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/* Test of string descriptors.
Copyright (C) 2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
#include <config.h>
#include "string-desc.h"
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "macros.h"
int
main (int argc, char *argv[])
{
ASSERT (argc > 1);
int fd3 = open (argv[1], O_RDWR | O_TRUNC | O_CREAT, 0600);
ASSERT (fd3 >= 0);
string_desc_t s0 = string_desc_new_empty ();
string_desc_t s1 = string_desc_from_c ("Hello world!");
string_desc_t s2 = string_desc_new_addr (21, "The\0quick\0brown\0\0fox");
/* Test string_desc_length. */
ASSERT (string_desc_length (s0) == 0);
ASSERT (string_desc_length (s1) == 12);
ASSERT (string_desc_length (s2) == 21);
/* Test string_desc_char_at. */
ASSERT (string_desc_char_at (s1, 0) == 'H');
ASSERT (string_desc_char_at (s1, 11) == '!');
ASSERT (string_desc_char_at (s2, 0) == 'T');
ASSERT (string_desc_char_at (s2, 1) == 'h');
ASSERT (string_desc_char_at (s2, 2) == 'e');
ASSERT (string_desc_char_at (s2, 3) == '\0');
ASSERT (string_desc_char_at (s2, 4) == 'q');
ASSERT (string_desc_char_at (s2, 15) == '\0');
ASSERT (string_desc_char_at (s2, 16) == '\0');
/* Test string_desc_data. */
(void) string_desc_data (s0);
ASSERT (memcmp (string_desc_data (s1), "Hello world!", 12) == 0);
ASSERT (memcmp (string_desc_data (s2), "The\0quick\0brown\0\0fox", 21) == 0);
/* Test string_desc_is_empty. */
ASSERT (string_desc_is_empty (s0));
ASSERT (!string_desc_is_empty (s1));
ASSERT (!string_desc_is_empty (s2));
/* Test string_desc_startswith. */
ASSERT (string_desc_startswith (s1, s0));
ASSERT (!string_desc_startswith (s0, s1));
ASSERT (!string_desc_startswith (s1, s2));
ASSERT (!string_desc_startswith (s2, s1));
ASSERT (string_desc_startswith (s2, string_desc_from_c ("The")));
ASSERT (string_desc_startswith (s2, string_desc_new_addr (9, "The\0quick")));
ASSERT (!string_desc_startswith (s2, string_desc_new_addr (9, "The\0quirk")));
/* Test string_desc_endswith. */
ASSERT (string_desc_endswith (s1, s0));
ASSERT (!string_desc_endswith (s0, s1));
ASSERT (!string_desc_endswith (s1, s2));
ASSERT (!string_desc_endswith (s2, s1));
ASSERT (!string_desc_endswith (s2, string_desc_from_c ("fox")));
ASSERT (string_desc_endswith (s2, string_desc_new_addr (4, "fox")));
ASSERT (string_desc_endswith (s2, string_desc_new_addr (6, "\0\0fox")));
ASSERT (!string_desc_endswith (s2, string_desc_new_addr (5, "\0\0ox")));
/* Test string_desc_cmp. */
ASSERT (string_desc_cmp (s0, s0) == 0);
ASSERT (string_desc_cmp (s0, s1) < 0);
ASSERT (string_desc_cmp (s0, s2) < 0);
ASSERT (string_desc_cmp (s1, s0) > 0);
ASSERT (string_desc_cmp (s1, s1) == 0);
ASSERT (string_desc_cmp (s1, s2) < 0);
ASSERT (string_desc_cmp (s2, s0) > 0);
ASSERT (string_desc_cmp (s2, s1) > 0);
ASSERT (string_desc_cmp (s2, s2) == 0);
/* Test string_desc_index. */
ASSERT (string_desc_index (s0, 'o') == -1);
ASSERT (string_desc_index (s2, 'o') == 12);
/* Test string_desc_last_index. */
ASSERT (string_desc_last_index (s0, 'o') == -1);
ASSERT (string_desc_last_index (s2, 'o') == 18);
/* Test string_desc_contains. */
ASSERT (string_desc_contains (s0, string_desc_from_c ("ll")) == -1);
ASSERT (string_desc_contains (s1, string_desc_from_c ("ll")) == 2);
ASSERT (string_desc_contains (s1, string_desc_new_addr (1, "")) == -1);
ASSERT (string_desc_contains (s2, string_desc_new_addr (1, "")) == 3);
ASSERT (string_desc_contains (s1, string_desc_new_addr (2, "\0")) == -1);
ASSERT (string_desc_contains (s2, string_desc_new_addr (2, "\0")) == 15);
/* Test string_desc_substring. */
ASSERT (string_desc_cmp (string_desc_substring (s1, 2, 5),
string_desc_from_c ("llo")) == 0);
/* Test string_desc_write. */
ASSERT (string_desc_write (fd3, s0) == 0);
ASSERT (string_desc_write (fd3, s1) == 0);
ASSERT (string_desc_write (fd3, s2) == 0);
/* Test string_desc_fwrite. */
ASSERT (string_desc_fwrite (stdout, s0) == 0);
ASSERT (string_desc_fwrite (stdout, s1) == 0);
ASSERT (string_desc_fwrite (stdout, s2) == 0);
/* Test string_desc_new, string_desc_set_char_at, string_desc_fill. */
string_desc_t s4;
ASSERT (string_desc_new (&s4, 5) == 0);
string_desc_set_char_at (s4, 0, 'H');
string_desc_set_char_at (s4, 4, 'o');
string_desc_set_char_at (s4, 1, 'e');
string_desc_fill (s4, 2, 4, 'l');
ASSERT (string_desc_length (s4) == 5);
ASSERT (string_desc_startswith (s1, s4));
/* Test string_desc_new_filled, string_desc_set_char_at. */
string_desc_t s5;
ASSERT (string_desc_new_filled (&s5, 5, 'l') == 0);
string_desc_set_char_at (s5, 0, 'H');
string_desc_set_char_at (s5, 4, 'o');
string_desc_set_char_at (s5, 1, 'e');
ASSERT (string_desc_length (s5) == 5);
ASSERT (string_desc_startswith (s1, s5));
/* Test string_desc_equals. */
ASSERT (!string_desc_equals (s1, s5));
ASSERT (string_desc_equals (s4, s5));
/* Test string_desc_copy, string_desc_free. */
{
string_desc_t s6;
ASSERT (string_desc_copy (&s6, s0) == 0);
ASSERT (string_desc_is_empty (s6));
string_desc_free (s6);
}
{
string_desc_t s6;
ASSERT (string_desc_copy (&s6, s2) == 0);
ASSERT (string_desc_equals (s6, s2));
string_desc_free (s6);
}
/* Test string_desc_overwrite. */
{
string_desc_t s7;
ASSERT (string_desc_copy (&s7, s2) == 0);
string_desc_overwrite (s7, 4, s1);
ASSERT (string_desc_equals (s7, string_desc_new_addr (21, "The\0Hello world!\0fox")));
}
/* Test string_desc_concat. */
{
string_desc_t s8;
ASSERT (string_desc_concat (&s8, 3, string_desc_new_addr (10, "The\0quick"),
string_desc_new_addr (7, "brown\0"),
string_desc_new_addr (4, "fox"),
string_desc_new_addr (7, "unused")) == 0);
ASSERT (string_desc_equals (s8, s2));
string_desc_free (s8);
}
/* Test string_desc_c. */
{
char *ptr = string_desc_c (s2);
ASSERT (ptr != NULL);
ASSERT (memcmp (ptr, "The\0quick\0brown\0\0fox\0", 22) == 0);
free (ptr);
}
close (fd3);
return 0;
}
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