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..37\n"; }

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

use Text::Balanced qw ( gen_extract_tagged );

$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;

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

if ($str =~ s/\A# USING://)

{

$neg = 0;

eval{local$^W;*f = eval $str || die};

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;

$var = eval { @res = f($str) };

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

print "\n";

pos $str = 0;

$var = eval { scalar f($str) };

$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: gen_extract_tagged('{','}');

{ a test };

# USING: gen_extract_tagged(qr/<[A-Z]+>/,undef, undef, {ignore=>["<BR>"]});

<A>aaa<B>bbb<BR>ccc</B>ddd</A>;

# USING: gen_extract_tagged("BEGIN","END");

BEGIN at the BEGIN keyword and END at the END;

BEGIN at the beginning and end at the END;

# USING: gen_extract_tagged(undef,undef,undef,{ignore=>["<[^>]*/>"]});

<A>aaa<B>bbb<BR/>ccc</B>ddd</A>;

# USING: gen_extract_tagged(";","-",undef,{reject=>[";"],fail=>"MAX"});

; at the ;-) keyword

# USING: gen_extract_tagged("<[A-Z]+>",undef, undef, {ignore=>["<BR>"]});

<A>aaa<B>bbb<BR>ccc</B>ddd</A>;

# THESE SHOULD FAIL

BEGIN at the beginning and end at the end;

BEGIN at the BEGIN keyword and END at the end;

# TEST EXTRACTION OF TAGGED STRINGS

# USING: gen_extract_tagged("BEGIN","END",undef,{reject=>["BEGIN","END"]});

# THESE SHOULD FAIL

BEGIN at the BEGIN keyword and END at the end;

# USING: gen_extract_tagged(";","-",undef,{reject=>[";"],fail=>"PARA"});

; at the ;-) keyword

# USING: gen_extract_tagged();

<A>some text</A>;

<B>some text<A>other text</A></B>;

<A>some text<A>other text</A></A>;

<A HREF="#section2">some text</A>;

# THESE SHOULD FAIL

<A>some text

<A>some text<A>other text</A>;

<B>some text<A>other text</B>;