public function testOverrideDefaultRenderer()
 {
     $map = new LoggerRendererMap();
     $default = $map->getDefaultRenderer();
     $array = array(1, 2, 3);
     $actual = $map->findAndRender($array);
     $expected = print_r($array, true);
     self::assertSame($actual, $expected);
     // Now switch the default renderer
     $map->setDefaultRenderer('FooRenderer');
     $actual = $map->findAndRender($array);
     $expected = 'foo';
     self::assertSame($actual, $expected);
 }