BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
require './test.pl';
+ set_up_inc('../lib');
}
use strict;
expected_tie_calls(tied $c, 1, 2, 'chomping a ref');
{
+ no warnings 'once'; # main::foo
my $outfile = tempfile();
open my $h, ">$outfile" or die "$0 cannot close $outfile: $!";
+ binmode $h;
print $h "bar\n";
close $h or die "$0 cannot close $outfile: $!";
$c = *foo; # 1 write
open $h, $outfile;
- sysread $h, $c, 3, 7; # 1 read; 1 write
- is $c, "*main::bar", 'what sysread wrote'; # 1 read
- expected_tie_calls(tied $c, 2, 2, 'calling sysread with tied buf');
- close $h or die "$0 cannot close $outfile: $!";
-
- # Do this again, with a utf8 handle
- $c = *foo; # 1 write
- open $h, "<:utf8", $outfile;
- no warnings 'deprecated';
+ binmode $h;
sysread $h, $c, 3, 7; # 1 read; 1 write
is $c, "*main::bar", 'what sysread wrote'; # 1 read
expected_tie_calls(tied $c, 2, 2, 'calling sysread with tied buf');
'mortal magic var is explicitly returned to refgen';
is tied $$x, undef,
'mortal magic var is copied when explicitly returned';
+
+ $tied_to = tie $_{elem}, "Tie::Monitor";
+ $x = \do { 1; delete $_{elem} };
+ expected_tie_calls $tied_to, 1, 0,
+ 'mortal magic var from do passed to refgen';
+ is tied $$x, undef,
+ 'mortal magic var from do is copied';
+}
+
+# For better or worse, the order in which concat args are fetched varies
+# depending on their number. In A .= B.C.D, they are fetched in the order
+# BCDA, while for A .= B, the order is AB (so for a single concat, the LHS
+# tied arg is FETCH()ed first). Make sure multiconcat preserves current
+# behaviour.
+
+package Increment {
+ sub TIESCALAR { bless [0, 0] }
+ # returns a new value for each FETCH, until the first STORE
+ sub FETCH { my $x = $_[0][0]; $_[0][0]++ unless $_[0][1]; $x }
+ sub STORE { @{$_[0]} = ($_[1],1) }
+
+ my $t;
+ tie $t, 'Increment';
+ my $r;
+ $r = $t . $t;
+ ::is $r, '01', 'Increment 01';
+ $r = "-$t-$t-$t-";
+ ::is $r, '-2-3-4-', 'Increment 234';
+ $t .= "-$t-$t-$t-";
+ ::is $t, '8-5-6-7-', 'Increment 8567';
}
done_testing();