Explicitly check that our $_; is special, and forced to main::

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

diff --git a/t/op/my.t b/t/op/my.t
old mode 100755 (executable)
new mode 100644 (file)
index d439beb..6a477db
--- a/t/op/my.t
+++ b/t/op/my.t
@@ -1,8 +1,6 @@
 #!./perl
 
-# $RCSfile: my.t,v $
-
-print "1..30\n";
+print "1..36\n";
 
 sub foo {
     my($a, $b) = @_;
@@ -10,7 +8,8 @@ sub foo {
     my $d;
     $c = "ok 3\n";
     $d = "ok 4\n";
-    { my($a,$c) = ("ok 9\n", "ok 10\n"); ($x, $y) = ($a, $c); }
+    { my($a, undef, $c) = ("ok 9\n", "not ok 10\n", "ok 10\n");
+      ($x, $y) = ($a, $c); }
     print $a, $b;
     $c . $d;
 }
@@ -91,3 +90,43 @@ print +(@x ? "not " : ""), "ok 29\n";
 { @x = my %y }
 print +(@x ? "not " : ""), "ok 30\n";
 
+# Found in HTML::FormatPS
+my %fonts = qw(nok 31);
+for my $full (keys %fonts) {
+    $full =~ s/^n//;
+    # Supposed to be copy-on-write via force_normal after a THINKFIRST check.
+    print "$full $fonts{nok}\n";
+}
+
+#  [perl #29340] optimising away the = () left the padav returning the
+# array rather than the contents, leading to 'Bizarre copy of array' error
+
+sub opta { my @a=() }
+sub opth { my %h=() }
+eval { my $x = opta };
+print "not " if $@;
+print "ok 32\n";
+eval { my $x = opth };
+print "not " if $@;
+print "ok 33\n";
+
+
+sub foo3 {
+    ++my $x->{foo};
+    print "not " if defined $x->{bar};
+    ++$x->{bar};
+}
+eval { foo3(); foo3(); };
+print "not " if $@;
+print "ok 34\n";
+
+# my $foo = undef should always assign [perl #37776]
+{
+    my $count = 35;
+    loop:
+    my $test = undef;
+    print "not " if defined $test;
+    print "ok $count\n";
+    $test = 42;
+    goto loop if ++$count < 37;
+}