1 files changed, 104 insertions, 0 deletions
diff --git a/lib/Text/Balanced/t/genxt.t b/lib/Text/Balanced/t/genxt.t
new file mode 100644
index 0000000000..6889653841
--- /dev/null
+++ b/lib/Text/Balanced/t/genxt.t
@@ -0,0 +1,104 @@
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../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..35\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(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>;