From 01ee12ba35a333e8a6a25c4153c4a21838e9585c Mon Sep 17 00:00:00 2001
From: Augusto Hack <hack.augusto@gmail.com>
Date: Sun, 2 Jun 2019 23:14:48 -0300
Subject: bpo-33569 Preserve type information with dataclasses.InitVar
 (GH-8927)

---
 Lib/test/test_dataclasses.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Lib/test/test_dataclasses.py')

diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py
index 867210688f5..53e8443c2ad 100755
--- a/Lib/test/test_dataclasses.py
+++ b/Lib/test/test_dataclasses.py
@@ -1097,6 +1097,12 @@ class TestCase(unittest.TestCase):
         c = C(init_param=10)
         self.assertEqual(c.x, 20)
 
+    def test_init_var_preserve_type(self):
+        self.assertEqual(InitVar[int].type, int)
+
+        # Make sure the repr is correct.
+        self.assertEqual(repr(InitVar[int]), 'dataclasses.InitVar[int]')
+
     def test_init_var_inheritance(self):
         # Note that this deliberately tests that a dataclass need not
         #  have a __post_init__ function if it has an InitVar field.
-- 
cgit v1.2.3