tests: updated tests to ens_normalize test vectors

src.ts/_tests/test-hash.ts

@@ -16,9 +16,9 @@ import type { TestCaseNamehash, TestCaseSolidityHash } from "./types.js";
 
 describe("Tests Namehash", function() {
     const tests = loadTests<TestCaseNamehash>("namehash");
+
     for (const test of tests) {
-        if (test.error) {
-        } else {
+        if (!test.error) {
             it(`hashes ENS name: ${ JSON.stringify(test.name) }`, function() {
                 const actual = namehash(test.ensName);
 
@@ -31,6 +31,25 @@ describe("Tests Namehash", function() {
             });
         }
     }
+
+    for (const test of tests) {
+        if (test.error) {
+            it(`correctly fails to hash ENS name: ${ test.error } ${ JSON.stringify(test.name) }`, function() {
+                assert.throws(function() {
+                    const actual = namehash(test.ensName);
+                    console.log("Failed to throw", actual);
+                }, (error) => {
+                    return (isError(error, "INVALID_ARGUMENT") &&
+                        error.argument === "name" && error.value === test.ensName);
+                })
+
+                // The empty string is not a valid ENS name
+                if (test.ensName) {
+                    assert.ok(!isValidName(test.ensName), "!isValidName");
+                }
+            });
+        }
+    }
 });
 
 /*