Test case for C<undef %File::Glob::>

[perl5.git] / t / op / taint.t

diff --git a/t/op/taint.t b/t/op/taint.t
index af57834..2958a37 100755 (executable)
--- a/t/op/taint.t
+++ b/t/op/taint.t
@@ -9,7 +9,7 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    unshift @INC, '../lib' if -d '../lib';
+    @INC = '../lib';
 }
 
 use strict;
@@ -19,6 +19,8 @@ use Config;
 # just because Errno possibly failing.
 eval { require Errno; import Errno };
 
+use vars qw($ipcsysv); # did we manage to load IPC::SysV?
+
 BEGIN {
   if ($^O eq 'VMS' && !defined($Config{d_setenv})) {
       $ENV{PATH} = $ENV{PATH};
@@ -26,8 +28,11 @@ BEGIN {
   }
   if ($Config{'extensions'} =~ /\bIPC\/SysV\b/
       && ($Config{d_shm} || $Config{d_msg})) {
-     require IPC::SysV;
-     IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU));
+      eval { require IPC::SysV };
+      unless ($@) {
+         $ipcsysv++;
+         IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU));
+      }
   }
 }
 
@@ -99,7 +104,7 @@ print PROG 'print "@ARGV\n"', "\n";
 close PROG;
 my $echo = "$Invoke_Perl $ECHO";
 
-print "1..151\n";
+print "1..155\n";
 
 # First, let's make sure that Perl is checking the dangerous
 # environment variables. Maybe they aren't set yet, so we'll
@@ -613,13 +618,17 @@ else {
 
 # test shmread
 {
+    unless ($ipcsysv) {
+       print "ok 150 # skipped: no IPC::SysV\n";
+       last;
+    }
     if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_shm}) {
        no strict 'subs';
        my $sent = "foobar";
        my $rcvd;
        my $size = 2000;
-       my $id = shmget(IPC_PRIVATE, $size, S_IRWXU) ||
-           warn "# shmget failed: $!\n";
+       my $id = shmget(IPC_PRIVATE, $size, S_IRWXU);
+
        if (defined $id) {
            if (shmwrite($id, $sent, 0, 60)) {
                if (shmread($id, $rcvd, 0, 60)) {
@@ -630,7 +639,7 @@ else {
            } else {
                warn "# shmwrite failed: $!\n";
            }
-           shmctl($id, IPC_RMID, 0) || warn "# shmctl failed: $!\n";
+           shmctl($id, IPC_RMID, 0) or warn "# shmctl failed: $!\n";
        } else {
            warn "# shmget failed: $!\n";
        }
@@ -647,6 +656,10 @@ else {
 
 # test msgrcv
 {
+    unless ($ipcsysv) {
+       print "ok 151 # skipped: no IPC::SysV\n";
+       last;
+    }
     if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_msg}) {
        no strict 'subs';
        my $id = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU);
@@ -666,7 +679,7 @@ else {
            } else {
                warn "# msgsnd failed\n";
            }
-           msgctl($id, IPC_RMID, 0) || warn "# msgctl failed: $!\n";
+           msgctl($id, IPC_RMID, 0) or warn "# msgctl failed: $!\n";
        } else {
            warn "# msgget failed\n";
        }
@@ -681,3 +694,42 @@ else {
     }
 }
 
+{
+    # bug id 20001004.006
+
+    open IN, "./TEST" or warn "$0: cannot read ./TEST: $!" ;
+    local $/;
+    my $a = <IN>;
+    my $b = <IN>;
+    print "not " unless tainted($a) && tainted($b) && !defined($b);
+    print "ok 152\n";
+    close IN;
+}
+
+{
+    # bug id 20001004.007
+
+    open IN, "./TEST" or warn "$0: cannot read ./TEST: $!" ;
+    my $a = <IN>;
+
+    my $c = { a => 42,
+             b => $a };
+    print "not " unless !tainted($c->{a}) && tainted($c->{b});
+    print "ok 153\n";
+
+    my $d = { a => $a,
+             b => 42 };
+    print "not " unless tainted($d->{a}) && !tainted($d->{b});
+    print "ok 154\n";
+
+    my $e = { a => 42,
+             b => { c => $a, d => 42 } };
+    print "not " unless !tainted($e->{a}) &&
+                       !tainted($e->{b}) &&
+                        tainted($e->{b}->{c}) &&
+                       !tainted($e->{b}->{d});
+    print "ok 155\n";
+
+    close IN;
+}
+