Make C<undef ~~ 0> and C<undef ~~ ""> not match (like in 5.10.0)

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

diff --git a/t/op/inc.t b/t/op/inc.t
old mode 100755 (executable)
new mode 100644 (file)
index f722336..99123c7
--- a/t/op/inc.t
+++ b/t/op/inc.t
@@ -2,7 +2,7 @@
 
 # use strict;
 
-print "1..50\n";
+print "1..54\n";
 
 my $test = 1;
 
@@ -270,3 +270,14 @@ for my $n (47..113) {
     last;
 }
 die "Could not find a value which overflows the mantissa" unless $found;
+
+# these will segfault if they fail
+
+sub PVBM () { 'foo' }
+{ my $dummy = index 'foo', PVBM }
+
+ok (scalar eval { my $pvbm = PVBM; $pvbm++ });
+ok (scalar eval { my $pvbm = PVBM; $pvbm-- });
+ok (scalar eval { my $pvbm = PVBM; ++$pvbm });
+ok (scalar eval { my $pvbm = PVBM; --$pvbm });
+