/**
  * Testing Namespaces
  *
  * @return void
  */
 public function testNamespaces()
 {
     $this->assertEquals(array(), Zend_Filter::getDefaultNamespaces());
     $this->assertFalse(Zend_Filter::hasDefaultNamespaces());
     Zend_Filter::setDefaultNamespaces('TestDir');
     $this->assertEquals(array('TestDir'), Zend_Filter::getDefaultNamespaces());
     Zend_Filter::setDefaultNamespaces('OtherTestDir');
     $this->assertEquals(array('OtherTestDir'), Zend_Filter::getDefaultNamespaces());
     $this->assertTrue(Zend_Filter::hasDefaultNamespaces());
     Zend_Filter::setDefaultNamespaces(array());
     $this->assertEquals(array(), Zend_Filter::getDefaultNamespaces());
     $this->assertFalse(Zend_Filter::hasDefaultNamespaces());
     Zend_Filter::addDefaultNamespaces(array('One', 'Two'));
     $this->assertEquals(array('One', 'Two'), Zend_Filter::getDefaultNamespaces());
     Zend_Filter::addDefaultNamespaces('Three');
     $this->assertEquals(array('One', 'Two', 'Three'), Zend_Filter::getDefaultNamespaces());
     Zend_Filter::setDefaultNamespaces(array());
 }