diff options
Diffstat (limited to 'tests/misc/tty-eof')
| -rwxr-xr-x | tests/misc/tty-eof | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tests/misc/tty-eof b/tests/misc/tty-eof new file mode 100755 index 0000000..dca154e --- /dev/null +++ b/tests/misc/tty-eof @@ -0,0 +1,128 @@ +#!/bin/sh +# -*- perl -*- +# Test whether programs exit upon a single EOF from a tty. + +# Copyright (C) 2003, 2006, 2007 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +: ${PERL=perl} + +$PERL -e 1 > /dev/null 2>&1 || { + echo 1>&2 "$0: configure didn't find a usable version of Perl," \ + "so can't run this test" + exit 77 +} + +ARGV_0=$0 +export ARGV_0 + +exec $PERL -w -- - <<\EOF + +# Ensure that cat exits upon a single EOF (^D) from a tty. +# Do the same for all programs that can read stdin, +# require no arguments and that write to standard output. +use strict; + +(my $ME = $ENV{ARGV_0}) =~ s|.*/||; + +# Some older versions of Expect.pm (e.g. 1.07) lack the log_user method, +# so check for that, too. +eval { require Expect; Expect->require_version('1.11') }; +$@ and (warn "$ME: this script requires Perl's Expect package >=1.11\n"), + exit 77; + +{ + my $fail = 0; + my @stdin_reading_commands = qw( + base64 + cat + cksum + dd + expand + fmt + fold + head + md5sum + nl + od + paste + pr + ptx + sha1sum + sha224sum + sha256sum + sha384sum + sha512sum + shuf + sort + sum + tac + tail + tee + tsort + unexpand + uniq + wc + ); + my $stderr = 'tty-eof.err'; + foreach my $cmd ((@stdin_reading_commands), 'cut -f2') + { + my $exp = new Expect; + $exp->log_user(0); + $exp->spawn("$cmd 2> $stderr") + or (warn "$ME: cannot run `$cmd': $!\n"), $fail=1, next; + # No input for cut -f2. + $cmd =~ /^cut/ + or $exp->send("a b\n"); + $exp->send("\cD"); # This is Control-D. FIXME: what if that's not EOF? + $exp->expect (0, '-re', "^a b\\r?\$"); + my $found = $exp->expect (1, '-re', "^.+\$"); + # $found and warn "F: $found: " . $exp->exp_match () . "\n"; + $exp->expect(1, 'eof'); + # Expect no output from cut, since we gave it no input. + defined $found || $cmd =~ /^cut/ + or (warn "$ME: $cmd didn't produce expected output\n"), + $fail=1, next; + defined $exp->exitstatus + or (warn "$ME: $cmd didn't exit after ^D from standard input\n"), + $fail=1, next; + my $s = $exp->exitstatus; + $s == 0 + or (warn "$ME: $cmd exited with status $s (expected 0)\n"), + $fail=1; + $exp->hard_close(); + + # dd normally writes to stderr. If it exits successfully, we're done. + $cmd eq 'dd' && $s == 0 + and next; + + if (-s $stderr) + { + warn "$ME: $cmd wrote to stderr:\n"; + system "cat $stderr"; + $fail = 1; + } + } + continue + { + unlink $stderr + or warn "$ME: failed to remove stderr file from $cmd, $stderr: $!\n"; + } + + exit $fail +} +EOF |