tests/test-argmatch.c

   1 /* Test of exact or abbreviated match search.
   2    Copyright (C) 1990, 1998-1999, 2001-2017 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007, based on test code
  18    by David MacKenzie <djm@gnu.ai.mit.edu>.  */
  19
  20 #include <config.h>
  21
  22 #include "argmatch.h"
  23
  24 #include <stdlib.h>
  25
  26 #include "macros.h"
  27
  28 /* Some packages define ARGMATCH_DIE and ARGMATCH_DIE_DECL in <config.h>, and
  29    thus must link with a definition of that function.  Provide it here.  */
  30 #ifdef ARGMATCH_DIE_DECL
  31
  32 _Noreturn ARGMATCH_DIE_DECL;
  33 ARGMATCH_DIE_DECL { exit (1); }
  34
  35 #endif
  36
  37 enum backup_type
  38 {
  39   no_backups,
  40   simple_backups,
  41   numbered_existing_backups,
  42   numbered_backups
  43 };
  44
  45 static const char *const backup_args[] =
  46 {
  47   "no", "none", "off",
  48   "simple", "never", "single",
  49   "existing", "nil", "numbered-existing",
  50   "numbered", "t", "newstyle",
  51   NULL
  52 };
  53
  54 static const enum backup_type backup_vals[] =
  55 {
  56   no_backups, no_backups, no_backups,
  57   simple_backups, simple_backups, simple_backups,
  58   numbered_existing_backups, numbered_existing_backups, numbered_existing_backups,
  59   numbered_backups, numbered_backups, numbered_backups
  60 };
  61
  62 int
  63 main (int argc, char *argv[])
  64 {
  65   /* Not found.  */
  66   ASSERT (ARGMATCH ("klingon", backup_args, backup_vals) == -1);
  67
  68   /* Exact match.  */
  69   ASSERT (ARGMATCH ("none", backup_args, backup_vals) == 1);
  70   ASSERT (ARGMATCH ("nil", backup_args, backup_vals) == 7);
  71
  72   /* Too long.  */
  73   ASSERT (ARGMATCH ("nilpotent", backup_args, backup_vals) == -1);
  74
  75   /* Abbreviated.  */
  76   ASSERT (ARGMATCH ("simpl", backup_args, backup_vals) == 3);
  77   ASSERT (ARGMATCH ("simp", backup_args, backup_vals) == 3);
  78   ASSERT (ARGMATCH ("sim", backup_args, backup_vals) == 3);
  79
  80   /* Exact match and abbreviated.  */
  81   ASSERT (ARGMATCH ("numbered", backup_args, backup_vals) == 9);
  82   ASSERT (ARGMATCH ("numbere", backup_args, backup_vals) == -2);
  83   ASSERT (ARGMATCH ("number", backup_args, backup_vals) == -2);
  84   ASSERT (ARGMATCH ("numbe", backup_args, backup_vals) == -2);
  85   ASSERT (ARGMATCH ("numb", backup_args, backup_vals) == -2);
  86   ASSERT (ARGMATCH ("num", backup_args, backup_vals) == -2);
  87   ASSERT (ARGMATCH ("nu", backup_args, backup_vals) == -2);
  88   ASSERT (ARGMATCH ("n", backup_args, backup_vals) == -2);
  89
  90   /* Ambiguous abbreviated.  */
  91   ASSERT (ARGMATCH ("ne", backup_args, backup_vals) == -2);
  92
  93   /* Ambiguous abbreviated, but same value.  */
  94   ASSERT (ARGMATCH ("si", backup_args, backup_vals) == 3);
  95   ASSERT (ARGMATCH ("s", backup_args, backup_vals) == 3);
  96
  97   return 0;
  98 }