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Diffstat (limited to 'src/grep/gnulib-tests/test-argmatch.c')
| -rw-r--r-- | src/grep/gnulib-tests/test-argmatch.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/grep/gnulib-tests/test-argmatch.c b/src/grep/gnulib-tests/test-argmatch.c new file mode 100644 index 0000000..ef10536 --- /dev/null +++ b/src/grep/gnulib-tests/test-argmatch.c @@ -0,0 +1,164 @@ +/* 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; +} |