Bug 1694058 [wpt PR 27720] - [URL] Ensure that path-only URLs do not have their paths erased by th…, a=testonly

Automatic update from web-platform-tests
URL: pathname setter should not erase path-only URL paths

For https://github.com/whatwg/url/pull/582.

Co-authored-by: Anne van Kesteren <annevk@annevk.nl>
--

wpt-commits: 77d54aa9e0405f737987b59331f3584e3e1c26f9
wpt-pr: 27720

testing/web-platform/tests/url/resources/setters_tests.json

@@ -1611,6 +1611,51 @@
                 "pathname": "me@example.net"
             }
         },
+        {
+            "comment": "Special URLs cannot have their paths erased",
+            "href": "file:///some/path",
+            "new_value": "",
+            "expected": {
+                "href": "file:///",
+                "pathname": "/"
+            }
+        },
+        {
+            "comment": "Non-special URLs can have their paths erased",
+            "href": "foo://somehost/some/path",
+            "new_value": "",
+            "expected": {
+                "href": "foo://somehost",
+                "pathname": ""
+            }
+        },
+        {
+            "comment": "Non-special URLs with an empty host can have their paths erased",
+            "href": "foo:///some/path",
+            "new_value": "",
+            "expected": {
+                "href": "foo://",
+                "pathname": ""
+            }
+        },
+        {
+            "comment": "Path-only URLs cannot have their paths erased",
+            "href": "foo:/some/path",
+            "new_value": "",
+            "expected": {
+                "href": "foo:/",
+                "pathname": "/"
+            }
+        },
+        {
+            "comment": "Path-only URLs always have an initial slash",
+            "href": "foo:/some/path",
+            "new_value": "test",
+            "expected": {
+                "href": "foo:/test",
+                "pathname": "/test"
+            }
+        },
         {
             "href": "unix:/run/foo.socket?timeout=10",
             "new_value": "/var/log/../run/bar.socket",