/**
  * Empty strings or anything that is not a string is ignored without error
  *
  * @dataProvider	provideInvalidStrings
  * @depends			testAddNamespaceGetNamespaces
  * @return		null
  */
 public function testAddNamespaceInvalidNamespaces($namespace)
 {
     $this->assertSame($this->dependency, $this->dependency->addNamespace($namespace), 'uses a fluent interface');
     $this->assertEquals(array(), $this->dependency->getNamespaces());
 }