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#!perl -w
# Check that modifying %INC during an @INC hook does not
# clobber the hook by modifying @INC at the same time.
# See GitHub Issue #20577
chdir "t" if -d "t";
require './test.pl';
skip_all_if_miniperl("as PerlIO layer 'scalar' not supported under miniperl");
set_up_inc( '../lib' );
eval <<'EOF' or die $@;
{
my %fatpacked;
$fatpacked{"Test1.pm"} = <<'TEST1';
package Test1;
sub import {
my $filename = 'Test2.pm';
$INC{$filename} = "the_test_file";
}
1;
TEST1
$fatpacked{"Test2.pm"} = <<'TEST2';
package Test2;
use Test1;
1;
TEST2
my $class = 'FatPacked';
no strict 'refs';
*{"${class}::INC"} = sub {
if ( my $fat = $_[0]{ $_[1] } ) {
open my $fh, '<', \$fat
or die;
return $fh;
}
return;
};
unshift @INC, bless \%fatpacked, $class;
}
1
EOF
ok(UNIVERSAL::isa($INC[0],"FatPacked"), '$INC[0] starts FatPacked');
ok(!exists $INC{"Test1.pm"}, 'Test1.pm not in %INC');
ok(!exists $INC{"Test2.pm"}, 'Test2.pm not in %INC');
my $ok= eval "use Test2; 1";
my $err= !$ok ? $@ : undef;
is($err,undef,"No error loading Test2");
is($ok,1,"Loaded Test2 successfully");
ok(UNIVERSAL::isa($INC[0],"FatPacked"), '$INC[0] is still FatPacked');
ok(UNIVERSAL::isa($INC{"Test1.pm"},"FatPacked"), '$INC{"Test1.pm"} is still FatPacked');
is($INC{"Test2.pm"},"the_test_file", '$INC{"Test2.pm"} is as expected');
is($INC[0],$INC{"Test1.pm"},'Same object in @INC and %INC');
done_testing();
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