diff --git a/url/resources/setters_tests.json b/url/resources/setters_tests.json
index d040d081c6d467..347caf49ab0520 100644
--- a/url/resources/setters_tests.json
+++ b/url/resources/setters_tests.json
@@ -1061,6 +1061,42 @@
                 "host": "",
                 "hostname": ""
             }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "a%C2%ADb",
+            "expected": {
+                "href": "https://ab/",
+                "host": "ab",
+                "hostname": "ab"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "\u00AD",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "%C2%AD",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "xn--",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
         }
     ],
     "hostname": [
@@ -1436,6 +1472,42 @@
                 "host": "",
                 "hostname": ""
             }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "a%C2%ADb",
+            "expected": {
+                "href": "https://ab/",
+                "host": "ab",
+                "hostname": "ab"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "\u00AD",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "%C2%AD",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
+        },
+        {
+            "href": "https://example.com/",
+            "new_value": "xn--",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com"
+            }
         }
     ],
     "port": [
diff --git a/url/resources/toascii.json b/url/resources/toascii.json
index 4cb41e94cd4a0f..bca28b4a1e454a 100644
--- a/url/resources/toascii.json
+++ b/url/resources/toascii.json
@@ -160,23 +160,6 @@
     "input": "a\u00ADb",
     "output": "ab"
   },
-  {
-    "input": "a%C2%ADb",
-    "output": "ab"
-  },
-  {
-    "comment": "Empty host after domain to ASCII",
-    "input": "\u00AD",
-    "output": null
-  },
-  {
-    "input": "%C2%AD",
-    "output": null
-  },
-  {
-    "input": "xn--",
-    "output": null
-  },
   {
     "comment": "Interesting UseSTD3ASCIIRules=false cases",
     "input": "≠",
diff --git a/url/resources/urltestdata.json b/url/resources/urltestdata.json
index 19f9ecddbee187..eb414860f27c75 100644
--- a/url/resources/urltestdata.json
+++ b/url/resources/urltestdata.json
@@ -8892,5 +8892,36 @@
     "protocol": "https:",
     "search": "",
     "username": ""
+  },
+  {
+    "input": "https://a%C2%ADb/",
+    "base": "about:blank",
+    "hash": "",
+    "host": "ab",
+    "hostname": "ab",
+    "href": "https://ab/",
+    "origin": "https://ab",
+    "password": "",
+    "pathname": "/",
+    "port": "",
+    "protocol": "https:",
+    "search": "",
+    "username": ""
+  },
+  {
+    "comment": "Empty host after domain to ASCII",
+    "input": "https://\u00AD/",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "https://%C2%AD/",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "https://xn--/",
+    "base": "about:blank",
+    "failure": true
   }
 ]