testsuite/test-strbuf.c

   1 /*
   2  * Copyright (C)  2014 Intel Corporation. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <errno.h>
  19 #include <stddef.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24
  25 #include <shared/strbuf.h>
  26
  27 #include "testsuite.h"
  28
  29 static const char *TEXT =
  30         "this is a very long test that is longer than the size we initially se in the strbuf";
  31
  32 static int test_strbuf_pushchar(const struct test *t)
  33 {
  34         struct strbuf buf;
  35         char *result1, *result2;
  36         const char *c;
  37
  38         strbuf_init(&buf);
  39
  40         for (c = TEXT; *c != '\0'; c++)
  41                 strbuf_pushchar(&buf, *c);
  42
  43         result1 = (char *) strbuf_str(&buf);
  44         assert_return(result1 == buf.bytes, EXIT_FAILURE);
  45         assert_return(strcmp(result1, TEXT) == 0, EXIT_FAILURE);
  46         result1 = strdup(result1);
  47
  48         result2 = strbuf_steal(&buf);
  49         assert_return(strcmp(result1, result2) == 0, EXIT_FAILURE);
  50
  51         free(result1);
  52         free(result2);
  53
  54         return 0;
  55 }
  56 DEFINE_TEST(test_strbuf_pushchar,
  57                 .description = "test strbuf_{pushchar, str, steal}");
  58
  59 static int test_strbuf_pushchars(const struct test *t)
  60 {
  61         struct strbuf buf;
  62         char *result1, *saveptr = NULL, *str, *result2;
  63         const char *c;
  64         int lastwordlen = 0;
  65
  66         strbuf_init(&buf);
  67         str = strdup(TEXT);
  68         for (c = strtok_r(str, " ", &saveptr); c != NULL;
  69              c = strtok_r(NULL, " ", &saveptr)) {
  70                 strbuf_pushchars(&buf, c);
  71                 strbuf_pushchar(&buf, ' ');
  72                 lastwordlen = strlen(c);
  73         }
  74
  75         strbuf_popchar(&buf);
  76         result1 = (char *) strbuf_str(&buf);
  77         assert_return(result1 == buf.bytes, EXIT_FAILURE);
  78         assert_return(strcmp(result1, TEXT) == 0, EXIT_FAILURE);
  79
  80         strbuf_popchars(&buf, lastwordlen);
  81         result2 = strbuf_steal(&buf);
  82         assert_return(strcmp(TEXT, result2) != 0, EXIT_FAILURE);
  83         assert_return(strncmp(TEXT, result2, strlen(TEXT) - lastwordlen) == 0,
  84                       EXIT_FAILURE);
  85         assert_return(result2[strlen(TEXT) - lastwordlen] == '\0',
  86                       EXIT_FAILURE);
  87
  88         free(str);
  89         free(result2);
  90
  91         return 0;
  92 }
  93 DEFINE_TEST(test_strbuf_pushchars,
  94                 .description = "test strbuf_{pushchars, popchar, popchars}");
  95
  96
  97 TESTSUITE_MAIN();