public function testClear() { $data = new Dwoo_Data(); $data->assign(array('var2' => '1', 'var3' => 1, 'var4' => 5)); $data->clear(array('var2', 'var4')); $this->assertEquals(array('var3' => 1), $data->getData()); $data->assign('foo', 'moo'); $data->clear('var3'); $this->assertEquals(array('foo' => 'moo'), $data->getData()); }