1 files changed, 98 insertions, 0 deletions
diff --git a/gnulib-tests/test-argmatch.c b/gnulib-tests/test-argmatch.c
new file mode 100644
index 0000000..243bfb3
--- /dev/null
+++ b/gnulib-tests/test-argmatch.c
@@ -0,0 +1,98 @@
+/* Test of exact or abbreviated match search.
+   Copyright (C) 1990, 1998-1999, 2001-2018 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>
+
+#include "argmatch.h"
+
+#include <stdlib.h>
+
+#include "macros.h"
+
+/* 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
+};
+
+int
+main (int argc, char *argv[])
+{
+  /* Not found.  */
+  ASSERT (ARGMATCH ("klingon", backup_args, backup_vals) == -1);
+
+  /* Exact match.  */
+  ASSERT (ARGMATCH ("none", backup_args, backup_vals) == 1);
+  ASSERT (ARGMATCH ("nil", backup_args, backup_vals) == 7);
+
+  /* Too long.  */
+  ASSERT (ARGMATCH ("nilpotent", backup_args, backup_vals) == -1);
+
+  /* Abbreviated.  */
+  ASSERT (ARGMATCH ("simpl", backup_args, backup_vals) == 3);
+  ASSERT (ARGMATCH ("simp", backup_args, backup_vals) == 3);
+  ASSERT (ARGMATCH ("sim", backup_args, backup_vals) == 3);
+
+  /* Exact match and abbreviated.  */
+  ASSERT (ARGMATCH ("numbered", backup_args, backup_vals) == 9);
+  ASSERT (ARGMATCH ("numbere", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("number", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("numbe", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("numb", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("num", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("nu", backup_args, backup_vals) == -2);
+  ASSERT (ARGMATCH ("n", backup_args, backup_vals) == -2);
+
+  /* Ambiguous abbreviated.  */
+  ASSERT (ARGMATCH ("ne", backup_args, backup_vals) == -2);
+
+  /* Ambiguous abbreviated, but same value.  */
+  ASSERT (ARGMATCH ("si", backup_args, backup_vals) == 3);
+  ASSERT (ARGMATCH ("s", backup_args, backup_vals) == 3);
+
+  return 0;
+}