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use warnings;
use Test::More;
BEGIN{
BAIL_OUT "A bug in Perl 5.20 regex compilation prevents the use of PPR under that release"
if $] > 5.020 && $] < 5.022;
}
use re 'eval';
plan tests => 4;
use PPR;
my $MATCH_DOCUMENT = qr{ \A (?&PerlDocument) \z $PPR::GRAMMAR }x;
my $code;
$code = <<'_EOT_';
<<A . <<A;
)
A
]]]
A
_EOT_
ok $code =~ $MATCH_DOCUMENT => 'AA';
ok $code =~ $MATCH_DOCUMENT => 'AA again';
$code = <<'_EOT_';
<<A . <<B;
))))
A
]]]]]]]]
B
_EOT_
ok $code =~ $MATCH_DOCUMENT => 'AB';
$code = <<'_EOT_';
<<A . <<A;
)
A
]]]
A
_EOT_
ok $code =~ $MATCH_DOCUMENT => 'AA yet again';
done_testing();
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