Workaround for double-call of destructors (based on 3d56e026 and e1d9e578)

[dbsrgits/DBIx-Class.git] / t / storage / txn_scope_guard.t

diff --git a/t/storage/txn_scope_guard.t b/t/storage/txn_scope_guard.t
index 2f6a00d..afe8c8e 100644 (file)
--- a/t/storage/txn_scope_guard.t
+++ b/t/storage/txn_scope_guard.t
@@ -217,4 +217,29 @@ for my $post_poison (0,1) {
   is(scalar @w, 0, 'no warnings \o/');
 }
 
+# ensure Devel::StackTrace-refcapture-like effects are countered
+{
+  my $s = DBICTest::Schema->connect('dbi:SQLite::memory:');
+  my $g = $s->txn_scope_guard;
+
+  my @arg_capture;
+  {
+    local $SIG{__WARN__} = sub {
+      package DB;
+      my $frnum;
+      while (my @f = caller(++$frnum) ) {
+        push @arg_capture, @DB::args;
+      }
+    };
+
+    undef $g;
+    1;
+  }
+
+  warnings_exist
+    { @arg_capture = () }
+    qr/\QPreventing *MULTIPLE* DESTROY() invocations on DBIx::Class::Storage::TxnScopeGuard/
+  ;
+}
+
 done_testing;