extend testing

Author: picnixz

Lib/doctest.py

@@ -1758,7 +1758,7 @@ def check_output(self, want, got, optionflags):
         # the NORMALIZE_WHITESPACE and ELLIPSIS flags.
         if optionflags & IGNORE_LINEBREAK:
             # `want` originally ends with '\n' so we add it back
-            want = ''.join(want.split('\n')) + '\n'
+            want = ''.join(want.splitlines()) + '\n'
             if got == want:
                 return True
 

Lib/test/test_doctest/test_doctest.py

@@ -1445,6 +1445,22 @@ def optionflags(): r"""
     abcdefghijklmnopqrstuvwxyz
     ABCDEFGHIJKLMNOPQRSTUVWXYZ
 
+    ... mixing flags:
+
+    >>> import string
+    >>> print(string.ascii_letters)  # doctest: +ELLIPSIS, +IGNORE_LINEBREAK
+    abc...xyz
+    ABC...
+
+    ... mixing flags:
+
+    >>> import string
+    >>> print(list(string.ascii_letters))  # doctest: +IGNORE_LINEBREAK
+    ...                                    # doctest: +ELLIPSIS
+    ...                                    # doctest: +NORMALIZE_WHITESPACE
+    ['a', ..., 'z',
+     'A', ..., 'Z']
+
 The ELLIPSIS flag causes ellipsis marker ("...") in the expected
 output to match any substring in the actual output: