fix bug 67156: overload: nomethod(..., '!') return value inverted

1 files changed, 17 insertions, 2 deletions

diff --git a/lib/overload.t b/lib/overload.t
index d54068eabc..39333cff87 100644
--- a/lib/overload.t
+++ b/lib/overload.t
@@ -47,7 +47,7 @@ sub numify { 0 + "${$_[0]}" }	# Not needed, additional overhead
 package main;
 
 $| = 1;
-use Test::More tests => 605;
+use Test::More tests => 607;
 
 
 $a = new Oscalar "087";
@@ -1420,7 +1420,7 @@ foreach my $op (qw(<=> == != < <= > >=)) {
 }
 
 {
-    # comparison operators with nomethod
+    # comparison operators with nomethod (bug 41546)
     my $warning = "";
     my $method;
 
@@ -1467,6 +1467,21 @@ foreach my $op (qw(<=> == != < <= > >=)) {
 }
 
 {
+    # nomethod called for '!' after attempted fallback
+    my $nomethod_called = 0;
+
+    package nomethod_not;
+    use overload nomethod => sub { $nomethod_called = 'yes'; };
+
+    package main;
+    my $o = bless [], 'nomethod_not';
+    my $res = ! $o;
+
+    is($nomethod_called, 'yes', "nomethod() is called for '!'");
+    is($res, 'yes', "nomethod(..., '!') return value propagates");
+}
+
+{
     # Subtle bug pre 5.10, as a side effect of the overloading flag being
     # stored on the reference rather than the referent. Despite the fact that
     # objects can only be accessed via references (even internally), the