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#!/bin/sh
: ${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;
foreach my $cmd (qw( cat cksum dd expand fmt fold head md5sum nl od
paste pr ptx sha1sum sort sum tac tee tail tsort
unexpand uniq wc ), 'cut -f2')
{
my $exp = new Expect;
$exp->log_user(0);
$exp->spawn($cmd)
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 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();
}
exit $fail
}
EOF
|
