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..45\n"; }

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

use Text::Balanced qw ( extract_delimited );

$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";

$var = eval "() = $cmd";

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

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

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

print "ok ", $count++;

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

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_delimited($str,'/#$',undef,'/#$');

/a/;

/a///;

#b#;

#b###;

$c$;

$c$$$;

# TEST EXTRACTION OF DELIMITED TEXT WITH ESCAPES

# USING: extract_delimited($str,'/#$',undef,'\\');

/a/;

/a\//;

#b#;

#b\##;

$c$;

$c\$$;

# TEST EXTRACTION OF DELIMITED TEXT

# USING: extract_delimited($str);

'a';

"b";

`c`;

'a\'';

'a\\';

'\\a';

"a\\";

"\\a";

"b\'\"\'";

`c '\`abc\`'`;

# TEST EXTRACTION OF DELIMITED TEXT

# USING: extract_delimited($str,'/#$','-->');

-->/a/;

-->#b#;

-->$c$;

# THIS SHOULD FAIL

$c$;