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 #include <shared/util.h>
  27
  28 #include "testsuite.h"
  29
  30 static const char *TEXT =
  31         "this is a very long test that is longer than the size we initially se in the strbuf";
  32
  33 static int test_strbuf_pushchar(const struct test *t)
  34 {
  35         struct strbuf buf;
  36         char *result1, *result2;
  37         const char *c;
  38
  39         strbuf_init(&buf);
  40
  41         for (c = TEXT; *c != '\0'; c++)
  42                 strbuf_pushchar(&buf, *c);
  43
  44         result1 = (char *) strbuf_str(&buf);
  45         assert_return(result1 == buf.bytes, EXIT_FAILURE);
  46         assert_return(streq(result1, TEXT), EXIT_FAILURE);
  47         result1 = strdup(result1);
  48
  49         result2 = strbuf_steal(&buf);
  50         assert_return(streq(result1, result2), EXIT_FAILURE);
  51
  52         free(result1);
  53         free(result2);
  54
  55         return 0;
  56 }
  57 DEFINE_TEST(test_strbuf_pushchar,
  58                 .description = "test strbuf_{pushchar, str, steal}");
  59
  60 static int test_strbuf_pushchars(const struct test *t)
  61 {
  62         struct strbuf buf;
  63         char *result1, *saveptr = NULL, *str, *result2;
  64         const char *c;
  65         int lastwordlen = 0;
  66
  67         strbuf_init(&buf);
  68         str = strdup(TEXT);
  69         for (c = strtok_r(str, " ", &saveptr); c != NULL;
  70              c = strtok_r(NULL, " ", &saveptr)) {
  71                 strbuf_pushchars(&buf, c);
  72                 strbuf_pushchar(&buf, ' ');
  73                 lastwordlen = strlen(c);
  74         }
  75
  76         strbuf_popchar(&buf);
  77         result1 = (char *) strbuf_str(&buf);
  78         assert_return(result1 == buf.bytes, EXIT_FAILURE);
  79         assert_return(streq(result1, TEXT), EXIT_FAILURE);
  80
  81         strbuf_popchars(&buf, lastwordlen);
  82         result2 = strbuf_steal(&buf);
  83         assert_return(!streq(TEXT, result2), EXIT_FAILURE);
  84         assert_return(strncmp(TEXT, result2, strlen(TEXT) - lastwordlen) == 0,
  85                       EXIT_FAILURE);
  86         assert_return(result2[strlen(TEXT) - lastwordlen] == '\0',
  87                       EXIT_FAILURE);
  88
  89         free(str);
  90         free(result2);
  91
  92         return 0;
  93 }
  94 DEFINE_TEST(test_strbuf_pushchars,
  95                 .description = "test strbuf_{pushchars, popchar, popchars}");
  96
  97
  98 TESTSUITE_MAIN();