1 files changed, 98 insertions, 0 deletions
diff --git a/test/functional/arguments.py b/test/functional/arguments.py
new file mode 100644
index 0000000..46dae22
--- /dev/null
+++ b/test/functional/arguments.py
@@ -0,0 +1,98 @@
+# pylint: disable=too-few-public-methods
+"""Test function argument checker"""
+
+def decorator(fun):
+    """Decorator"""
+    return fun
+
+
+class DemoClass(object):
+    """Test class for method invocations."""
+
+    @staticmethod
+    def static_method(arg):
+        """static method."""
+        return arg + arg
+
+    @classmethod
+    def class_method(cls, arg):
+        """class method"""
+        return arg + arg
+
+    def method(self, arg):
+        """method."""
+        return (self, arg)
+
+    @decorator
+    def decorated_method(self, arg):
+        """decorated method."""
+        return (self, arg)
+
+
+def function_1_arg(first_argument):
+    """one argument function"""
+    return first_argument
+
+def function_3_args(first_argument, second_argument, third_argument):
+    """three arguments function"""
+    return first_argument, second_argument, third_argument
+
+def function_default_arg(one=1, two=2):
+    """fonction with default value"""
+    return two, one
+
+
+function_1_arg(420)
+function_1_arg()  # [no-value-for-parameter]
+function_1_arg(1337, 347)  # [too-many-function-args]
+
+function_3_args(420, 789)  # [no-value-for-parameter]
+# +1:[no-value-for-parameter,no-value-for-parameter,no-value-for-parameter]
+function_3_args()
+function_3_args(1337, 347, 456)
+function_3_args('bab', 'bebe', None, 5.6)  # [too-many-function-args]
+
+function_default_arg(1, two=5)
+function_default_arg(two=5)
+
+function_1_arg(bob=4)  # [unexpected-keyword-arg,no-value-for-parameter]
+function_default_arg(1, 4, coin="hello")  # [unexpected-keyword-arg]
+
+function_default_arg(1, one=5)  # [redundant-keyword-arg]
+
+# Remaining tests are for coverage of correct names in messages.
+LAMBDA = lambda arg: 1
+
+LAMBDA()  # [no-value-for-parameter]
+
+def method_tests():
+    """"Method invocations."""
+    demo = DemoClass()
+    demo.static_method()  # [no-value-for-parameter]
+    DemoClass.static_method()  # [no-value-for-parameter]
+
+    demo.class_method()  # [no-value-for-parameter]
+    DemoClass.class_method()  # [no-value-for-parameter]
+
+    demo.method()  # [no-value-for-parameter]
+    DemoClass.method(demo)  # [no-value-for-parameter]
+
+    demo.decorated_method()  # [no-value-for-parameter]
+    DemoClass.decorated_method(demo)  # [no-value-for-parameter]
+
+# Test a regression (issue #234)
+import sys
+
+class Text(object):
+    """ Regression """
+
+    if sys.version_info > (3,):
+        def __new__(cls):
+            """ empty """
+            return object.__new__(cls)
+    else:
+        def __new__(cls):
+            """ empty """
+            return object.__new__(cls)
+
+Text()