$this->assertXmlStringEqualsXmlFile(self::$fixturesPath.'/xml/services1.xml',$dumper->dump(),'->dump() dumps an empty container as an empty XML file');
$this->fail('->dump() throws a RuntimeException if the container to be dumped has reference to objects or resources');
}
catch(\Exception$e)
{
$this->assertInstanceOf('\RuntimeException',$e,'->dump() throws a RuntimeException if the container to be dumped has reference to objects or resources');
$this->assertEquals('Unable to dump a service container if a parameter is an object or a resource.',$e->getMessage(),'->dump() throws a RuntimeException if the container to be dumped has reference to objects or resources');