Silence some py3k SyntaxWarning using check_py3k_warnings() with "exec" statements.

Lib/test/test_compile.py

@@ -2,6 +2,7 @@ import unittest
 import sys
 import _ast
 from test import test_support
+import textwrap
 
 class TestSpecifics(unittest.TestCase):
 
@@ -142,6 +143,9 @@ def f(x):
 
     def test_complex_args(self):
 
+        with test_support.check_py3k_warnings(
+                ("tuple parameter unpacking has been removed", SyntaxWarning)):
+            exec textwrap.dedent('''
         def comp_args((a, b)):
             return a,b
         self.assertEqual(comp_args((1, 2)), (1, 2))
@@ -159,6 +163,7 @@ def f(x):
             return a, b, c
         self.assertEqual(comp_args(1, (2, 3)), (1, 2, 3))
         self.assertEqual(comp_args(), (2, 3, 4))
+        ''')
 
     def test_argument_order(self):
         try:

Lib/test/test_complex_args.py

 
 import unittest
 from test import test_support
+import textwrap
 
 class ComplexArgsTestCase(unittest.TestCase):
 
     def check(self, func, expected, *args):
         self.assertEqual(func(*args), expected)
 
-    # These functions are tested below as lambdas too.  If you add a function test,
-    # also add a similar lambda test.
+    # These functions are tested below as lambdas too.  If you add a
+    # function test, also add a similar lambda test.
+
+    # Functions are wrapped in "exec" statements in order to
+    # silence Py3k warnings.
 
     def test_func_parens_no_unpacking(self):
+        exec textwrap.dedent("""
         def f(((((x))))): return x
         self.check(f, 1, 1)
         # Inner parens are elided, same as: f(x,)
         def f(((x)),): return x
         self.check(f, 2, 2)
+        """)
 
     def test_func_1(self):
+        exec textwrap.dedent("""
         def f(((((x),)))): return x
         self.check(f, 3, (3,))
         def f(((((x)),))): return x
@@ -26,16 +33,22 @@ class ComplexArgsTestCase(unittest.TestCase):
         self.check(f, 5, (5,))
         def f(((x),)): return x
         self.check(f, 6, (6,))
+        """)
 
     def test_func_2(self):
+        exec textwrap.dedent("""
         def f(((((x)),),)): return x
         self.check(f, 2, ((2,),))
+        """)
 
     def test_func_3(self):
+        exec textwrap.dedent("""
         def f((((((x)),),),)): return x
         self.check(f, 3, (((3,),),))
+        """)
 
     def test_func_complex(self):
+        exec textwrap.dedent("""
         def f((((((x)),),),), a, b, c): return x, a, b, c
         self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
 
@@ -44,18 +57,22 @@ class ComplexArgsTestCase(unittest.TestCase):
 
         def f(a, b, c, ((((((x)),)),),)): return a, b, c, x
         self.check(f, (9, 8, 7, 3), 9, 8, 7, (((3,),),))
+        """)
 
     # Duplicate the tests above, but for lambda.  If you add a lambda test,
     # also add a similar function test above.
 
     def test_lambda_parens_no_unpacking(self):
+        exec textwrap.dedent("""
         f = lambda (((((x))))): x
         self.check(f, 1, 1)
         # Inner parens are elided, same as: f(x,)
         f = lambda ((x)),: x
         self.check(f, 2, 2)
+        """)
 
     def test_lambda_1(self):
+        exec textwrap.dedent("""
         f = lambda (((((x),)))): x
         self.check(f, 3, (3,))
         f = lambda (((((x)),))): x
@@ -64,16 +81,22 @@ class ComplexArgsTestCase(unittest.TestCase):
         self.check(f, 5, (5,))
         f = lambda (((x),)): x
         self.check(f, 6, (6,))
+        """)
 
     def test_lambda_2(self):
+        exec textwrap.dedent("""
         f = lambda (((((x)),),)): x
         self.check(f, 2, ((2,),))
+        """)
 
     def test_lambda_3(self):
+        exec textwrap.dedent("""
         f = lambda ((((((x)),),),)): x
         self.check(f, 3, (((3,),),))
+        """)
 
     def test_lambda_complex(self):
+        exec textwrap.dedent("""
         f = lambda (((((x)),),),), a, b, c: (x, a, b, c)
         self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
 
@@ -82,10 +105,14 @@ class ComplexArgsTestCase(unittest.TestCase):
 
         f = lambda a, b, c, ((((((x)),)),),): (a, b, c, x)
         self.check(f, (9, 8, 7, 3), 9, 8, 7, (((3,),),))
+        """)
 
 
 def test_main():
-    test_support.run_unittest(ComplexArgsTestCase)
+    with test_support.check_py3k_warnings(
+            ("tuple parameter unpacking has been removed", SyntaxWarning),
+            ("parenthesized argument names are invalid", SyntaxWarning)):
+        test_support.run_unittest(ComplexArgsTestCase)
 
 if __name__ == "__main__":
     test_main()