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/* Test of exact or abbreviated match search.
Copyright (C) 1990, 1998-1999, 2001-2021 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>, 2007, based on test code
by David MacKenzie <djm@gnu.ai.mit.edu>. */
#include <config.h>
/* As of GCC 11.2.1, gcc -Wanalyzer-too-complex reports that main's
use of CHECK macros expands to code that is too complicated for gcc
-fanalyzer. Suppress the resulting bogus warnings. */
#if 10 <= __GNUC__
# pragma GCC diagnostic ignored "-Wanalyzer-null-argument"
#endif
#include "argmatch.h"
#include <stdlib.h>
#include "macros.h"
# define N_(Msgid) (Msgid)
/* Some packages define ARGMATCH_DIE and ARGMATCH_DIE_DECL in <config.h>, and
thus must link with a definition of that function. Provide it here. */
#ifdef ARGMATCH_DIE_DECL
_Noreturn ARGMATCH_DIE_DECL;
ARGMATCH_DIE_DECL { exit (1); }
#endif
enum backup_type
{
no_backups,
simple_backups,
numbered_existing_backups,
numbered_backups
};
static const char *const backup_args[] =
{
"no", "none", "off",
"simple", "never", "single",
"existing", "nil", "numbered-existing",
"numbered", "t", "newstyle",
NULL
};
static const enum backup_type backup_vals[] =
{
no_backups, no_backups, no_backups,
simple_backups, simple_backups, simple_backups,
numbered_existing_backups, numbered_existing_backups, numbered_existing_backups,
numbered_backups, numbered_backups, numbered_backups
};
ARGMATCH_DEFINE_GROUP(backup, enum backup_type)
static const argmatch_backup_doc argmatch_backup_docs[] =
{
{ "no", N_("never make backups (even if --backup is given)") },
{ "numbered", N_("make numbered backups") },
{ "existing", N_("numbered if numbered backups exist, simple otherwise") },
{ "simple", N_("always make simple backups") },
{ NULL, NULL }
};
static const argmatch_backup_arg argmatch_backup_args[] =
{
{ "no", no_backups },
{ "none", no_backups },
{ "off", no_backups },
{ "simple", simple_backups },
{ "never", simple_backups },
{ "single", simple_backups },
{ "existing", numbered_existing_backups },
{ "nil", numbered_existing_backups },
{ "numbered-existing", numbered_existing_backups },
{ "numbered", numbered_backups },
{ "t", numbered_backups },
{ "newstyle", numbered_backups },
{ NULL, no_backups }
};
const argmatch_backup_group_type argmatch_backup_group =
{
argmatch_backup_args,
argmatch_backup_docs,
N_("\
The backup suffix is '~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.\n\
The version control method may be selected via the --backup option or through\n\
the VERSION_CONTROL environment variable. Here are the values:\n"),
NULL
};
int
main (int argc, char *argv[])
{
#define CHECK(Input, Output) \
do { \
ASSERT (ARGMATCH (Input, backup_args, backup_vals) == Output); \
ASSERT (argmatch_backup_choice (Input) == Output); \
if (0 <= Output) \
{ \
enum backup_type val \
= argmatch_backup_args[Output < 0 ? 0 : Output].val; \
ASSERT (*argmatch_backup_value ("test", Input) == val); \
ASSERT (*argmatch_backup_value ("test", \
argmatch_backup_argument (&val)) \
== val); \
} \
} while (0)
/* Not found. */
CHECK ("klingon", -1);
/* Exact match. */
CHECK ("none", 1);
CHECK ("nil", 7);
/* Too long. */
CHECK ("nilpotent", -1);
/* Abbreviated. */
CHECK ("simpl", 3);
CHECK ("simp", 3);
CHECK ("sim", 3);
/* Exact match and abbreviated. */
CHECK ("numbered", 9);
CHECK ("numbere", -2);
CHECK ("number", -2);
CHECK ("numbe", -2);
CHECK ("numb", -2);
CHECK ("num", -2);
CHECK ("nu", -2);
CHECK ("n", -2);
/* Ambiguous abbreviated. */
CHECK ("ne", -2);
/* Ambiguous abbreviated, but same value ("single" and "simple"). */
CHECK ("si", 3);
CHECK ("s", 3);
#undef CHECK
argmatch_backup_usage (stdout);
return 0;
}
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