Add another little test to make sure we roundtrip multiple list comp ifs ok.

Add tests for generator expressions too.

diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index 771fe9db96898dada6df679cc9a9148225630127..8aa1657e621a67d756a58f8b7f66d31bf074811e 100644 (file)
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -51,6 +51,10 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase):
         self.check_expr("[1, 2, 3]")
         self.check_expr("[x**3 for x in range(20)]")
         self.check_expr("[x**3 for x in range(20) if x % 3]")
+        self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")
+        self.check_expr("list(x**3 for x in range(20))")
+        self.check_expr("list(x**3 for x in range(20) if x % 3)")
+        self.check_expr("list(x**3 for x in range(20) if x % 2 if x % 3)")
         self.check_expr("foo(*args)")
         self.check_expr("foo(*args, **kw)")
         self.check_expr("foo(**kw)")