fix bug in backtracking optimizer (from Makoto Ishisone

[p5sagit/p5-mst-13.2.git] / t / op / pat.t

diff --git a/t/op/pat.t b/t/op/pat.t
index 5c564aa..142b82e 100755 (executable)
--- a/t/op/pat.t
+++ b/t/op/pat.t
@@ -4,7 +4,7 @@
 # the format supported by op/regexp.t.  If you want to add a test
 # that does fit that format, add it to op/re_tests, not here.
 
-print "1..194\n";
+print "1..210\n";
 
 BEGIN {
     chdir 't' if -d 't';
@@ -898,3 +898,96 @@ $text = "xA\n" x 500;
 $text =~ /^\s*A/m and print 'not ';
 print "ok $test\n";
 $test++;
+
+$text = "abc dbf";
+@res = ($text =~ /.*?(b).*?\b/g);
+"@res" eq 'b b' or print 'not ';
+print "ok $test\n";
+$test++;
+
+@a = map chr,0..255;
+
+@b = grep(/\S/,@a);
+@c = grep(/[^\s]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\S/,@a);
+@c = grep(/[\S]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\s/,@a);
+@c = grep(/[^\S]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\s/,@a);
+@c = grep(/[\s]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\D/,@a);
+@c = grep(/[^\d]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\D/,@a);
+@c = grep(/[\D]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\d/,@a);
+@c = grep(/[^\D]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\d/,@a);
+@c = grep(/[\d]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\W/,@a);
+@c = grep(/[^\w]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\W/,@a);
+@c = grep(/[\W]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\w/,@a);
+@c = grep(/[^\W]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+@b = grep(/\w/,@a);
+@c = grep(/[\w]/,@a);
+print "not " if "@b" ne "@c";
+print "ok $test\n";
+$test++;
+
+# see if backtracking optimization works correctly
+"\n\n" =~ /\n  $ \n/x or print "not ";
+print "ok $test\n";
+$test++;
+
+"\n\n" =~ /\n* $ \n/x or print "not ";
+print "ok $test\n";
+$test++;
+
+"\n\n" =~ /\n+ $ \n/x or print "not ";
+print "ok $test\n";
+$test++;