--- /dev/null
+--TEST--
+Test protect()
+--SKIPIF--
+<?php if (!extension_loaded("pimple")) print "skip"; ?>
+--FILE--
+<?php
+
+$p = new Pimple\Container();
+$f = function () { return 'foo'; };
+$p['foo'] = $f;
+
+$p->protect($f);
+
+var_dump($p['foo']);
+--EXPECTF--
+object(Closure)#%i (0) {
+}
\ No newline at end of file