Mini Shell
#!/usr/bin/perl -w
# Test is_deeply and friends with circular data structures [rt.cpan.org 7289]
BEGIN {
if( $ENV{PERL_CORE} ) {
chdir 't';
@INC = ('../lib', 'lib');
}
else {
unshift @INC, 't/lib';
}
}
use strict;
use Test::More tests => 11;
my $a1 = [ 1, 2, 3 ];
push @$a1, $a1;
my $a2 = [ 1, 2, 3 ];
push @$a2, $a2;
is_deeply $a1, $a2;
ok( eq_array ($a1, $a2) );
ok( eq_set ($a1, $a2) );
my $h1 = { 1=>1, 2=>2, 3=>3 };
$h1->{4} = $h1;
my $h2 = { 1=>1, 2=>2, 3=>3 };
$h2->{4} = $h2;
is_deeply $h1, $h2;
ok( eq_hash ($h1, $h2) );
my ($r, $s);
$r = \$r;
$s = \$s;
ok( eq_array ([$s], [$r]) );
{
# Classic set of circular scalar refs.
my($a,$b,$c);
$a = \$b;
$b = \$c;
$c = \$a;
my($d,$e,$f);
$d = \$e;
$e = \$f;
$f = \$d;
is_deeply( $a, $a );
is_deeply( $a, $d );
}
{
# rt.cpan.org 11623
# Make sure the circular ref checks don't get confused by a reference
# which is simply repeating.
my $a = {};
my $b = {};
my $c = {};
is_deeply( [$a, $a], [$b, $c] );
is_deeply( { foo => $a, bar => $a }, { foo => $b, bar => $c } );
is_deeply( [\$a, \$a], [\$b, \$c] );
}
Zerion Mini Shell 1.0