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#!perl
#
# regression tests for old bugs that don't fit other categories
BEGIN {
require Config; import Config;
no warnings 'once';
if ($Config{'extensions'} !~ /\bData\/Dumper\b/) {
print "1..0 # Skip: Data::Dumper was not built\n";
exit 0;
}
}
use strict;
use Test::More tests => 7;
use Data::Dumper;
{
sub iterate_hash {
my ($h) = @_;
my $count = 0;
$count++ while each %$h;
return $count;
}
my $dumper = Data::Dumper->new( [\%ENV], ['ENV'] )->Sortkeys(1);
my $orig_count = iterate_hash(\%ENV);
$dumper->Dump;
my $new_count = iterate_hash(\%ENV);
is($new_count, $orig_count, 'correctly resets hash iterators');
}
# [perl #38612] Data::Dumper core dump in 5.8.6, fixed by 5.8.7
sub foo {
my $s = shift;
local $Data::Dumper::Terse = 1;
my $c = eval Dumper($s);
sub bar::quote { }
bless $c, 'bar';
my $d = Data::Dumper->new([$c]);
$d->Freezer('quote');
return $d->Dump;
}
foo({});
ok(1, "[perl #38612]"); # Still no core dump? We are fine.
{
my %h = (1,2,3,4);
each %h;
my $d = Data::Dumper->new([\%h]);
$d->Useqq(1);
my $txt = $d->Dump();
my $VAR1;
eval $txt;
is_deeply($VAR1, \%h, '[perl #40668] Reset hash iterator');
}
# [perl #64744] Data::Dumper each() bad interaction
{
local $Data::Dumper::Useqq = 1;
my $a = {foo => 1, bar => 1};
each %$a;
$a = {x => $a};
my $d = Data::Dumper->new([$a]);
$d->Useqq(1);
my $txt = $d->Dump();
my $VAR1;
eval $txt;
is_deeply($VAR1, $a, '[perl #64744] Reset hash iterator');
}
# [perl #56766] Segfaults on bad syntax - fixed with version 2.121_17
sub doh
{
# 2nd arg is supposed to be an arrayref
my $doh = Data::Dumper->Dump([\@_],'@_');
}
doh('fixed');
ok(1, "[perl #56766]"); # Still no core dump? We are fine.
# [perl #72332] Segfault on empty-string glob
Data::Dumper->Dump([*{*STDERR{IO}}]);
ok("ok", #ok
"empty-string glob [perl #72332]");
# writing out of bounds with malformed utf8
SKIP: {
eval { require Encode };
skip("Encode not available", 1) if $@;
local $^W=1;
local $SIG{__WARN__} = sub {};
my $a="\x{fc}'" x 50;
Encode::_utf8_on($a);
Dumper $a;
ok("ok", "no crash dumping malformed utf8 with the utf8 flag on");
}
# EOF
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