test for ticket #717

tests/run/duplicate_keyword_in_call.py

+# mode: run
+# tags: kwargs, call
+# ticket: 717
+
+def f(**kwargs):
+    return sorted(kwargs.items())
+
+def test_call(kwargs):
+    """
+    >>> kwargs = {'b' : 2}
+    >>> f(a=1, **kwargs)
+    [('a', 1), ('b', 2)]
+    >>> test_call(kwargs)
+    [('a', 1), ('b', 2)]
+
+    >>> kwargs = {'a' : 2}
+    >>> f(a=1, **kwargs)
+    Traceback (most recent call last):
+    TypeError: f() got multiple values for keyword argument 'a'
+
+    FIXME: remove ellipsis, fix function name
+    >>> test_call(kwargs)   # doctest: +ELLIPSIS
+    Traceback (most recent call last):
+    TypeError: ...() got multiple values for keyword argument 'a'
+    """
+    return f(a=1, **kwargs)