94 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
| # xml.etree test for cElementTree
 | |
| 
 | |
| from test import test_support
 | |
| from test.test_support import precisionbigmemtest, _2G
 | |
| import unittest
 | |
| 
 | |
| cET = test_support.import_module('xml.etree.cElementTree')
 | |
| 
 | |
| 
 | |
| @unittest.skipUnless(cET, 'requires _elementtree')
 | |
| class MiscTests(unittest.TestCase):
 | |
|     # Issue #8651.
 | |
|     @precisionbigmemtest(size=_2G + 100, memuse=1)
 | |
|     def test_length_overflow(self, size):
 | |
|         if size < _2G + 100:
 | |
|             self.skipTest("not enough free memory, need at least 2 GB")
 | |
|         data = b'x' * size
 | |
|         parser = cET.XMLParser()
 | |
|         try:
 | |
|             self.assertRaises(OverflowError, parser.feed, data)
 | |
|         finally:
 | |
|             data = None
 | |
| 
 | |
|     def test_del_attribute(self):
 | |
|         element = cET.Element('tag')
 | |
| 
 | |
|         element.tag = 'TAG'
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.tag
 | |
|         self.assertEqual(element.tag, 'TAG')
 | |
| 
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.text
 | |
|         self.assertIsNone(element.text)
 | |
|         element.text = 'TEXT'
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.text
 | |
|         self.assertEqual(element.text, 'TEXT')
 | |
| 
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.tail
 | |
|         self.assertIsNone(element.tail)
 | |
|         element.tail = 'TAIL'
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.tail
 | |
|         self.assertEqual(element.tail, 'TAIL')
 | |
| 
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.attrib
 | |
|         self.assertEqual(element.attrib, {})
 | |
|         element.attrib = {'A': 'B', 'C': 'D'}
 | |
|         with self.assertRaises(AttributeError):
 | |
|             del element.attrib
 | |
|         self.assertEqual(element.attrib, {'A': 'B', 'C': 'D'})
 | |
| 
 | |
|     def test_bpo_31728(self):
 | |
|         # A crash shouldn't happen in case garbage collection triggers a call
 | |
|         # to clear() or a reading of text or tail, while a setter or clear()
 | |
|         # is already running.
 | |
|         elem = cET.Element('elem')
 | |
|         class X:
 | |
|             def __del__(self):
 | |
|                 elem.text
 | |
|                 elem.tail
 | |
|                 elem.clear()
 | |
| 
 | |
|         elem.text = X()
 | |
|         elem.clear()  # shouldn't crash
 | |
| 
 | |
|         elem.tail = X()
 | |
|         elem.clear()  # shouldn't crash
 | |
| 
 | |
|         elem.text = X()
 | |
|         elem.text = X()  # shouldn't crash
 | |
|         elem.clear()
 | |
| 
 | |
|         elem.tail = X()
 | |
|         elem.tail = X()  # shouldn't crash
 | |
|         elem.clear()
 | |
| 
 | |
| 
 | |
| def test_main():
 | |
|     from test import test_xml_etree, test_xml_etree_c
 | |
| 
 | |
|     # Run the tests specific to the C implementation
 | |
|     test_support.run_unittest(MiscTests)
 | |
| 
 | |
|     # Run the same test suite as the Python module
 | |
|     test_xml_etree.test_main(module=cET)
 | |
| 
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     test_main()
 |