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[p5sagit/p5-mst-13.2.git] / cpan / Text-Balanced / t / 07_exttag.t

# 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..53\n"; }
END {print "not ok 1\n" unless $loaded;}
use Text::Balanced qw ( extract_tagged 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 $str;
	if ($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 list got: [" . join("|",map {defined $_ ? $_ : '<undef>'} @res) . "]\n";
	debug "\t list left: [$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 $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: gen_extract_tagged("BEGIN([A-Z]+)",'END$1',"(?s).*?(?=BEGIN)")->($str);
	ignore\n this and then BEGINHERE at the ENDHERE;
	ignore\n this and then BEGINTHIS at the ENDTHIS;

# USING: extract_tagged($str,"BEGIN([A-Z]+)",'END$1',"(?s).*?(?=BEGIN)");
	ignore\n this and then BEGINHERE at the ENDHERE;
	ignore\n this and then BEGINTHIS at the ENDTHIS;

# USING: extract_tagged($str,"BEGIN([A-Z]+)",'END$1',"(?s).*?(?=BEGIN)");
	ignore\n this and then BEGINHERE at the ENDHERE;
	ignore\n this and then BEGINTHIS at the ENDTHIS;

# THIS SHOULD FAIL
	ignore\n this and then BEGINTHIS at the ENDTHAT;

# USING: extract_tagged($str,"BEGIN","END","(?s).*?(?=BEGIN)");
	ignore\n this and then BEGIN at the END;

# USING: extract_tagged($str);
	<A-1 HREF="#section2">some text</A-1>;

# USING: extract_tagged($str,qr/<[A-Z]+>/,undef, undef, {ignore=>["<BR>"]});
	<A>aaa<B>bbb<BR>ccc</B>ddd</A>;

# USING: extract_tagged($str,"BEGIN","END");
	BEGIN at the BEGIN keyword and END at the END;
	BEGIN at the beginning and end at the END;

# USING: extract_tagged($str,undef,undef,undef,{ignore=>["<[^>]*/>"]});
	<A>aaa<B>bbb<BR/>ccc</B>ddd</A>;

# USING: extract_tagged($str,";","-",undef,{reject=>[";"],fail=>"MAX"});
	; at the ;-) keyword

# USING: extract_tagged($str,"<[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: extract_tagged($str,"BEGIN","END",undef,{reject=>["BEGIN","END"]});
# THESE SHOULD FAIL
	BEGIN at the BEGIN keyword and END at the end;

# USING: extract_tagged($str,";","-",undef,{reject=>[";"],fail=>"PARA"});
	; at the ;-) keyword


# USING: extract_tagged($str);
	<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>;