1 files changed, 5 insertions, 0 deletions
diff --git a/t/basic.t b/t/basic.t
index ea59925..14eda8d 100644
--- a/t/basic.t
+++ b/t/basic.t
@@ -13,6 +13,11 @@ circular::require->unimport;
     local $SIG{__WARN__} = sub { $warnings .= $_[0] };
     use_ok('Foo');
     is($warnings, "Circular require detected: Foo.pm (from Baz.pm)\nCircular require detected: Baz.pm (from Bar.pm)\n", "correct warnings");
+
+    undef $warnings;
+    use_ok('Foo');
+    is($warnings, undef, "using the same file twice doesn't repeat warnings");
+
     clear();
 }