Switch several caller() invocations to explicit CORE::caller()

[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 4a2c14b..8213a44 100644 (file)
--- a/t/storage/txn_scope_guard.t
+++ b/t/storage/txn_scope_guard.t
@@ -199,7 +199,7 @@ for my $post_poison (0,1) {
 
   my @w;
   local $SIG{__WARN__} = sub {
-    $_[0] =~ /External exception object .+? \Qimplements partial (broken) overloading/
+    $_[0] =~ /External exception class .+? \Qimplements partial (broken) overloading/
       ? push @w, @_
       : warn @_
   };
@@ -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 $frnum;
+      while (my @f = CORE::caller(++$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;