1 files changed, 102 insertions, 0 deletions
diff --git a/tests/misc/invalid-opt.pl b/tests/misc/invalid-opt.pl
new file mode 100755
index 0000000..76fa046
--- /dev/null
+++ b/tests/misc/invalid-opt.pl
@@ -0,0 +1,102 @@
+#!/usr/bin/perl
+# exercise the 'invalid option' handling code in each program
+
+# Copyright (C) 2008-2022 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/>.
+
+require 5.003;
+use strict;
+
+# Turn off localization of executable's output.
+@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+
+my %exit_status =
+  (
+    ls => 2,
+    dir => 2,
+    vdir => 2,
+    test => 2,
+    chroot => 125,
+    echo => 0,
+    env => 125,
+    expr => 0,
+    nice => 125,
+    nohup => 125,
+    sort => 2,
+    stdbuf => 125,
+    test => 0,
+    timeout => 125,
+    true => 0,
+    tty => 2,
+    printf => 0,
+    printenv => 2,
+  );
+
+my %expected_out =
+  (
+    echo => "-/\n",
+    expr => "-/\n",
+    printf => "-/",
+  );
+
+my %expected_err =
+  (
+    false => '',
+    stty => '',
+  );
+
+my $fail = 0;
+my @built_programs = split ' ', $ENV{built_programs};
+foreach my $prog (@built_programs)
+  {
+    $prog eq '['
+      and next;
+
+    my $try = "Try '$prog --help' for more information.\n";
+    my $x = $exit_status{$prog};
+    defined $x
+      or $x = 1;
+
+    my $out = $expected_out{$prog};
+    defined $out
+      or $out = '';
+
+    my $err = $expected_err{$prog};
+    defined $err
+      or $err = $x == 0 ? '' : "$prog: invalid option -- /\n$try";
+
+    # Accommodate different syntax in glibc's getopt
+    # diagnostics by filtering out single quotes.
+    # Also accommodate BSD getopt.
+    my $err_subst = "s,'/',/,; s,unknown,invalid,";
+
+    # Depending on how this script is run, stty emits different
+    # diagnostics.  Don't bother checking them.
+    $prog eq 'stty'
+      and $err_subst = 's/(.|\n)*//ms';
+
+    my @Tests = (["$prog-invalid-opt", '-/', {OUT=>$out},
+                  {ERR_SUBST => $err_subst},
+                  {EXIT=>$x}, {ERR=>$err}]);
+
+    my $save_temps = $ENV{DEBUG};
+    my $verbose = $ENV{VERBOSE};
+
+    my $f = run_tests ($prog, \$prog, \@Tests, $save_temps, $verbose);
+    $f
+      and $fail = 1;
+  }
+
+exit $fail;