add more tests that succeed with std::regex provider

Author: anonrig

tests/wpt/urlpatterntestdata.json

@@ -1115,6 +1115,28 @@
       "hostname": { "input": "xn--caf-dma.com", "groups": {}}
     }
   },
+  {
+    "pattern": [{"pathname":":a\uDB40\uDD00b"}],
+    "inputs": [],
+    "expected_obj": {
+      "pathname": ":a\uDB40\uDD00b"
+    },
+    "expected_match": null
+  },
+  {
+    "pattern": [{"pathname":"test/:a\uD801\uDC50b"}],
+    "inputs": [{"pathname":"test/foo"}],
+    "expected_obj": {
+      "pathname": "test/:a\uD801\uDC50b"
+    },
+    "expected_match": {
+      "pathname": { "input": "test/foo", "groups": { "a\uD801\uDC50b": "foo" }}
+    }
+  },
+  {
+    "pattern": [{"pathname":":\uD83D\uDEB2"}],
+    "expected_obj": "error"
+  },
   {
     "pattern": [{ "port": "" }],
     "inputs": [{ "protocol": "http", "port": "80" }],
@@ -2824,5 +2846,10 @@
       "search": { "input": "q=*&v=?&hmm={}&umm=()", "groups": {} },
       "hash": { "input": "foo", "groups": {} }
     }
+  },
+  {
+    "pattern": [{ "pathname": "/([[a-z]--a])" }],
+    "inputs": [{ "pathname": "/a" }],
+    "expected_match": null
   }
 ]