aio-libs
diff --git a/‎CHANGES/821.contrib.rst‎
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diff --git a/‎CHANGES/822.contrib.rst‎
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diff --git a/‎tests/test_url_parsing.py‎
Lines changed: 8 additions & 2 deletions b/‎tests/test_url_parsing.py‎
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@@ -0,0 +1 @@
+822.contrib.rst
@@ -0,0 +1,2 @@
+A regression test for no-host URLs was added per :issue:`821`
+and :rfc:`3986` -- by :user:`kenballus`.
@@ -214,9 +214,15 @@ def test_no_path(self):
         assert u.query_string == ""
         assert u.fragment == ""
 
+    @pytest.mark.xfail(reason="https://github.com/aio-libs/yarl/issues/821")
     def test_no_host(self):
-        with pytest.raises(ValueError):
-            URL("//:80")
+        u = URL("//:80")
+        assert u.scheme == ""
+        assert u.host == ""
+        assert u.port == 80
+        assert u.path == "/"
+        assert u.query_string == ""
+        assert u.fragment == ""
 
     def test_double_port(self):
         with pytest.raises(ValueError):
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+A regression test for no-host URLs was added per :issue:`821`
	`2`	+and :rfc:`3986` -- by :user:`kenballus`.