Augment #6539 a bit: don't croak if there's magic in the air.

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

diff --git a/t/op/pat.t b/t/op/pat.t
index b56f7b4..81591fc 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..185\n";
+print "1..215\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
@@ -376,8 +369,12 @@ print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne $expect;
 print "ok $test\n";
 $test++;
 
+print "not " unless "abc" =~ /^(??{"a"})b/;
+print "ok $test\n";
+$test++;
+
 my $matched;
-$matched = qr/\((?:(?>[^()]+)|(?p{$matched}))*\)/;
+$matched = qr/\((?:(?>[^()]+)|(??{$matched}))*\)/;
 
 @ans = @ans1 = ();
 push(@ans, $res), push(@ans1, $&) while $res = m/$matched/g;
@@ -576,8 +573,8 @@ sub must_warn_pat {
 
 sub must_warn {
     my ($warn_pat, $code) = @_;
-    local $^W; local %SIG;
-    eval 'BEGIN { $^W = 1; $SIG{__WARN__} = $warn_pat };' . $code;
+    local %SIG;
+    eval 'BEGIN { use warnings; $SIG{__WARN__} = $warn_pat };' . $code;
     print "ok $test\n";
     $test++;
 }
@@ -825,6 +822,10 @@ 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;
@@ -854,3 +855,169 @@ $test++;
 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{
+                {  (?> [^{}]+ | (??{ $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/((??{ $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++;
+
+[] =~ /^ARRAY/ or print "# [] \nnot ";
+print "ok $test\n";
+$test++;
+
+eval << 'EOE';
+{
+ package S;
+ use overload '""' => sub { 'Object S' };
+ sub new { bless [] }
+}
+$a = 'S'->new;
+EOE
+
+$a and $a =~ /^Object\sS/ or print "# '$a' \nnot ";
+print "ok $test\n";
+$test++;
+
+# test result of match used as match (!)
+'a1b' =~ ('xyz' =~ /y/) and $` eq 'a' or print "not ";
+print "ok $test\n";
+$test++;
+
+'a1b' =~ ('xyz' =~ /t/) and $` eq 'a' or print "not ";
+print "ok $test\n";
+$test++;