public function testConstructor()
{
$loader = new ClassLoader();
$loader->addPrefix('Apc\\Namespaced', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
$loader = new ApcClassLoader('test.prefix.', $loader);
$this->assertEquals($loader->findFile('\\Apc\\Namespaced\\FooBar'), apcu_fetch('test.prefix.\\Apc\\Namespaced\\FooBar'), '__construct() takes a prefix as its first argument');
}