1 files changed, 67 insertions, 0 deletions
diff --git a/tests/fmt/base.pl b/tests/fmt/base.pl
new file mode 100755
index 0000000..6879340
--- /dev/null
+++ b/tests/fmt/base.pl
@@ -0,0 +1,67 @@
+#!/usr/bin/perl
+# Basic tests for "fmt".
+
+# Copyright (C) 2001-2022 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/>.
+
+use strict;
+
+(my $program_name = $0) =~ s|.*/||;
+my $normalize_strerror = "s/': .*/'/";
+
+my @Tests =
+    (
+     ['8-bit-pfx', qw (-p 'ç'),
+      {IN=> "ça\nçb\n"},
+      {OUT=>"ça b\n"}],
+     ['wide-1', '-w 32768',
+      {ERR => "fmt: invalid width: '32768'\n"}, {EXIT => 1},
+      {ERR_SUBST => $normalize_strerror}],
+     ['wide-2', '-w 2147483647',
+      {ERR => "fmt: invalid width: '2147483647'\n"}, {EXIT => 1},
+      {ERR_SUBST => $normalize_strerror}],
+     ['bad-suffix', '-72x',	{IN=> ''},
+      {ERR => "fmt: invalid width: '72x'\n"}, {EXIT => 1}],
+     ['no-file', 'no-such-file',
+      {ERR => "fmt: cannot open 'no-such-file' for reading:"
+       . " No such file or directory\n"}, {EXIT => 1}],
+     ['obs-1', '-c -72',
+      {ERR => "fmt: invalid option -- 7; -WIDTH is recognized only when it"
+       . " is the first\noption; use -w N instead\n"
+       . "Try 'fmt --help' for more information.\n" }, {EXIT => 1}],
+
+     # With --prefix=P, do not remove leading space on lines without the prefix.
+     ['pfx-1', qw (-p '>'),
+      {IN=>  " 1\n  2\n\t3\n\t\t4\n> quoted\n> text\n"},
+      {OUT=> " 1\n  2\n\t3\n\t\t4\n> quoted text\n"}],
+
+     # Don't remove prefix from a prefix-only line.
+     ['pfx-only', qw (-p '>'),
+      {IN=>  ">\n"},
+      {OUT=> ">\n"}],
+
+     # With a multi-byte prefix, say, "foo", don't empty a line that
+     # starts with a strict prefix (e.g. "fo") of that prefix.
+     # With fmt from coreutils-6.7, it would mistakenly output an empty line.
+     ['pfx-of-pfx', qw (-p 'foo'),
+      {IN=>  "fo\n"},
+      {OUT=> "fo\n"}],
+);
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+my $prog = 'fmt';
+my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;