SYN SYN

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

diff --git a/t/op/pat.t b/t/op/pat.t
index 439796d..f009086 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..207\n";
+print "1..223\n";
 
 BEGIN {
     chdir 't' if -d 't';
-    unshift @INC, "../lib" if -d "../lib";
+    @INC = '../lib';
 }
 eval 'use Config';          #  Defaults assumed if this fails
 
@@ -266,12 +266,12 @@ print "ok 68\n";
 
 undef $@;
 eval "'aaa' =~ /a{1,$reg_infty}/";
-print "not " if $@ !~ m%^\Q/a{1,$reg_infty}/: Quantifier in {,} bigger than%;
+print "not " if $@ !~ m%^\QQuantifier in {,} bigger than%;
 print "ok 69\n";
 
 eval "'aaa' =~ /a{1,$reg_infty_p}/";
 print "not "
-       if $@ !~ m%^\Q/a{1,$reg_infty_p}/: Quantifier in {,} bigger than%;
+       if $@ !~ m%^\QQuantifier in {,} bigger than%;
 print "ok 70\n";
 undef $@;
 
@@ -279,7 +279,7 @@ undef $@;
 
 $context = 'x' x 256;
 eval qq("${context}y" =~ /(?<=$context)y/);
-print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%;
+print "not " if $@ !~ m%^\QLookbehind longer than 255 not%;
 print "ok 71\n";
 
 # removed test
@@ -369,8 +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;
@@ -569,8 +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++;
 }
@@ -584,8 +588,12 @@ sub make_must_warn {
 my $for_future = make_must_warn('reserved for future extensions');
 
 &$for_future('q(a:[b]:) =~ /[x[:foo:]]/');
-&$for_future('q(a=[b]=) =~ /[x[=foo=]]/');
-&$for_future('q(a.[b].) =~ /[x[.foo.]]/');
+
+#&$for_future('q(a=[b]=) =~ /[x[=foo=]]/');
+print "ok $test\n"; $test++; # now a fatal croak
+
+#&$for_future('q(a.[b].) =~ /[x[.foo.]]/');
+print "ok $test\n"; $test++; # now a fatal croak
 
 # test if failure of patterns returns empty list
 $_ = 'aaa';
@@ -685,6 +693,30 @@ print "not "
 print "ok $test\n";
 $test++;
 
+eval { $+[0] = 13; };
+print "not " 
+   if $@ !~ /^Modification of a read-only value attempted/;
+print "ok $test\n";
+$test++;
+
+eval { $-[0] = 13; };
+print "not " 
+   if $@ !~ /^Modification of a read-only value attempted/;
+print "ok $test\n";
+$test++;
+
+eval { @+ = (7, 6, 5); };
+print "not " 
+   if $@ !~ /^Modification of a read-only value attempted/;
+print "ok $test\n";
+$test++;
+
+eval { @- = qw(foo bar); };
+print "not " 
+   if $@ !~ /^Modification of a read-only value attempted/;
+print "ok $test\n";
+$test++;
+
 /.(a)(ba*)?/;
 print "#$#-..$#+\nnot " if $#+ != 2 or $#- != 1;
 print "ok $test\n";
@@ -866,7 +898,7 @@ print "ok $test\n";
 $test++;
 
 $brackets = qr{
-                {  (?> [^{}]+ | (?p{ $brackets }) )* }
+                {  (?> [^{}]+ | (??{ $brackets }) )* }
              }x;
 
 "{{}" =~ $brackets;
@@ -877,7 +909,7 @@ $test++;
 print "ok $test\n";            # Did we survive?
 $test++;
 
-"something { long { and } hairy" =~ m/((?p{ $brackets }))/;
+"something { long { and } hairy" =~ m/((??{ $brackets }))/;
 print "not " unless $1 eq "{ and }";
 print "ok $test\n";
 $test++;
@@ -978,3 +1010,77 @@ $test++;
 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++;
+
+$w = 0;
+{
+    local $SIG{__WARN__} = sub { $w = 1 };
+    local $^W = 1;
+       $w = 1 if ("1\n" x 102) =~ /^\s*\n/m;
+}
+print $w ? "not " : "", "ok $test\n";
+$test++;
+
+my %space = ( spc   => " ",
+             tab   => "\t",
+             cr    => "\r",
+             lf    => "\n",
+             ff    => "\f",
+# The vertical tabulator seems miraculously be 12 both in ASCII and EBCDIC.
+             vt    => chr(11),
+             false => "space" );
+
+my @space0 = sort grep { $space{$_} =~ /\s/ }          keys %space;
+my @space1 = sort grep { $space{$_} =~ /[[:space:]]/ } keys %space;
+my @space2 = sort grep { $space{$_} =~ /[[:blank:]]/ } keys %space;
+
+print "not " unless "@space0" eq "cr ff lf spc tab";
+print "ok $test\n";
+$test++;
+
+print "not " unless "@space1" eq "cr ff lf spc tab vt";
+print "ok $test\n";
+$test++;
+
+print "not " unless "@space2" eq "spc tab";
+print "ok $test\n";
+$test++;
+