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-
- import unittest
- from test import test_support
-
- 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.
-
- def test_func_parens_no_unpacking(self):
- 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):
- def f(((((x),)))): return x
- self.check(f, 3, (3,))
- def f(((((x)),))): return x
- self.check(f, 4, (4,))
- def f(((((x))),)): return x
- self.check(f, 5, (5,))
- def f(((x),)): return x
- self.check(f, 6, (6,))
-
- def test_func_2(self):
- def f(((((x)),),)): return x
- self.check(f, 2, ((2,),))
-
- def test_func_3(self):
- def f((((((x)),),),)): return x
- self.check(f, 3, (((3,),),))
-
- def test_func_complex(self):
- def f((((((x)),),),), a, b, c): return x, a, b, c
- self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
-
- def f(((((((x)),)),),), a, b, c): return x, a, b, c
- self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
-
- 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):
- 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):
- f = lambda (((((x),)))): x
- self.check(f, 3, (3,))
- f = lambda (((((x)),))): x
- self.check(f, 4, (4,))
- f = lambda (((((x))),)): x
- self.check(f, 5, (5,))
- f = lambda (((x),)): x
- self.check(f, 6, (6,))
-
- def test_lambda_2(self):
- f = lambda (((((x)),),)): x
- self.check(f, 2, ((2,),))
-
- def test_lambda_3(self):
- f = lambda ((((((x)),),),)): x
- self.check(f, 3, (((3,),),))
-
- def test_lambda_complex(self):
- f = lambda (((((x)),),),), a, b, c: (x, a, b, c)
- self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
-
- f = lambda ((((((x)),)),),), a, b, c: (x, a, b, c)
- self.check(f, (3, 9, 8, 7), (((3,),),), 9, 8, 7)
-
- 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)
-
- if __name__ == "__main__":
- test_main()
-