1 files changed, 31 insertions, 0 deletions
diff --git a/tests/asgi/tests.py b/tests/asgi/tests.py
index d3cc09cc50..bb1020dd47 100644
--- a/tests/asgi/tests.py
+++ b/tests/asgi/tests.py
@@ -732,3 +732,34 @@ class ASGITest(SimpleTestCase):
                 await handler.read_body(receive_rolled)
         # The second write should have rolled over to disk.
         self.assertTrue(any(t != loop_thread for t in called_threads))
+
+    def test_multiple_cookie_headers_http2(self):
+        test_cases = [
+            {
+                "label": "RFC-compliant headers (no semicolon)",
+                "headers": [
+                    (b"cookie", b"a=abc"),
+                    (b"cookie", b"b=def"),
+                    (b"cookie", b"c=ghi"),
+                ],
+            },
+            {
+                # Some clients may send cookies with trailing semicolons.
+                "label": "Headers with trailing semicolons",
+                "headers": [
+                    (b"cookie", b"a=abc;"),
+                    (b"cookie", b"b=def;"),
+                    (b"cookie", b"c=ghi;"),
+                ],
+            },
+        ]
+
+        for case in test_cases:
+            with self.subTest(case["label"]):
+                scope = self.async_request_factory._base_scope(
+                    path="/", http_version="2.0"
+                )
+                scope["headers"] = case["headers"]
+                request = ASGIRequest(scope, None)
+                self.assertEqual(request.META["HTTP_COOKIE"], "a=abc; b=def; c=ghi")
+                self.assertEqual(request.COOKIES, {"a": "abc", "b": "def", "c": "ghi"})