901234567890"));
    100     test(S("abcde"), 4, 0, S(""), S("abcde"));
    101     test(S("abcde"), 4, 0, S("12345"), S("abcd12345e"));
    102     test(S("abcde"), 4, 0, S("1234567890"), S("abcd1234567890e"));
    103     test(S("abcde"), 4, 0, S("12345678901234567890"), S("abcd12345678901234567890e"));
    104     test(S("abcde"), 4, 1, S(""), S("abcd"));
    105     test(S("abcde"), 4, 1, S("12345"), S("abcd12345"));
    106     test(S("abcde"), 4, 1, S("1234567890"), S("abcd1234567890"));
    107     test(S("abcde"), 4, 1, S("12345678901234567890"), S("abcd12345678901234567890"));
    108     test(S("abcde"), 5, 0, S(""), S("abcde"));
    109     test(S("abcde"), 5, 0, S("12345"), S("abcde12345"));
    110     test(S("abcde"), 5, 0, S("1234567890"), S("abcde1234567890"));
    111     test(S("abcde"), 5, 0, S("12345678901234567890"), S("abcde12345678901234567890"));
    112     test(S("abcdefghij"), 0, 0, S(""), S("abcdefghij"));
    113     test(S("abcdefghij"), 0, 0, S("12345"), S("12345abcdefghij"));
    114     test(S("abcdefghij"), 0, 0, S("1234567890"), S("1234567890abcdefghij"));
    115     test(S("abcdefghij"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcdefghij"));
    116     test(S("abcdefghij"), 0, 1, S(""), S("bcdefghij"));
    117     test(S("abcdefghij"), 0, 1, S("12345"), S("12345bcdefghij"));
    118     test(S("abcdefghij"), 0, 1, S("1234567890"), S("1234567890bcdefghij"));
    119     test(S("abcdefghij"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcdefghij"));
    120     test(S("abcdefghij"), 0, 5, S(""), S("fghij"));
    121     test(S("abcdefghij"), 0, 5, S("12345"), S("12345fghij"));
    122     test(S("abcdefghij"), 0, 5, S("1234567890"), S("1234567890fghij"));
    123     test(S("abcdefghij"), 0, 5, S("12345678901234567890"), S("12345678901234567890fghij"));
    124     test(S("abcdefghij"), 0, 9, S(""), S("j"));
    125     test(S("abcdefghij"), 0, 9, S("12345"), S("12345j"));
    126     test(S("abcdefghij"), 0, 9, S("1234567890"), S("1234567890j"));
    127     test(S("abcdefghij"), 0, 9, S("12345678901234567890"), S("12345678901234567890j"));
    128     test(S("abcdefghij"), 0, 10, S(""), S(""));
    129     test(S("abcdefghij"), 0, 10, S("12345"), S("12345"));
    130     test(S("abcdefghij"), 0, 10, S("1234567890"), S("1234567890"));
    131     test(S("abcdefghij"), 0, 10, S("12345678901234567890"), S("12345678901234567890"));
    132     test(S("abcdefghij"), 1, 0, S(""), S("abcdefghij"));
    133     test(S("abcdefghij"), 1, 0, S("12345"), S("a12345bcdefghij"));
    134     test(S("abcdefghij"), 1, 0, S("1234567890"), S("a1234567890bcdefghij"));
    135     test(S("abcdefghij"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcdefghij"));
    136     test(S("abcdefghij"), 1, 1, S(""), S("acdefghij"));
    137     test(S("abcdefghij"), 1, 1, S("12345"), S("a12345cdefghij"));
    138     test(S("abcdefghij"), 1, 1, S("1234567890"), S("a1234567890cdefghij"));
    139     test(S("abcdefghij"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cdefghij"));
    140 }
    141 
    142 template <class S>
    143 void test1()
    144 {
    145     test(S("abcdefghij"), 1, 4, S(""), S("afghij"));
    146     test(S("abcdefghij"), 1, 4, S("12345"), S("a12345fghij"));
    147     test(S("abcdefghij"), 1, 4, S("1234567890"), S("a1234567890fghij"));
    148     test(S("abcdefghij"), 1, 4, S("12345678901234567890"), S("a12345678901234567890fghij"));
    149     test(S("abcdefghij"), 1, 8, S(""), S("aj"));
    150     test(S("abcdefghij"), 1, 8, S("12345"), S("a12345j"));
    151     test(S("abcdefghij"), 1, 8, S("1234567890"), S("a1234567890j"));
    152     test(S("abcdefghij"), 1, 8, S("12345678901234567890"), S("a12345678901234567890j"));
    153     test(S("abcdefghij"), 1, 9, S(""), S("a"));
    154     test(S("abcdefghij"), 1, 9, S("12345"), S("a12345"));
    155     test(S("abcdefghij"), 1, 9, S("1234567890"), S("a1234567890"));
    156     test(S("abcdefghij"), 1, 9, S("12345678901234567890"), S("a12345678901234567890"));
    157     test(S("abcdefghij"), 5, 0, S(""), S("abcdefghij"));
    158     test(S("abcdefghij"), 5, 0, S("12345"), S("abcde12345fghij"));
    159     test(S("abcdefghij"), 5, 0, S("1234567890"), S("abcde1234567890fghij"));
    160     test(S("abcdefghij"), 5, 0, S("12345678901234567890"), S("abcde12345678901234567890fghij"));
    161     test(S("abcdefghij"), 5, 1, S(""), S("abcdeghij"));
    162     test(S("abcdefghij"), 5, 1, S("12345"), S("abcde12345ghij"));
    163     test(S("abcdefghij"), 5, 1, S("1234567890"), S("abcde1234567890ghij"));
    164     test(S("abcdefghij"), 5, 1, S("12345678901234567890"), S("abcde12345678901234567890ghij"));
    165     test(S("abcdefghij"), 5, 2, S(""), S("abcdehij"));
    166     test(S("abcdefghij"), 5, 2, S("12345"), S("abcde12345hij"));
    167     test(S("abcdefghij"), 5, 2, S("1234567890"), S("abcde1234567890hij"));
    168     test(S("abcdefghij"), 5, 2, S("12345678901234567890"), S("abcde12345678901234567890hij"));
    169     test(S("abcdefghij"), 5, 4, S(""), S("abcdej"));
    170     test(S("abcdefghij"), 5, 4, S("12345"), S("abcde12345j"));
    171     test(S("abcdefghij"), 5, 4, S("1234567890"), S("abcde1234567890j"));
    172     test(S("abcdefghij"), 5, 4, S("12345678901234567890"), S("abcde12345678901234567890j"));
    173     test(S("abcdefghij"), 5, 5, S(""), S("abcde"));
    174     test(S("abcdefghij"), 5, 5, S("12345"), S("abcde12345"));
    175     test(S("abcdefghij"), 5, 5, S("1234567890"), S("abcde1234567890"));
    176     test(S("abcdefghij"), 5, 5, S("12345678901234567890"), S("abcde12345678901234567890"));
    177     test(S("abcdefghij"), 9, 0, S(""), S("abcdefghij"));
    178     test(S("abcdefghij"), 9, 0, S("12345"), S("abcdefghi12345j"));
    179     test(S("abcdefghij"), 9, 0, S("1234567890"), S("abcdefghi1234567890j"));
    180     test(S("abcdefghij"), 9, 0, S("12345678901234567890"), S("abcdefghi12345678901234567890j"));
    181     test(S("abcdefghij"), 9, 1, S(""), S("abcdefghi"));
    182     test(S("abcdefghij"), 9, 1, S("12345"), S("abcdefghi12345"));
    183     test(S("abcdefghij"), 9, 1, S("1234567890"), S("abcdefghi1234567890"));
    184     test(S("abcdefghij"), 9, 1, S("12345678901234567890"), S("abcdefghi12345678901234567890"));
    185     test(S("abcdefghij"), 10, 0, S(""), S("abcdefghij"));
    186     test(S("abcdefghij"), 10, 0, S("12345"), S("abcdefghij12345"));
    187     test(S("abcdefghij"), 10, 0, S("1234567890"), S("abcdefghij1234567890"));
    188     test(S("abcdefghij"), 10, 0, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
    189     test(S("abcdefghijklmnopqrst"), 0, 0, S(""), S("abcdefghijklmnopqrst"));
    190     test(S("abcdefghijklmnopqrst"), 0, 0, S("12345"), S("12345abcdefghijklmnopqrst"));
    191     test(S("abcdefghijklmnopqrst"), 0, 0, S("1234567890"), S("1234567890abcdefghijklmnopqrst"));
    192     test(S("abcdefghijklmnopqrst"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst"));
    193     test(S("abcdefghijklmnopqrst"), 0, 1, S(""), S("bcdefghijklmnopqrst"));
    194     test(S("abcdefghijklmnopqrst"), 0, 1, S("12345"), S("12345bcdefghijklmnopqrst"));
    195     test(S("abcdefghijklmnopqrst"), 0, 1, S("1234567890"), S("1234567890bcdefghijklmnopqrst"));
    196     test(S("abcdefghijklmnopqrst"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcdefghijklmnopqrst"));
    197     test(S("abcdefghijklmnopqrst"), 0, 10, S(""), S("klmnopqrst"));
    198     test(S("abcdefghijklmnopqrst"), 0, 10, S("12345"), S("12345klmnopqrst"));
    199     test(S("abcdefghijklmnopqrst"), 0, 10, S("1234567890"), S("1234567890klmnopqrst"));
    200     test(S("abcdefghijklmnopqrst"), 0, 10, S("12345678901234567890"), S("12345678901234567890klmnopqrst"));
    201     test(S("abcdefghijklmnopqrst"), 0, 19, S(""), S("t"));
    202     test(S("abcdefghijklmnopqrst"), 0, 19, S("12345"), S("12345t"));
    203     test(S("abcdefghijklmnopqrst"), 0, 19, S("1234567890"), S("1234567890t"));
    204     test(S("abcdefghijklmnopqrst"), 0, 19, S("12345678901234567890"), S("12345678901234567890t"));
    205     test(S("abcdefghijklmnopqrst"), 0, 20, S(""), S(""));
    206     test(S("abcdefghijklmnopqrst"), 0, 20, S("12345"), S("12345"));
    207     test(S("abcdefghijklmnopqrst"), 0, 20, S("1234567890"), S("1234567890"));
    208     test(S("abcdefghijklmnopqrst"), 0, 20, S("12345678901234567890"), S("12345678901234567890"));
    209     test(S("abcdefghijklmnopqrst"), 1, 0, S(""), S("abcdefghijklmnopqrst"));
    210     test(S("abcdefghijklmnopqrst"), 1, 0, S("12345"), S("a12345bcdefghijklmnopqrst"));
    211     test(S("abcdefghijklmnopqrst"), 1, 0, S("1234567890"), S("a1234567890bcdefghijklmnopqrst"));
    212     test(S("abcdefghijklmnopqrst"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst"));
    213     test(S("abcdefghijklmnopqrst"), 1, 1, S(""), S("acdefghijklmnopqrst"));
    214     test(S("abcdefghijklmnopqrst"), 1, 1, S("12345"), S("a12345cdefghijklmnopqrst"));
    215     test(S("abcdefghijklmnopqrst"), 1, 1, S("1234567890"), S("a1234567890cdefghijklmnopqrst"));
    216     test(S("abcdefghijklmnopqrst"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cdefghijklmnopqrst"));
    217     test(S("abcdefghijklmnopqrst"), 1, 9, S(""), S("aklmnopqrst"));
    218     test(S("abcdefghijklmnopqrst"), 1, 9, S("12345"), S("a12345klmnopqrst"));
    219     test(S("abcdefghijklmnopqrst"), 1, 9, S("1234567890"), S("a1234567890klmnopqrst"));
    220     test(S("abcdefghijklmnopqrst"), 1, 9, S("12345678901234567890"), S("a12345678901234567890klmnopqrst"));
    221     test(S("abcdefghijklmnopqrst"), 1, 18, S(""), S("at"));
    222     test(S("abcdefghijklmnopqrst"), 1, 18, S("12345"), S("a12345t"));
    223     test(S("abcdefghijklmnopqrst"), 1, 18, S("1234567890"), S("a1234567890t"));
    224     test(S("abcdefghijklmnopqrst"), 1, 18, S("12345678901234567890"), S("a12345678901234567890t"));
    225     test(S("abcdefghijklmnopqrst"), 1, 19, S(""), S("a"));
    226     test(S("abcdefghijklmnopqrst"), 1, 19, S("12345"), S("a12345"));
    227     test(S("abcdefghijklmnopqrst"), 1, 19, S("1234567890"), S("a1234567890"));
    228     test(S("abcdefghijklmnopqrst"), 1, 19, S("12345678901234567890"), S("a12345678901234567890"));
    229     test(S("abcdefghijklmnopqrst"), 10, 0, S(""), S("abcdefghijklmnopqrst"));
    230     test(S("abcdefghijklmnopqrst"), 10, 0, S("12345"), S("abcdefghij12345klmnopqrst"));
    231     test(S("abcdefghijklmnopqrst"), 10, 0, S("1234567890"), S("abcdefghij1234567890klmnopqrst"));
    232     test(S("abcdefghijklmnopqrst"), 10, 0, S("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst"));
    233     test(S("abcdefghijklmnopqrst"), 10, 1, S(""), S("abcdefghijlmnopqrst"));
    234     test(S("abcdefghijklmnopqrst"), 10, 1, S("12345"), S("abcdefghij12345lmnopqrst"));
    235     test(S("abcdefghijklmnopqrst"), 10, 1, S("1234567890"), S("abcdefghij1234567890lmnopqrst"));
    236     test(S("abcdefghijklmnopqrst"), 10, 1, S("12345678901234567890"), S("abcdefghij12345678901234567890lmnopqrst"));
    237     test(S("abcdefghijklmnopqrst"), 10, 5, S(""), S("abcdefghijpqrst"));
    238     test(S("abcdefghijklmnopqrst"), 10, 5, S("12345"), S("abcdefghij12345pqrst"));
    239     test(S("abcdefghijklmnopqrst"), 10, 5, S("1234567890"), S("abcdefghij1234567890pqrst"));
    240     test(S("abcdefghijklmnopqrst"), 10, 5, S("12345678901234567890"), S("abcdefghij12345678901234567890pqrst"));
    241     test(S("abcdefghijklmnopqrst"), 10, 9, S(""), S("abcdefghijt"));
    242     test(S("abcdefghijklmnopqrst"), 10, 9, S("12345"), S("abcdefghij12345t"));
    243     test(S("abcdefghijklmnopqrst"), 10, 9, S("1234567890"), S("abcdefghij1234567890t"));
    244     test(S("abcdefghijklmnopqrst"), 10, 9, S("12345678901234567890"), S("abcdefghij12345678901234567890t"));
    245 }
    246 
    247 template <class S>
    248 void test2()
    249 {
    250     test(S("abcdefghijklmnopqrst"), 10, 10, S(""), S("abcdefghij"));
    251     test(S("abcdefghijklmnopqrst"), 10, 10, S("12345"), S("abcdefghij12345"));
    252     test(S("abcdefghijklmnopqrst"), 10, 10, S("1234567890"), S("abcdefghij1234567890"));
    253     test(S("abcdefghijklmnopqrst"), 10, 10, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
    254     test(S("abcdefghijklmnopqrst"), 19, 0, S(""), S("abcdefghijklmnopqrst"));
    255     test(S("abcdefghijklmnopqrst"), 19, 0, S("12345"), S("abcdefghijklmnopqrs12345t"));
    256     test(S("abcdefghijklmnopqrst"), 19, 0, S("1234567890"), S("abcdefghijklmnopqrs1234567890t"));
    257     test(S("abcdefghijklmnopqrst"), 19, 0, S("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t"));
    258     test(S("abcdefghijklmnopqrst"), 19, 1, S(""), S("abcdefghijklmnopqrs"));
    259     test(S("abcdefghijklmnopqrst"), 19, 1, S("12345"), S("abcdefghijklmnopqrs12345"));
    260     test(S("abcdefghijklmnopqrst"), 19, 1, S("1234567890"), S("abcdefghijklmnopqrs1234567890"));
    261     test(S("abcdefghijklmnopqrst"), 19, 1, S("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890"));
    262     test(S("abcdefghijklmnopqrst"), 20, 0, S(""), S("abcdefghijklmnopqrst"));
    263     test(S("abcdefghijklmnopqrst"), 20, 0, S("12345"), S("abcdefghijklmnopqrst12345"));
    264     test(S("abcdefghijklmnopqrst"), 20, 0, S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
    265     test(S("abcdefghijklmnopqrst"), 20, 0, S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
    266 }
    267 
    268 int main()
    269 {
    270     {
    271     typedef std::string S;
    272     test0<S>();
    273     test1<S>();
    274     test2<S>();
    275     }
    276 #if TEST_STD_VER >= 11
    277     {
    278     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
    279     test0<S>();
    280     test1<S>();
    281     test2<S>();
    282     }
    283 #endif
    284 }
    285