/**
  * Test deletion of DataObjects
  *   - Deleting using delete() on the DataObject
  *   - Deleting using DataObject::delete_by_id()
  */
 public function testDelete()
 {
     // Test deleting using delete() on the DataObject
     // Get the first page
     $obj = $this->objFromFixture('DataObjectTest_Player', 'captain1');
     $objID = $obj->ID;
     // Check the page exists before deleting
     $this->assertTrue(is_object($obj) && $obj->exists());
     // Delete the page
     $obj->delete();
     // Check that page does not exist after deleting
     $obj = DataObject::get_by_id('DataObjectTest_Player', $objID);
     $this->assertTrue(!$obj || !$obj->exists());
     // Test deleting using DataObject::delete_by_id()
     // Get the second page
     $obj = $this->objFromFixture('DataObjectTest_Player', 'captain2');
     $objID = $obj->ID;
     // Check the page exists before deleting
     $this->assertTrue(is_object($obj) && $obj->exists());
     // Delete the page
     DataObject::delete_by_id('DataObjectTest_Player', $obj->ID);
     // Check that page does not exist after deleting
     $obj = DataObject::get_by_id('DataObjectTest_Player', $objID);
     $this->assertTrue(!$obj || !$obj->exists());
 }