Issue #22777: Test pickling with all protocols.
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index 66973ed..a962ddc 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -1385,43 +1385,44 @@
" <!ENTITY ent SYSTEM 'http://xml.python.org/entity'>\n"
"]><doc attr='value'> text\n"
"<?pi sample?> <!-- comment --> <e/> </doc>")
- s = pickle.dumps(doc)
- doc2 = pickle.loads(s)
- stack = [(doc, doc2)]
- while stack:
- n1, n2 = stack.pop()
- self.confirm(n1.nodeType == n2.nodeType
- and len(n1.childNodes) == len(n2.childNodes)
- and n1.nodeName == n2.nodeName
- and not n1.isSameNode(n2)
- and not n2.isSameNode(n1))
- if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
- len(n1.entities)
- len(n2.entities)
- len(n1.notations)
- len(n2.notations)
- self.confirm(len(n1.entities) == len(n2.entities)
- and len(n1.notations) == len(n2.notations))
- for i in range(len(n1.notations)):
- # XXX this loop body doesn't seem to be executed?
- no1 = n1.notations.item(i)
- no2 = n1.notations.item(i)
- self.confirm(no1.name == no2.name
- and no1.publicId == no2.publicId
- and no1.systemId == no2.systemId)
- stack.append((no1, no2))
- for i in range(len(n1.entities)):
- e1 = n1.entities.item(i)
- e2 = n2.entities.item(i)
- self.confirm(e1.notationName == e2.notationName
- and e1.publicId == e2.publicId
- and e1.systemId == e2.systemId)
- stack.append((e1, e2))
- if n1.nodeType != Node.DOCUMENT_NODE:
- self.confirm(n1.ownerDocument.isSameNode(doc)
- and n2.ownerDocument.isSameNode(doc2))
- for i in range(len(n1.childNodes)):
- stack.append((n1.childNodes[i], n2.childNodes[i]))
+ for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
+ s = pickle.dumps(doc, proto)
+ doc2 = pickle.loads(s)
+ stack = [(doc, doc2)]
+ while stack:
+ n1, n2 = stack.pop()
+ self.confirm(n1.nodeType == n2.nodeType
+ and len(n1.childNodes) == len(n2.childNodes)
+ and n1.nodeName == n2.nodeName
+ and not n1.isSameNode(n2)
+ and not n2.isSameNode(n1))
+ if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
+ len(n1.entities)
+ len(n2.entities)
+ len(n1.notations)
+ len(n2.notations)
+ self.confirm(len(n1.entities) == len(n2.entities)
+ and len(n1.notations) == len(n2.notations))
+ for i in range(len(n1.notations)):
+ # XXX this loop body doesn't seem to be executed?
+ no1 = n1.notations.item(i)
+ no2 = n1.notations.item(i)
+ self.confirm(no1.name == no2.name
+ and no1.publicId == no2.publicId
+ and no1.systemId == no2.systemId)
+ stack.append((no1, no2))
+ for i in range(len(n1.entities)):
+ e1 = n1.entities.item(i)
+ e2 = n2.entities.item(i)
+ self.confirm(e1.notationName == e2.notationName
+ and e1.publicId == e2.publicId
+ and e1.systemId == e2.systemId)
+ stack.append((e1, e2))
+ if n1.nodeType != Node.DOCUMENT_NODE:
+ self.confirm(n1.ownerDocument.isSameNode(doc)
+ and n2.ownerDocument.isSameNode(doc2))
+ for i in range(len(n1.childNodes)):
+ stack.append((n1.childNodes[i], n2.childNodes[i]))
def testSerializeCommentNodeWithDoubleHyphen(self):
doc = create_doc_without_doctype()