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110 lines
2.8 KiB
Bash
Executable File
110 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# Test whether programs exit upon a single EOF from a tty.
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# Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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: ${PERL=perl}
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$PERL -e 1 > /dev/null 2>&1 || {
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echo 1>&2 "$0: configure didn't find a usable version of Perl," \
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"so can't run this test"
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exit 77
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}
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ARGV_0=$0
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export ARGV_0
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exec $PERL -w -- - <<\EOF
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# Ensure that cat exits upon a single EOF (^D) from a tty.
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# Do the same for all programs that can read stdin,
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# require no arguments and that write to standard output.
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use strict;
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(my $ME = $ENV{ARGV_0}) =~ s|.*/||;
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# Some older versions of Expect.pm (e.g. 1.07) lack the log_user method,
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# so check for that, too.
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eval { require Expect; Expect->require_version('1.11') };
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$@ and (warn "$ME: this script requires Perl's Expect package >=1.11\n"),
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exit 77;
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{
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my $fail = 0;
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my @stdin_reading_commands = qw(
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base64
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cat
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cksum
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dd
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expand
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fmt
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fold
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head
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md5sum
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nl
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od
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paste
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pr
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ptx
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sha1sum
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sha224sum
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sha256sum
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sha384sum
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sha512sum
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sort
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sum
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tac
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tail
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tee
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tsort
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unexpand
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uniq
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wc
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);
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foreach my $cmd ((@stdin_reading_commands), 'cut -f2')
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{
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my $exp = new Expect;
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$exp->log_user(0);
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$exp->spawn($cmd)
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or (warn "$ME: cannot run `$cmd': $!\n"), $fail=1, next;
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# No input for cut -f2.
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$cmd =~ /^cut/
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or $exp->send("a b\n");
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$exp->send("\cD"); # This is Control-D. FIXME: what if that's not EOF?
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$exp->expect (0, '-re', "^a b\\r?\$");
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my $found = $exp->expect (1, '-re', "^.+\$");
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# $found and warn "F: $found: " . $exp->exp_match () . "\n";
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$exp->expect(1, 'eof');
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# Expect no output from cut, since we gave it no input.
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defined $found || $cmd =~ /^cut/
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or (warn "$ME: $cmd didn't produce expected output\n"),
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$fail=1, next;
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defined defined $exp->exitstatus
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or (warn "$ME: $cmd didn't exit after ^D from standard input\n"),
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$fail=1, next;
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my $s = $exp->exitstatus;
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$s == 0
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or (warn "$ME: $cmd exited with status $s (expected 0)\n"),
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$fail=1;
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$exp->hard_close();
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}
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exit $fail
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}
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EOF
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