1 files changed, 50 insertions, 1 deletions
diff --git a/Lib/test/test_getargs2.py b/Lib/test/test_getargs2.py
index 4253141dbd..19183867f9 100644
--- a/Lib/test/test_getargs2.py
+++ b/Lib/test/test_getargs2.py
@@ -1,5 +1,6 @@
 import unittest
 from test import test_support
+from _testcapi import getargs_keywords
 
 import warnings
 warnings.filterwarnings("ignore",
@@ -248,9 +249,57 @@ class Tuple_TestCase(unittest.TestCase):
                 raise ValueError
         self.assertRaises(TypeError, getargs_tuple, 1, seq())
 
+class Keywords_TestCase(unittest.TestCase):
+    def test_positional_args(self):
+        # using all positional args
+        self.assertEquals(
+            getargs_keywords((1,2), 3, (4,(5,6)), (7,8,9), 10),
+            (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+            )
+    def test_mixed_args(self):
+        # positional and keyword args
+        self.assertEquals(
+            getargs_keywords((1,2), 3, (4,(5,6)), arg4=(7,8,9), arg5=10),
+            (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+            )
+    def test_keyword_args(self):
+        # all keywords
+        self.assertEquals(
+            getargs_keywords(arg1=(1,2), arg2=3, arg3=(4,(5,6)), arg4=(7,8,9), arg5=10),
+            (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+            )
+    def test_optional_args(self):
+        # missing optional keyword args, skipping tuples
+        self.assertEquals(
+            getargs_keywords(arg1=(1,2), arg2=3, arg5=10),
+            (1, 2, 3, -1, -1, -1, -1, -1, -1, 10)
+            )
+    def test_required_args(self):
+        # required arg missing
+        try:
+            getargs_keywords(arg1=(1,2))
+        except TypeError as err:
+            self.assertEquals(str(err), "Required argument 'arg2' (pos 2) not found")
+        else:
+            self.fail('TypeError should have been raised')
+    def test_too_many_args(self):
+        try:
+            getargs_keywords((1,2),3,(4,(5,6)),(7,8,9),10,111)
+        except TypeError as err:
+            self.assertEquals(str(err), "function takes at most 5 arguments (6 given)")
+        else:
+            self.fail('TypeError should have been raised')
+    def test_invalid_keyword(self):
+        # extraneous keyword arg
+        try:
+            getargs_keywords((1,2),3,arg5=10,arg666=666)
+        except TypeError as err:
+            self.assertEquals(str(err), "'arg666' is an invalid keyword argument for this function")
+        else:
+            self.fail('TypeError should have been raised')
 
 def test_main():
-    tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase]
+    tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase, Keywords_TestCase]
     try:
         from _testcapi import getargs_L, getargs_K
     except ImportError: