tests/test_string.c

Thu, 28 Dec 2023 20:37:53 +0100

author
Mike Becker <universe@uap-core.de>
date
Thu, 28 Dec 2023 20:37:53 +0100
changeset 777
e5b29e6f0615
child 806
e06249e09f99
permissions
-rw-r--r--

migrate string tests - relates to #342

     1 /*
     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3  *
     4  * Copyright 2023 Mike Becker, Olaf Wintermann All rights reserved.
     5  *
     6  * Redistribution and use in source and binary forms, with or without
     7  * modification, are permitted provided that the following conditions are met:
     8  *
     9  *   1. Redistributions of source code must retain the above copyright
    10  *      notice, this list of conditions and the following disclaimer.
    11  *
    12  *   2. Redistributions in binary form must reproduce the above copyright
    13  *      notice, this list of conditions and the following disclaimer in the
    14  *      documentation and/or other materials provided with the distribution.
    15  *
    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    26  * POSSIBILITY OF SUCH DAMAGE.
    27  */
    29 #include "cx/test.h"
    30 #include "util_allocator.h"
    32 #include "cx/string.h"
    34 #define ASSERT_ZERO_TERMINATED(str) CX_TEST_ASSERTM((str).ptr[(str).length] == '\0', \
    35     #str " is not zero terminated")
    37 CX_TEST(test_string_construct) {
    38     cxstring s1 = CX_STR("1234");
    39     cxstring s2 = cx_strn("abcd", 2);
    40     cxmutstr s3 = cx_mutstr((char *) "1234");
    41     cxmutstr s4 = cx_mutstrn((char *) "abcd", 2);
    42     CX_TEST_DO {
    43         CX_TEST_ASSERT(s1.length == 4);
    44         CX_TEST_ASSERT(strncmp(s1.ptr, "1234", 4) == 0);
    45         CX_TEST_ASSERT(s2.length == 2);
    46         CX_TEST_ASSERT(strncmp(s2.ptr, "ab", 2) == 0);
    47         CX_TEST_ASSERT(s3.length == 4);
    48         CX_TEST_ASSERT(strncmp(s3.ptr, "1234", 4) == 0);
    49         CX_TEST_ASSERT(s4.length == 2);
    50         CX_TEST_ASSERT(strncmp(s4.ptr, "ab", 2) == 0);
    51     }
    52 }
    54 CX_TEST(test_strfree) {
    55     CxTestingAllocator talloc;
    56     cx_testing_allocator_init(&talloc);
    57     CxAllocator *alloc = &talloc.base;
    58     CX_TEST_DO {
    59         char *test = cxMalloc(alloc, 16);
    60         cxmutstr str = cx_mutstrn(test, 16);
    61         CX_TEST_ASSERT(str.ptr == test);
    62         CX_TEST_ASSERT(str.length == 16);
    63         cx_strfree_a(alloc, &str);
    64         CX_TEST_ASSERT(str.ptr == NULL);
    65         CX_TEST_ASSERT(str.length == 0);
    66         CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
    67     }
    68     cx_testing_allocator_destroy(&talloc);
    69 }
    71 CX_TEST(test_strdup) {
    72     cxstring str = CX_STR("test");
    73     cxmutstr dup = cx_strdup(str);
    74     CX_TEST_DO {
    75         CX_TEST_ASSERT(dup.length == str.length);
    76         CX_TEST_ASSERT(0 == strcmp(dup.ptr, str.ptr));
    77         ASSERT_ZERO_TERMINATED(dup);
    78     }
    79     cx_strfree(&dup);
    80 }
    82 CX_TEST(test_strdup_shortened) {
    83     cxstring str = CX_STR("test");
    84     str.length = 2;
    85     cxmutstr dup = cx_strdup(str);
    86     CX_TEST_DO {
    87         CX_TEST_ASSERT(dup.length == str.length);
    88         CX_TEST_ASSERT(0 == strcmp(dup.ptr, "te"));
    89         ASSERT_ZERO_TERMINATED(dup);
    90     }
    91     cx_strfree(&dup);
    92 }
    94 CX_TEST(test_strlen) {
    95     cxstring s1 = CX_STR("1234");
    96     cxstring s2 = CX_STR(".:.:.");
    97     cxstring s3 = CX_STR("X");
    98     CX_TEST_DO {
    99         size_t len0 = cx_strlen(0);
   100         size_t len1 = cx_strlen(1, s1);
   101         size_t len2 = cx_strlen(2, s1, s2);
   102         size_t len3 = cx_strlen(3, s1, s2, s3);
   104         CX_TEST_ASSERT(len0 == 0);
   105         CX_TEST_ASSERT(len1 == 4);
   106         CX_TEST_ASSERT(len2 == 9);
   107         CX_TEST_ASSERT(len3 == 10);
   108     }
   109 }
   111 CX_TEST(test_strsubs) {
   112     cxstring str = CX_STR("A test string");
   114     CX_TEST_DO {
   115         cxstring sub = cx_strsubs(str, 0);
   116         CX_TEST_ASSERT(0 == cx_strcmp(sub, str));
   118         sub = cx_strsubs(str, 2);
   119         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("test string")));
   121         sub = cx_strsubs(str, 7);
   122         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("string")));
   124         sub = cx_strsubs(str, 15);
   125         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("")));
   127         sub = cx_strsubsl(str, 2, 4);
   128         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("test")));
   130         sub = cx_strsubsl(str, 7, 3);
   131         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("str")));
   133         sub = cx_strsubsl(str, 7, 20);
   134         CX_TEST_ASSERT(0 == cx_strcmp(sub, CX_STR("string")));
   136         // just for coverage, call the _m variant
   137         cxmutstr m = cx_strsubs_m(cx_mutstrn(NULL, 0), 0);
   138         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(m), CX_STR("")));
   139     }
   140 }
   142 CX_TEST(test_strchr) {
   143     cxstring str = CX_STR("I will find you - and I will kill you");
   145     CX_TEST_DO {
   146         cxstring notfound = cx_strchr(str, 'x');
   147         CX_TEST_ASSERT(notfound.length == 0);
   149         cxstring result = cx_strchr(str, 'w');
   150         CX_TEST_ASSERT(result.length == 35);
   151         CX_TEST_ASSERT(0 == strcmp(result.ptr, "will find you - and I will kill you"));
   153         // just for coverage, call the _m variant
   154         cxmutstr m = cx_strchr_m(cx_mutstrn(NULL, 0), 'a');
   155         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(m), CX_STR("")));
   156     }
   157 }
   159 CX_TEST(test_strrchr) {
   160     cxstring str = CX_STR("I will find you - and I will kill you");
   162     CX_TEST_DO {
   163         cxstring notfound = cx_strrchr(str, 'x');
   164         CX_TEST_ASSERT(notfound.length == 0);
   166         cxstring result = cx_strrchr(str, 'w');
   167         CX_TEST_ASSERT(result.length == 13);
   168         CX_TEST_ASSERT(0 == strcmp(result.ptr, "will kill you"));
   170         // just for coverage, call the _m variant
   171         cxmutstr m = cx_strrchr_m(cx_mutstrn(NULL, 0), 'a');
   172         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(m), CX_STR("")));
   173     }
   174 }
   176 CX_TEST(test_strstr) {
   177     cxstring str = CX_STR("find the match in this string");
   178     cxstring longstr = CX_STR(
   179             "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl"
   180             "mnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx"
   181             "yzabcdeababababnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghij"
   182             "klmnopqrstuvwxyzaababababababababrstuvwxyzabcdefghijklmnopqrstuv"
   183             "abababababababababababababababababababababababababababababababab"
   184             "abababababababababababababababababababababababababababababababab"
   185             "abababababababababababababababababababababababababababababababab"
   186             "abababababababababababababababababababababababababababababababab"
   187             "abababababababababababababababababababababababababababababababab"
   188             "abababababababababababababababababababababababababababababababab"
   189             "wxyz1234567890");
   190     cxstring longstrpattern = CX_STR(
   191             "abababababababababababababababababababababababababababababababab"
   192             "abababababababababababababababababababababababababababababababab"
   193             "abababababababababababababababababababababababababababababababab"
   194             "abababababababababababababababababababababababababababababababab"
   195             "abababababababababababababababababababababababababababababababab"
   196     );
   197     cxstring longstrresult = CX_STR(
   198             "abababababababababababababababababababababababababababababababab"
   199             "abababababababababababababababababababababababababababababababab"
   200             "abababababababababababababababababababababababababababababababab"
   201             "abababababababababababababababababababababababababababababababab"
   202             "abababababababababababababababababababababababababababababababab"
   203             "abababababababababababababababababababababababababababababababab"
   204             "wxyz1234567890"
   205     );
   207     CX_TEST_DO {
   208         cxstring notfound = cx_strstr(str, CX_STR("no match"));
   209         CX_TEST_ASSERT(notfound.length == 0);
   211         cxstring result = cx_strstr(str, CX_STR("match"));
   212         CX_TEST_ASSERT(result.length == 20);
   213         CX_TEST_ASSERT(0 == strcmp(result.ptr, "match in this string"));
   215         result = cx_strstr(str, CX_STR(""));
   216         CX_TEST_ASSERT(result.length == str.length);
   217         CX_TEST_ASSERT(0 == strcmp(result.ptr, str.ptr));
   219         result = cx_strstr(longstr, longstrpattern);
   220         CX_TEST_ASSERT(result.length == longstrresult.length);
   221         CX_TEST_ASSERT(0 == strcmp(result.ptr, longstrresult.ptr));
   223         // just for coverage, call the _m variant
   224         cxmutstr mstr = cx_strdup(longstr);
   225         cxmutstr m = cx_strstr_m(mstr, longstrpattern);
   226         CX_TEST_ASSERT(m.length == longstrresult.length);
   227         CX_TEST_ASSERT(0 == strcmp(m.ptr, longstrresult.ptr));
   228         cx_strfree(&mstr);
   229     }
   230 }
   232 CX_TEST(test_strcmp) {
   233     cxstring str = CX_STR("compare this");
   234     CX_TEST_DO {
   235         CX_TEST_ASSERT(0 == cx_strcmp(CX_STR(""), CX_STR("")));
   236         CX_TEST_ASSERT(0 < cx_strcmp(str, CX_STR("")));
   237         CX_TEST_ASSERT(0 == cx_strcmp(str, CX_STR("compare this")));
   238         CX_TEST_ASSERT(0 != cx_strcmp(str, CX_STR("Compare This")));
   239         CX_TEST_ASSERT(0 > cx_strcmp(str, CX_STR("compare tool")));
   240         CX_TEST_ASSERT(0 < cx_strcmp(str, CX_STR("compare shit")));
   241         CX_TEST_ASSERT(0 > cx_strcmp(str, CX_STR("compare this not")));
   242         CX_TEST_ASSERT(0 < cx_strcmp(str, CX_STR("compare")));
   244         cxstring str2 = CX_STR("Compare This");
   245         CX_TEST_ASSERT(0 != cx_strcmp_p(&str, &str2));
   246         str2 = CX_STR("compare this");
   247         CX_TEST_ASSERT(0 == cx_strcmp_p(&str, &str2));
   248     }
   249 }
   251 CX_TEST(test_strcasecmp) {
   252     cxstring str = CX_STR("compare this");
   253     CX_TEST_DO {
   254         CX_TEST_ASSERT(0 == cx_strcasecmp(CX_STR(""), CX_STR("")));
   255         CX_TEST_ASSERT(0 < cx_strcasecmp(str, CX_STR("")));
   256         CX_TEST_ASSERT(0 == cx_strcasecmp(str, CX_STR("compare this")));
   257         CX_TEST_ASSERT(0 == cx_strcasecmp(str, CX_STR("Compare This")));
   258         CX_TEST_ASSERT(0 > cx_strcasecmp(str, CX_STR("compare tool")));
   259         CX_TEST_ASSERT(0 < cx_strcasecmp(str, CX_STR("compare shit")));
   260         CX_TEST_ASSERT(0 > cx_strcasecmp(str, CX_STR("compare this not")));
   261         CX_TEST_ASSERT(0 < cx_strcasecmp(str, CX_STR("compare")));
   263         cxstring str2 = CX_STR("Compare This");
   264         CX_TEST_ASSERT(0 == cx_strcasecmp_p(&str, &str2));
   265         str2 = CX_STR("Compare Tool");
   266         CX_TEST_ASSERT(0 > cx_strcasecmp_p(&str, &str2));
   267     }
   268 }
   270 CX_TEST(test_strcat) {
   271     cxstring s1 = CX_STR("12");
   272     cxstring s2 = CX_STR("34");
   273     cxstring s3 = CX_STR("56");
   274     cxstring sn = {NULL, 0};
   276     CxTestingAllocator talloc;
   277     cx_testing_allocator_init(&talloc);
   278     CxAllocator *alloc = &talloc.base;
   280     CX_TEST_DO {
   281         cxmutstr t1 = cx_strcat_a(alloc, 2, s1, s2);
   282         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t1), CX_STR("1234")));
   283         ASSERT_ZERO_TERMINATED(t1);
   284         cx_strfree_a(alloc, &t1);
   286         cxmutstr t2 = cx_strcat_a(alloc, 3, s1, s2, s3);
   287         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t2), CX_STR("123456")));
   288         ASSERT_ZERO_TERMINATED(t2);
   289         cx_strfree_a(alloc, &t2);
   291         cxmutstr t3 = cx_strcat_a(alloc, 6, s1, sn, s2, sn, s3, sn);
   292         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t3), CX_STR("123456")));
   293         ASSERT_ZERO_TERMINATED(t3);
   294         cx_strfree_a(alloc, &t3);
   296         cxmutstr t4 = cx_strcat_a(alloc, 2, sn, sn);
   297         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t4), CX_STR("")));
   298         ASSERT_ZERO_TERMINATED(t4);
   299         cx_strfree_a(alloc, &t4);
   301         CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
   303         // use the macro
   304         cxmutstr t5 = cx_strcat(3, s3, s1, s2);
   305         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t5), CX_STR("561234")));
   306         ASSERT_ZERO_TERMINATED(t5);
   307         cx_strfree(&t5);
   309         // use an initial string
   310         cxmutstr t6 = cx_strdup(CX_STR("Hello"));
   311         t6 = cx_strcat_m(t6, 2, CX_STR(", "), CX_STR("World!"));
   312         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(t6), CX_STR("Hello, World!")));
   313         ASSERT_ZERO_TERMINATED(t6);
   314         cx_strfree(&t6);
   315     }
   316     cx_testing_allocator_destroy(&talloc);
   317 }
   319 CX_TEST(test_strsplit) {
   320     cxstring test = CX_STR("this,is,a,csv,string");
   321     size_t capa = 8;
   322     cxstring list[8];
   323     size_t n;
   324     CX_TEST_DO {
   325         // special case: empty string
   326         n = cx_strsplit(test, CX_STR(""), capa, list);
   327         CX_TEST_ASSERT(n == 1);
   328         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   330         // no delimiter occurrence
   331         n = cx_strsplit(test, CX_STR("z"), capa, list);
   332         CX_TEST_ASSERT(n == 1);
   333         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   335         // partially matching delimiter
   336         n = cx_strsplit(test, CX_STR("is,not"), capa, list);
   337         CX_TEST_ASSERT(n == 1);
   338         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   340         // matching single-char delimiter
   341         n = cx_strsplit(test, CX_STR(","), capa, list);
   342         CX_TEST_ASSERT(n == 5);
   343         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this")));
   344         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("is")));
   345         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a")));
   346         CX_TEST_ASSERT(0 == cx_strcmp(list[3], CX_STR("csv")));
   347         CX_TEST_ASSERT(0 == cx_strcmp(list[4], CX_STR("string")));
   349         // matching multi-char delimiter
   350         n = cx_strsplit(test, CX_STR("is"), capa, list);
   351         CX_TEST_ASSERT(n == 3);
   352         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   353         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",")));
   354         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR(",a,csv,string")));
   356         // bounded list using single-char delimiter
   357         n = cx_strsplit(test, CX_STR(","), 3, list);
   358         CX_TEST_ASSERT(n == 3);
   359         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this")));
   360         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("is")));
   361         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a,csv,string")));
   363         // bounded list using multi-char delimiter
   364         n = cx_strsplit(test, CX_STR("is"), 2, list);
   365         CX_TEST_ASSERT(n == 2);
   366         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   367         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",is,a,csv,string")));
   369         // start with delimiter
   370         n = cx_strsplit(test, CX_STR("this"), capa, list);
   371         CX_TEST_ASSERT(n == 2);
   372         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("")));
   373         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",is,a,csv,string")));
   375         // end with delimiter
   376         n = cx_strsplit(test, CX_STR("string"), capa, list);
   377         CX_TEST_ASSERT(n == 2);
   378         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this,is,a,csv,")));
   379         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   382         // end with delimiter exceed bound
   383         n = cx_strsplit(CX_STR("a,b,c,"), CX_STR(","), 3, list);
   384         CX_TEST_ASSERT(n == 3);
   385         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("a")));
   386         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("b")));
   387         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("c,")));
   389         // exact match
   390         n = cx_strsplit(test, CX_STR("this,is,a,csv,string"), capa, list);
   391         CX_TEST_ASSERT(n == 2);
   392         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("")));
   393         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   395         // string to be split is only substring
   396         n = cx_strsplit(test, CX_STR("this,is,a,csv,string,with,extension"), capa, list);
   397         CX_TEST_ASSERT(n == 1);
   398         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   400         // subsequent encounter of delimiter (the string between is empty)
   401         n = cx_strsplit(test, CX_STR("is,"), capa, list);
   402         CX_TEST_ASSERT(n == 3);
   403         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   404         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   405         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a,csv,string")));
   407         // call the _m variant just for coverage
   408         cxmutstr mtest = cx_strdup(test);
   409         cxmutstr mlist[4];
   410         n = cx_strsplit_m(mtest, CX_STR("is,"), 4, mlist);
   411         CX_TEST_ASSERT(n == 3);
   412         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[0]), CX_STR("th")));
   413         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[1]), CX_STR("")));
   414         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[2]), CX_STR("a,csv,string")));
   415         cx_strfree(&mtest);
   416     }
   417 }
   419 CX_TEST(test_strsplit_a) {
   420     CxTestingAllocator talloc;
   421     cx_testing_allocator_init(&talloc);
   422     CxAllocator *alloc = &talloc.base;
   424     cxstring test = CX_STR("this,is,a,csv,string");
   425     size_t capa = 8;
   426     cxstring *list;
   427     size_t n;
   428     CX_TEST_DO {
   429         // special case: empty string
   430         n = cx_strsplit_a(alloc, test, CX_STR(""), capa, &list);
   431         CX_TEST_ASSERT(n == 1);
   432         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   433         cxFree(alloc, list);
   435         // no delimiter occurrence
   436         n = cx_strsplit_a(alloc, test, CX_STR("z"), capa, &list);
   437         CX_TEST_ASSERT(n == 1);
   438         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   439         cxFree(alloc, list);
   441         // partially matching delimiter
   442         n = cx_strsplit_a(alloc, test, CX_STR("is,not"), capa, &list);
   443         CX_TEST_ASSERT(n == 1);
   444         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   445         cxFree(alloc, list);
   447         // matching single-char delimiter
   448         n = cx_strsplit_a(alloc, test, CX_STR(","), capa, &list);
   449         CX_TEST_ASSERT(n == 5);
   450         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this")));
   451         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("is")));
   452         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a")));
   453         CX_TEST_ASSERT(0 == cx_strcmp(list[3], CX_STR("csv")));
   454         CX_TEST_ASSERT(0 == cx_strcmp(list[4], CX_STR("string")));
   455         cxFree(alloc, list);
   457         // matching multi-char delimiter
   458         n = cx_strsplit_a(alloc, test, CX_STR("is"), capa, &list);
   459         CX_TEST_ASSERT(n == 3);
   460         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   461         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",")));
   462         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR(",a,csv,string")));
   463         cxFree(alloc, list);
   465         // bounded list using single-char delimiter
   466         n = cx_strsplit_a(alloc, test, CX_STR(","), 3, &list);
   467         CX_TEST_ASSERT(n == 3);
   468         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this")));
   469         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("is")));
   470         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a,csv,string")));
   471         cxFree(alloc, list);
   473         // bounded list using multi-char delimiter
   474         n = cx_strsplit_a(alloc, test, CX_STR("is"), 2, &list);
   475         CX_TEST_ASSERT(n == 2);
   476         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   477         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",is,a,csv,string")));
   478         cxFree(alloc, list);
   480         // start with delimiter
   481         n = cx_strsplit_a(alloc, test, CX_STR("this"), capa, &list);
   482         CX_TEST_ASSERT(n == 2);
   483         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("")));
   484         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR(",is,a,csv,string")));
   485         cxFree(alloc, list);
   487         // end with delimiter
   488         n = cx_strsplit_a(alloc, test, CX_STR("string"), capa, &list);
   489         CX_TEST_ASSERT(n == 2);
   490         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("this,is,a,csv,")));
   491         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   492         cxFree(alloc, list);
   494         // end with delimiter exceed bound
   495         n = cx_strsplit_a(alloc, CX_STR("a,b,c,"), CX_STR(","), 3, &list);
   496         CX_TEST_ASSERT(n == 3);
   497         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("a")));
   498         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("b")));
   499         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("c,")));
   500         cxFree(alloc, list);
   502         // exact match
   503         n = cx_strsplit_a(alloc, test, CX_STR("this,is,a,csv,string"), capa, &list);
   504         CX_TEST_ASSERT(n == 2);
   505         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("")));
   506         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   507         cxFree(alloc, list);
   509         // string to be split is only substring
   510         n = cx_strsplit_a(alloc, test, CX_STR("this,is,a,csv,string,with,extension"), capa, &list);
   511         CX_TEST_ASSERT(n == 1);
   512         CX_TEST_ASSERT(0 == cx_strcmp(list[0], test));
   513         cxFree(alloc, list);
   515         // subsequent encounter of delimiter (the string between is empty)
   516         n = cx_strsplit_a(alloc, test, CX_STR("is,"), capa, &list);
   517         CX_TEST_ASSERT(n == 3);
   518         CX_TEST_ASSERT(0 == cx_strcmp(list[0], CX_STR("th")));
   519         CX_TEST_ASSERT(0 == cx_strcmp(list[1], CX_STR("")));
   520         CX_TEST_ASSERT(0 == cx_strcmp(list[2], CX_STR("a,csv,string")));
   521         cxFree(alloc, list);
   523         // call the _m variant just for coverage
   524         cxmutstr mtest = cx_strdup(test);
   525         cxmutstr *mlist;
   526         n = cx_strsplit_ma(alloc, mtest, CX_STR("is,"), 4, &mlist);
   527         CX_TEST_ASSERT(n == 3);
   528         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[0]), CX_STR("th")));
   529         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[1]), CX_STR("")));
   530         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(mlist[2]), CX_STR("a,csv,string")));
   531         cxFree(alloc, mlist);
   532         cx_strfree(&mtest);
   534         CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
   535     }
   536     cx_testing_allocator_destroy(&talloc);
   537 }
   539 CX_TEST(test_strtrim) {
   540     cxstring t1 = cx_strtrim(CX_STR("  ein test  \t "));
   541     cxstring t2 = cx_strtrim(CX_STR("abc"));
   542     cxstring t3 = cx_strtrim(CX_STR(" 123"));
   543     cxstring t4 = cx_strtrim(CX_STR("xyz "));
   544     cxstring t5 = cx_strtrim(CX_STR("   "));
   545     cxstring empty = cx_strtrim(CX_STR(""));
   547     CX_TEST_DO {
   548         CX_TEST_ASSERT(0 == cx_strcmp(t1, CX_STR("ein test")));
   549         CX_TEST_ASSERT(0 == cx_strcmp(t2, CX_STR("abc")));
   550         CX_TEST_ASSERT(0 == cx_strcmp(t3, CX_STR("123")));
   551         CX_TEST_ASSERT(0 == cx_strcmp(t4, CX_STR("xyz")));
   552         CX_TEST_ASSERT(0 == cx_strcmp(t5, CX_STR("")));
   553         CX_TEST_ASSERT(0 == cx_strcmp(empty, CX_STR("")));
   555         // call the _m variant just for coverage
   556         cxmutstr m1 = cx_strtrim_m(cx_mutstr((char *) "  ein test  \t "));
   557         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(m1), CX_STR("ein test")));
   558     }
   559 }
   561 CX_TEST(test_strprefix) {
   562     cxstring str = CX_STR("test my prefix and my suffix");
   563     cxstring empty = CX_STR("");
   564     CX_TEST_DO {
   565         CX_TEST_ASSERT(!cx_strprefix(empty, CX_STR("pref")));
   566         CX_TEST_ASSERT(cx_strprefix(str, empty));
   567         CX_TEST_ASSERT(cx_strprefix(empty, empty));
   568         CX_TEST_ASSERT(cx_strprefix(str, CX_STR("test ")));
   569         CX_TEST_ASSERT(!cx_strprefix(str, CX_STR("8-) fsck ")));
   570     }
   571 }
   573 CX_TEST(test_strsuffix) {
   574     cxstring str = CX_STR("test my prefix and my suffix");
   575     cxstring empty = CX_STR("");
   576     CX_TEST_DO {
   577         CX_TEST_ASSERT(!cx_strsuffix(empty, CX_STR("suf")));
   578         CX_TEST_ASSERT(cx_strsuffix(str, empty));
   579         CX_TEST_ASSERT(cx_strsuffix(empty, empty));
   580         CX_TEST_ASSERT(cx_strsuffix(str, CX_STR("fix")));
   581         CX_TEST_ASSERT(!cx_strsuffix(str, CX_STR("fox")));
   582     }
   583 }
   585 CX_TEST(test_strcaseprefix) {
   586     cxstring str = CX_STR("test my prefix and my suffix");
   587     cxstring empty = CX_STR("");
   588     CX_TEST_DO {
   589         CX_TEST_ASSERT(!cx_strcaseprefix(empty, CX_STR("pREf")));
   590         CX_TEST_ASSERT(cx_strcaseprefix(str, empty));
   591         CX_TEST_ASSERT(cx_strcaseprefix(empty, empty));
   592         CX_TEST_ASSERT(cx_strcaseprefix(str, CX_STR("TEST ")));
   593         CX_TEST_ASSERT(!cx_strcaseprefix(str, CX_STR("8-) fsck ")));
   594     }
   595 }
   597 CX_TEST(test_strcasesuffix) {
   598     cxstring str = CX_STR("test my prefix and my suffix");
   599     cxstring empty = CX_STR("");
   600     CX_TEST_DO {
   601         CX_TEST_ASSERT(!cx_strcasesuffix(empty, CX_STR("sUf")));
   602         CX_TEST_ASSERT(cx_strcasesuffix(str, empty));
   603         CX_TEST_ASSERT(cx_strcasesuffix(empty, empty));
   604         CX_TEST_ASSERT(cx_strcasesuffix(str, CX_STR("FIX")));
   605         CX_TEST_ASSERT(!cx_strcasesuffix(str, CX_STR("fox")));
   606     }
   607 }
   609 CX_TEST(test_strreplace) {
   610     CxTestingAllocator talloc;
   611     cx_testing_allocator_init(&talloc);
   612     CxAllocator *alloc = &talloc.base;
   614     cxstring str = CX_STR("test ababab string aba");
   615     cxstring longstr = CX_STR(
   616             "xyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaacd");
   617     cxstring notrail = CX_STR("test abab");
   618     cxstring empty = CX_STR("");
   619     cxstring astr = CX_STR("aaaaaaaaaa");
   620     cxstring csstr = CX_STR("test AB ab TEST xyz");
   622     cxmutstr repl = cx_strreplace(str, CX_STR("abab"), CX_STR("muchlonger"));
   623     char const *expected = "test muchlongerab string aba";
   625     cxmutstr repln = cx_strreplacen(str, CX_STR("ab"), CX_STR("c"), 2);
   626     char const *expectedn = "test ccab string aba";
   628     cxmutstr longrepl = cx_strreplace(longstr, CX_STR("a"), CX_STR("z"));
   629     char const *longexpect = "xyzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzcd";
   631     cxmutstr replnotrail = cx_strreplace(notrail, CX_STR("ab"), CX_STR("z"));
   632     char const *notrailexpect = "test zz";
   634     cxmutstr repleq = cx_strreplace(str, str, CX_STR("hello"));
   635     char const *eqexpect = "hello";
   637     cxmutstr replempty1 = cx_strreplace(empty, CX_STR("ab"), CX_STR("c")); // expect: empty
   638     cxmutstr replempty2 = cx_strreplace(str, CX_STR("abab"), empty);
   639     char const *emptyexpect2 = "test ab string aba";
   641     cxmutstr replpre = cx_strreplace(str, CX_STR("test "), CX_STR("TEST "));
   642     char const *preexpected = "TEST ababab string aba";
   644     cxmutstr replan1 = cx_strreplacen(astr, CX_STR("a"), CX_STR("x"), 1);
   645     char const *an1expected = "xaaaaaaaaa";
   647     cxmutstr replan4 = cx_strreplacen(astr, CX_STR("a"), CX_STR("x"), 4);
   648     char const *an4expected = "xxxxaaaaaa";
   650     cxmutstr replan9 = cx_strreplacen(astr, CX_STR("a"), CX_STR("x"), 9);
   651     char const *an9expected = "xxxxxxxxxa";
   653     cxmutstr replan10 = cx_strreplacen(astr, CX_STR("a"), CX_STR("x"), 10);
   654     char const *an10expected = "xxxxxxxxxx";
   656     CX_TEST_DO {
   657         cxmutstr repl1_a = cx_strreplace_a(alloc, csstr, CX_STR("AB"), CX_STR("*"));
   658         char const *expeced1_a = "test * ab TEST xyz";
   660         cxmutstr repl2_a = cx_strreplace_a(alloc, csstr, CX_STR("test"), CX_STR("TEST"));
   661         char const *expected2_a = "TEST AB ab TEST xyz";
   663         CX_TEST_ASSERT(repl.ptr != str.ptr);
   664         ASSERT_ZERO_TERMINATED(repl);
   665         CX_TEST_ASSERT(0 == strcmp(repl.ptr, expected));
   666         ASSERT_ZERO_TERMINATED(repln);
   667         CX_TEST_ASSERT(0 == strcmp(repln.ptr, expectedn));
   668         ASSERT_ZERO_TERMINATED(longrepl);
   669         CX_TEST_ASSERT(0 == strcmp(longrepl.ptr, longexpect));
   670         ASSERT_ZERO_TERMINATED(replnotrail);
   671         CX_TEST_ASSERT(0 == strcmp(replnotrail.ptr, notrailexpect));
   672         ASSERT_ZERO_TERMINATED(repleq);
   673         CX_TEST_ASSERT(0 == strcmp(repleq.ptr, eqexpect));
   674         ASSERT_ZERO_TERMINATED(replempty1);
   675         CX_TEST_ASSERT(0 == strcmp(replempty1.ptr, ""));
   676         ASSERT_ZERO_TERMINATED(replempty2);
   677         CX_TEST_ASSERT(0 == strcmp(replempty2.ptr, emptyexpect2));
   678         ASSERT_ZERO_TERMINATED(replpre);
   679         CX_TEST_ASSERT(0 == strcmp(replpre.ptr, preexpected));
   680         ASSERT_ZERO_TERMINATED(replan1);
   681         CX_TEST_ASSERT(0 == strcmp(replan1.ptr, an1expected));
   682         ASSERT_ZERO_TERMINATED(replan4);
   683         CX_TEST_ASSERT(0 == strcmp(replan4.ptr, an4expected));
   684         ASSERT_ZERO_TERMINATED(replan9);
   685         CX_TEST_ASSERT(0 == strcmp(replan9.ptr, an9expected));
   686         ASSERT_ZERO_TERMINATED(replan10);
   687         CX_TEST_ASSERT(0 == strcmp(replan10.ptr, an10expected));
   688         ASSERT_ZERO_TERMINATED(repl1_a);
   689         CX_TEST_ASSERT(0 == strcmp(repl1_a.ptr, expeced1_a));
   690         ASSERT_ZERO_TERMINATED(repl2_a);
   691         CX_TEST_ASSERT(0 == strcmp(repl2_a.ptr, expected2_a));
   693         cx_strfree_a(alloc, &repl1_a);
   694         cx_strfree_a(alloc, &repl2_a);
   695         CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
   696     }
   698     cx_strfree(&repl);
   699     cx_strfree(&repln);
   700     cx_strfree(&longrepl);
   701     cx_strfree(&replnotrail);
   702     cx_strfree(&repleq);
   703     cx_strfree(&replempty1);
   704     cx_strfree(&replempty2);
   705     cx_strfree(&replpre);
   706     cx_strfree(&replan1);
   707     cx_strfree(&replan4);
   708     cx_strfree(&replan9);
   709     cx_strfree(&replan10);
   710     cx_testing_allocator_destroy(&talloc);
   711 }
   713 CX_TEST(test_strupper) {
   714     cxmutstr str = cx_strdup(CX_STR("thIs 1s @ Te$t"));
   715     CX_TEST_DO {
   716         cx_strupper(str);
   717         CX_TEST_ASSERT(0 == strcmp(str.ptr, "THIS 1S @ TE$T"));
   718     }
   719     cx_strfree(&str);
   720 }
   722 CX_TEST(test_strlower) {
   723     cxmutstr str = cx_strdup(CX_STR("thIs 1s @ Te$t"));
   724     CX_TEST_DO {
   725         cx_strlower(str);
   726         CX_TEST_ASSERT(0 == strcmp(str.ptr, "this 1s @ te$t"));
   727     }
   728     cx_strfree(&str);
   729 }
   731 CX_TEST(test_strtok) {
   732     cxstring str = CX_STR("a,comma,separated,string");
   733     cxstring delim = CX_STR(",");
   734     CX_TEST_DO {
   735         CxStrtokCtx ctx = cx_strtok(str, delim, 3);
   736         CX_TEST_ASSERT(ctx.str.ptr == str.ptr);
   737         CX_TEST_ASSERT(ctx.str.length == str.length);
   738         CX_TEST_ASSERT(ctx.delim.ptr == delim.ptr);
   739         CX_TEST_ASSERT(ctx.delim.length == delim.length);
   740         CX_TEST_ASSERT(ctx.limit == 3);
   741         CX_TEST_ASSERT(ctx.found == 0);
   742         CX_TEST_ASSERT(ctx.pos == 0);
   743         CX_TEST_ASSERT(ctx.next_pos == 0);
   744         CX_TEST_ASSERT(ctx.delim_more == NULL);
   745         CX_TEST_ASSERT(ctx.delim_more_count == 0);
   746     }
   747 }
   749 CX_TEST(test_strtok_m) {
   750     cxmutstr str = cx_strdup(CX_STR("a,comma,separated,string"));
   751     cxstring delim = CX_STR(",");
   752     CX_TEST_DO {
   753         CxStrtokCtx ctx = cx_strtok_m(str, delim, 3);
   754         CX_TEST_ASSERT(ctx.str.ptr == str.ptr);
   755         CX_TEST_ASSERT(ctx.str.length == str.length);
   756         CX_TEST_ASSERT(ctx.delim.ptr == delim.ptr);
   757         CX_TEST_ASSERT(ctx.delim.length == delim.length);
   758         CX_TEST_ASSERT(ctx.limit == 3);
   759         CX_TEST_ASSERT(ctx.found == 0);
   760         CX_TEST_ASSERT(ctx.pos == 0);
   761         CX_TEST_ASSERT(ctx.next_pos == 0);
   762         CX_TEST_ASSERT(ctx.delim_more == NULL);
   763         CX_TEST_ASSERT(ctx.delim_more_count == 0);
   764     }
   765     cx_strfree(&str);
   766 }
   768 CX_TEST(test_strtok_delim) {
   769     cxstring str = CX_STR("an,arbitrarily|separated;string");
   770     cxstring delim = CX_STR(",");
   771     cxstring delim_more[2] = {CX_STR("|"), CX_STR(";")};
   772     CX_TEST_DO {
   773         CxStrtokCtx ctx = cx_strtok(str, delim, 3);
   774         cx_strtok_delim(&ctx, delim_more, 2);
   775         CX_TEST_ASSERT(ctx.str.ptr == str.ptr);
   776         CX_TEST_ASSERT(ctx.str.length == str.length);
   777         CX_TEST_ASSERT(ctx.delim.ptr == delim.ptr);
   778         CX_TEST_ASSERT(ctx.delim.length == delim.length);
   779         CX_TEST_ASSERT(ctx.limit == 3);
   780         CX_TEST_ASSERT(ctx.found == 0);
   781         CX_TEST_ASSERT(ctx.pos == 0);
   782         CX_TEST_ASSERT(ctx.next_pos == 0);
   783         CX_TEST_ASSERT(ctx.delim_more == delim_more);
   784         CX_TEST_ASSERT(ctx.delim_more_count == 2);
   785     }
   786 }
   788 CX_TEST(test_strtok_next_easy) {
   789     cxstring str = CX_STR("a,comma,separated,string");
   790     cxstring delim = CX_STR(",");
   791     CX_TEST_DO {
   792         CxStrtokCtx ctx = cx_strtok(str, delim, 3);
   793         bool ret;
   794         cxstring tok;
   796         ret = cx_strtok_next(&ctx, &tok);
   797         CX_TEST_ASSERT(ret);
   798         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("a")));
   799         CX_TEST_ASSERT(ctx.pos == 0);
   800         CX_TEST_ASSERT(ctx.next_pos == 2);
   801         CX_TEST_ASSERT(ctx.delim_pos == 1);
   802         CX_TEST_ASSERT(ctx.found == 1);
   804         ret = cx_strtok_next(&ctx, &tok);
   805         CX_TEST_ASSERT(ret);
   806         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("comma")));
   807         CX_TEST_ASSERT(ctx.pos == 2);
   808         CX_TEST_ASSERT(ctx.next_pos == 8);
   809         CX_TEST_ASSERT(ctx.delim_pos == 7);
   810         CX_TEST_ASSERT(ctx.found == 2);
   812         ret = cx_strtok_next(&ctx, &tok);
   813         CX_TEST_ASSERT(ret);
   814         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("separated")));
   815         CX_TEST_ASSERT(ctx.pos == 8);
   816         CX_TEST_ASSERT(ctx.next_pos == 18);
   817         CX_TEST_ASSERT(ctx.delim_pos == 17);
   818         CX_TEST_ASSERT(ctx.found == 3);
   820         ret = cx_strtok_next(&ctx, &tok);
   821         CX_TEST_ASSERT(!ret);
   822         CX_TEST_ASSERT(ctx.pos == 8);
   823         CX_TEST_ASSERT(ctx.next_pos == 18);
   824         CX_TEST_ASSERT(ctx.delim_pos == 17);
   825         CX_TEST_ASSERT(ctx.found == 3);
   826     }
   827 }
   829 CX_TEST(test_strtok_next_unlimited) {
   830     cxstring str = CX_STR("some;-;otherwise;-;separated;-;string;-;");
   831     cxstring delim = CX_STR(";-;");
   832     CX_TEST_DO {
   833         CxStrtokCtx ctx = cx_strtok(str, delim, SIZE_MAX);
   834         bool ret;
   835         cxstring tok;
   837         ret = cx_strtok_next(&ctx, &tok);
   838         CX_TEST_ASSERT(ret);
   839         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("some")));
   840         CX_TEST_ASSERT(ctx.pos == 0);
   841         CX_TEST_ASSERT(ctx.next_pos == 7);
   842         CX_TEST_ASSERT(ctx.delim_pos == 4);
   843         CX_TEST_ASSERT(ctx.found == 1);
   845         ret = cx_strtok_next(&ctx, &tok);
   846         CX_TEST_ASSERT(ret);
   847         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("otherwise")));
   848         CX_TEST_ASSERT(ctx.pos == 7);
   849         CX_TEST_ASSERT(ctx.next_pos == 19);
   850         CX_TEST_ASSERT(ctx.delim_pos == 16);
   851         CX_TEST_ASSERT(ctx.found == 2);
   853         ret = cx_strtok_next(&ctx, &tok);
   854         CX_TEST_ASSERT(ret);
   855         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("separated")));
   856         CX_TEST_ASSERT(ctx.pos == 19);
   857         CX_TEST_ASSERT(ctx.next_pos == 31);
   858         CX_TEST_ASSERT(ctx.delim_pos == 28);
   859         CX_TEST_ASSERT(ctx.found == 3);
   861         ret = cx_strtok_next(&ctx, &tok);
   862         CX_TEST_ASSERT(ret);
   863         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("string")));
   864         CX_TEST_ASSERT(ctx.pos == 31);
   865         CX_TEST_ASSERT(ctx.next_pos == 40);
   866         CX_TEST_ASSERT(ctx.delim_pos == 37);
   867         CX_TEST_ASSERT(ctx.found == 4);
   869         ret = cx_strtok_next(&ctx, &tok);
   870         CX_TEST_ASSERT(ret);
   871         CX_TEST_ASSERT(0 == cx_strcmp(tok, CX_STR("")));
   872         CX_TEST_ASSERT(ctx.pos == 40);
   873         CX_TEST_ASSERT(ctx.next_pos == 40);
   874         CX_TEST_ASSERT(ctx.delim_pos == 40);
   875         CX_TEST_ASSERT(ctx.found == 5);
   877         ret = cx_strtok_next(&ctx, &tok);
   878         CX_TEST_ASSERT(!ret);
   879         CX_TEST_ASSERT(ctx.pos == 40);
   880         CX_TEST_ASSERT(ctx.delim_pos == 40);
   881         CX_TEST_ASSERT(ctx.found == 5);
   882     }
   883 }
   885 CX_TEST(test_strtok_next_advanced) {
   886     cxmutstr str = cx_strdup(CX_STR("an,arbitrarily;||separated;string"));
   887     cxstring delim = CX_STR(",");
   888     cxstring delim_more[2] = {CX_STR("||"), CX_STR(";")};
   889     CX_TEST_DO {
   890         CxStrtokCtx ctx = cx_strtok_m(str, delim, 10);
   891         cx_strtok_delim(&ctx, delim_more, 2);
   892         bool ret;
   893         cxmutstr tok;
   895         ret = cx_strtok_next_m(&ctx, &tok);
   896         CX_TEST_ASSERT(ret);
   897         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(tok), CX_STR("an")));
   898         CX_TEST_ASSERT(ctx.pos == 0);
   899         CX_TEST_ASSERT(ctx.next_pos == 3);
   900         CX_TEST_ASSERT(ctx.delim_pos == 2);
   901         CX_TEST_ASSERT(ctx.found == 1);
   902         cx_strupper(tok);
   904         ret = cx_strtok_next_m(&ctx, &tok);
   905         CX_TEST_ASSERT(ret);
   906         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(tok), CX_STR("arbitrarily")));
   907         CX_TEST_ASSERT(ctx.pos == 3);
   908         CX_TEST_ASSERT(ctx.next_pos == 15);
   909         CX_TEST_ASSERT(ctx.delim_pos == 14);
   910         CX_TEST_ASSERT(ctx.found == 2);
   911         cx_strupper(tok);
   913         ret = cx_strtok_next_m(&ctx, &tok);
   914         CX_TEST_ASSERT(ret);
   915         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(tok), CX_STR("")));
   916         CX_TEST_ASSERT(ctx.pos == 15);
   917         CX_TEST_ASSERT(ctx.next_pos == 17);
   918         CX_TEST_ASSERT(ctx.delim_pos == 15);
   919         CX_TEST_ASSERT(ctx.found == 3);
   920         cx_strupper(tok);
   922         ret = cx_strtok_next_m(&ctx, &tok);
   923         CX_TEST_ASSERT(ret);
   924         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(tok), CX_STR("separated")));
   925         CX_TEST_ASSERT(ctx.pos == 17);
   926         CX_TEST_ASSERT(ctx.next_pos == 27);
   927         CX_TEST_ASSERT(ctx.delim_pos == 26);
   928         CX_TEST_ASSERT(ctx.found == 4);
   929         cx_strupper(tok);
   931         ret = cx_strtok_next_m(&ctx, &tok);
   932         CX_TEST_ASSERT(ret);
   933         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(tok), CX_STR("string")));
   934         CX_TEST_ASSERT(ctx.pos == 27);
   935         CX_TEST_ASSERT(ctx.next_pos == 33);
   936         CX_TEST_ASSERT(ctx.delim_pos == 33);
   937         CX_TEST_ASSERT(ctx.found == 5);
   938         cx_strupper(tok);
   940         ret = cx_strtok_next_m(&ctx, &tok);
   941         CX_TEST_ASSERT(!ret);
   942         CX_TEST_ASSERT(ctx.pos == 27);
   943         CX_TEST_ASSERT(ctx.next_pos == 33);
   944         CX_TEST_ASSERT(ctx.delim_pos == 33);
   945         CX_TEST_ASSERT(ctx.found == 5);
   947         CX_TEST_ASSERT(0 == cx_strcmp(cx_strcast(str), CX_STR("AN,ARBITRARILY;||SEPARATED;STRING")));
   948     }
   949     cx_strfree(&str);
   950 }
   953 CxTestSuite *cx_test_suite_string(void) {
   954     CxTestSuite *suite = cx_test_suite_new("string");
   956     cx_test_register(suite, test_string_construct);
   957     cx_test_register(suite, test_strfree);
   958     cx_test_register(suite, test_strdup);
   959     cx_test_register(suite, test_strdup_shortened);
   960     cx_test_register(suite, test_strlen);
   961     cx_test_register(suite, test_strsubs);
   962     cx_test_register(suite, test_strchr);
   963     cx_test_register(suite, test_strrchr);
   964     cx_test_register(suite, test_strstr);
   965     cx_test_register(suite, test_strcmp);
   966     cx_test_register(suite, test_strcasecmp);
   967     cx_test_register(suite, test_strcat);
   968     cx_test_register(suite, test_strsplit);
   969     cx_test_register(suite, test_strsplit_a);
   970     cx_test_register(suite, test_strtrim);
   971     cx_test_register(suite, test_strprefix);
   972     cx_test_register(suite, test_strsuffix);
   973     cx_test_register(suite, test_strcaseprefix);
   974     cx_test_register(suite, test_strcasesuffix);
   975     cx_test_register(suite, test_strreplace);
   976     cx_test_register(suite, test_strupper);
   977     cx_test_register(suite, test_strlower);
   978     cx_test_register(suite, test_strtok);
   979     cx_test_register(suite, test_strtok_m);
   980     cx_test_register(suite, test_strtok_delim);
   981     cx_test_register(suite, test_strtok_next_easy);
   982     cx_test_register(suite, test_strtok_next_unlimited);
   983     cx_test_register(suite, test_strtok_next_advanced);
   985     return suite;
   986 }

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