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test expect base classes

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Benjamin Peterson 2009-10-27 20:59:18 +00:00
parent 8319170abb
commit 26a93c0082
1 changed files with 8 additions and 0 deletions
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8
Lib/test/test_ast.py
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@ -161,6 +161,14 @@ class AST_Tests(unittest.TestCase):
im = ast.parse("from . import y").body[0]
self.assertIsNone(im.module)
def test_base_classes(self):
self.assertTrue(issubclass(ast.For, ast.stmt))
self.assertTrue(issubclass(ast.Name, ast.expr))
self.assertTrue(issubclass(ast.stmt, ast.AST))
self.assertTrue(issubclass(ast.expr, ast.AST))
self.assertTrue(issubclass(ast.comprehension, ast.AST))
self.assertTrue(issubclass(ast.Gt, ast.AST))
def test_nodeclasses(self):
x = ast.BinOp(1, 2, 3, lineno=0)
self.assertEquals(x.left, 1)