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 7bcc196..142b82e 100755 (executable)
--- a/t/op/pat.t
+++ b/t/op/pat.t
@@ -4,11 +4,11 @@
 # 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..177\n";
+print "1..210\n";
 
 BEGIN {
     chdir 't' if -d 't';
-    @INC = "../lib" if -d "../lib";
+    unshift @INC, "../lib" if -d "../lib";
 }
 eval 'use Config';          #  Defaults assumed if this fails
 
@@ -282,14 +282,7 @@ eval qq("${context}y" =~ /(?<=$context)y/);
 print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%;
 print "ok 71\n";
 
-# This one will fail when POSIX character classes do get implemented
-{
-       my $w;
-       local $^W = 1;
-       local $SIG{__WARN__} = sub{$w = shift};
-       eval q('a' =~ /[[:alpha:]]/);
-       print "not " if $w !~ /^\QCharacter class syntax [: :] is reserved/;
-}
+# removed test
 print "ok 72\n";
 
 # Long Monsters
@@ -697,6 +690,13 @@ print "#$#-..$#+\nnot " if $#+ != 2 or $#- != 1;
 print "ok $test\n";
 $test++;
 
+$_ = 'aaa';
+pos = 1;
+@a = /\Ga/g;
+print "not " unless "@a" eq "a a";
+print "ok $test\n";
+$test++;
+
 $str = 'abcde';
 pos $str = 2;
 
@@ -796,8 +796,198 @@ print "#'@res' '$_'\nnot "
 print "ok $test\n";
 $test++;
 
+#Some more \G anchor checks
+$foo='aabbccddeeffgg';
+
+pos($foo)=1;
+
+$foo=~/.\G(..)/g;
+print "not " unless($1 eq 'ab');
+print "ok $test\n";
+$test++;
+
+pos($foo) += 1;
+$foo=~/.\G(..)/g;
+print "not " unless($1 eq 'cc');
+print "ok $test\n";
+$test++;
+
+pos($foo) += 1;
+$foo=~/.\G(..)/g;
+print "not " unless($1 eq 'de');
+print "ok $test\n";
+$test++;
+
+print "not " unless $foo =~ /\Gef/g;
+print "ok $test\n";
+$test++;
+
+undef pos $foo;
+
+$foo=~/\G(..)/g;
+print "not " unless($1  eq 'aa');
+print "ok $test\n";
+$test++;
+
+$foo=~/\G(..)/g;
+print "not " unless($1  eq 'bb');
+print "ok $test\n";
+$test++;
+
+pos($foo)=5;
+$foo=~/\G(..)/g;
+print "not " unless($1  eq 'cd');
+print "ok $test\n";
+$test++;
+
+$_='123x123'; 
+@res = /(\d*|x)/g;
+print "not " unless('123||x|123|' eq join '|', @res);
+print "ok $test\n";
+$test++;
+
 # see if matching against temporaries (created via pp_helem()) is safe
 { foo => "ok $test\n".$^X }->{foo} =~ /^(.*)\n/g;
 print "$1\n";
 $test++;
 
+# See if $i work inside (?{}) in the presense of saved substrings and
+# changing $_
+@a = qw(foo bar);
+@b = ();
+s/(\w)(?{push @b, $1})/,$1,/g for @a;
+
+print "# \@b='@b', expect 'f o o b a r'\nnot " unless("@b" eq "f o o b a r");
+print "ok $test\n";
+$test++;
+
+print "not " unless("@a" eq ",f,,o,,o, ,b,,a,,r,");
+print "ok $test\n";
+$test++;
+
+$brackets = qr{
+                {  (?> [^{}]+ | (?p{ $brackets }) )* }
+             }x;
+
+"{{}" =~ $brackets;
+print "ok $test\n";            # Did we survive?
+$test++;
+
+"something { long { and } hairy" =~ $brackets;
+print "ok $test\n";            # Did we survive?
+$test++;
+
+"something { long { and } hairy" =~ m/((?p{ $brackets }))/;
+print "not " unless $1 eq "{ and }";
+print "ok $test\n";
+$test++;
+
+$_ = "a-a\nxbb";
+pos=1;
+m/^-.*bb/mg and print "not ";
+print "ok $test\n";
+$test++;
+
+$text = "aaXbXcc";
+pos($text)=0;
+$text =~ /\GXb*X/g and print 'not ';
+print "ok $test\n";
+$test++;
+
+$text = "xA\n" x 500;
+$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++;