BEGIN {

if ($ENV{PERL_CORE}) {

chdir('t') if -d 't';

@INC = qw(../lib);

}

}

# Before `make install' is performed this script should be runnable with

# `make test'. After `make install' it should work as `perl test.pl'

######################### We start with some black magic to print on failure.

# Change 1..1 below to 1..last_test_to_print .

# (It may become useful if the test is moved to ./t subdirectory.)

BEGIN { $| = 1; print "1..41\n"; }

END {print "not ok 1\n" unless $loaded;}

use Text::Balanced qw ( extract_codeblock );

$loaded = 1;

print "ok 1\n";

$count=2;

use vars qw( $DEBUG );

sub debug { print "\t>>>",@_ if $DEBUG }

######################### End of black magic.

$cmd = "print";

$neg = 0;

while (defined($str = <DATA>))

{

chomp $str;

if ($str =~ s/\A# USING://) { $neg = 0; $cmd = $str; next; }

elsif ($str =~ /\A# TH[EI]SE? SHOULD FAIL/) { $neg = 1; next; }

elsif (!$str || $str =~ /\A#/) { $neg = 0; next }

$str =~ s/\\n/\n/g;

debug "\tUsing: $cmd\n";

debug "\t on: [$str]\n";

my @res;

$var = eval "\@res = $cmd";

debug "\t Failed: $@ at " . $@+0 .")" if $@;

debug "\t list got: [" . join("|",@res) . "]\n";

debug "\t list left: [$str]\n";

print "not " if (substr($str,pos($str)||0,1) eq ';')==$neg;

print "ok ", $count++;

print "\n";

pos $str = 0;

$var = eval $cmd;

$var = "<undef>" unless defined $var;

debug "\t scalar got: [$var]\n";

debug "\t scalar left: [$str]\n";

print "not " if ($str =~ '\A;')==$neg;

print "ok ", $count++;

print " ($@)" if $@ && $DEBUG;

print "\n";

}

__DATA__

# USING: extract_codeblock($str,'(){}',undef,'()');

(Foo(')'));

# USING: extract_codeblock($str);

{ $data[4] =~ /['"]/; };

# USING: extract_codeblock($str,'<>');

< %x = ( try => "this") >;

< %x = () >;

< %x = ( $try->{this}, "too") >;

< %'x = ( $try->{this}, "too") >;

< %'x'y = ( $try->{this}, "too") >;

< %::x::y = ( $try->{this}, "too") >;

# THIS SHOULD FAIL

< %x = do { $try > 10 } >;

# USING: extract_codeblock($str);

{ $a = /\}/; };

{ sub { $_[0] /= $_[1] } }; # / here

{ 1; };

{ $a = 1; };

# USING: extract_codeblock($str,undef,'=*');

========{$a=1};

# USING: extract_codeblock($str,'{}<>');

< %x = do { $try > 10 } >;

# USING: extract_codeblock($str,'{}',undef,'<>');

< %x = do { $try > 10 } >;

# USING: extract_codeblock($str,'{}');

{ $a = $b; # what's this doing here? \n };'

{ $a = $b; \n $a =~ /$b/; \n @a = map /\s/ @b };

# THIS SHOULD FAIL

{ $a = $b; # what's this doing here? };'

{ $a = $b; # what's this doing here? ;'