--- /dev/null
+--TEST--
+Test extend()
+--SKIPIF--
+<?php if (!extension_loaded("pimple")) print "skip"; ?>
+--FILE--
+<?php
+/*
+ This is part of Pimple::extend() code :
+
+ $extended = function ($c) use ($callable, $factory) {
+ return $callable($factory($c), $c);
+ };
+*/
+
+$p = new Pimple\Container();
+$p[12] = function ($v) { var_dump($v); return 'foo';}; /* $factory in code above */
+
+$c = $p->extend(12, function ($w) { var_dump($w); return 'bar'; }); /* $callable in code above */
+
+var_dump($c('param'));
+--EXPECTF--
+string(5) "param"
+string(3) "foo"
+string(3) "bar"
\ No newline at end of file