readline.t revision 7c478bd95313f5f23a4c958a745db2134aa03244
#!./perl
BEGIN {
chdir 't';
@INC = '../lib';
require './test.pl';
}
plan tests => 13;
eval { for (\2) { $_ = <FH> } };
like($@, 'Modification of a read-only value attempted', '[perl #19566]');
{
open A,"+>a"; $a = 3;
is($a .= <A>, 3, '#21628 - $a .= <A> , A eof');
close A; $a = 4;
is($a .= <A>, 4, '#21628 - $a .= <A> , A closed');
unlink "a";
}
# 82 is chosen to exceed the length for sv_grow in do_readline (80)
foreach my $k (1, 82) {
my $result
= runperl (stdin => '', stderr => 1,
prog => "\$x = q(k) x $k; \$a{\$x} = qw(v); \$_ = <> foreach keys %a; print qw(end)",
);
$result =~ s/\n\z// if $^O eq 'VMS';
is ($result, "end", '[perl #21614] for length ' . length('k' x $k));
}
foreach my $k (1, 21) {
my $result
= runperl (stdin => ' rules', stderr => 1,
prog => "\$x = q(perl) x $k; \$a{\$x} = q(v); foreach (keys %a) {\$_ .= <>; print}",
);
$result =~ s/\n\z// if $^O eq 'VMS';
is ($result, ('perl' x $k) . " rules", 'rcatline to shared sv for length ' . length('perl' x $k));
}
# These COW tests are not going to show up anything on 5.8.x (No Copy On Write)
# but they do no harm, and it makes life easier to keep this file fully in
# sync with 5.9.x
foreach my $l (1, 82) {
my $k = $l;
$k = 'k' x $k;
my $copy = $k;
$k = <DATA>;
is ($k, "moo\n", 'catline to COW sv for length ' . length $copy);
}
foreach my $l (1, 21) {
my $k = $l;
$k = 'perl' x $k;
my $perl = $k;
$k .= <DATA>;
is ($k, "$perl rules\n", 'rcatline to COW sv for length ' . length $perl);
}
use strict;
use File::Spec;
open F, File::Spec->curdir and sysread F, $_, 1;
my $err = $! + 0;
close F;
SKIP: {
skip "you can read directories as plain files", 2 unless( $err );
$!=0;
open F, File::Spec->curdir and $_=<F>;
ok( $!==$err && !defined($_) => 'readline( DIRECTORY )' );
close F;
$!=0;
{ local $/;
open F, File::Spec->curdir and $_=<F>;
ok( $!==$err && !defined($_) => 'readline( DIRECTORY ) slurp mode' );
close F;
}
}
__DATA__
moo
moo
rules
rules