Tests: Add some more IndexedDB tests from WPT

Author: https://github.com/Zaggy1024
Commit: https://github.com/LadybirdBrowser/ladybird/commit/6a9ee92ec12
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/8264

Tests/LibWeb/Text/input/wpt-import/IndexedDB/keypath_invalid.any.js

@@ -0,0 +1,69 @@
+// META: global=window,worker
+// META: title=Invalid keypath
+// META: script=resources/support.js
+
+// Spec:
+// http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#key-path-construct
+
+'use strict';
+
+let global_db = createdb_for_multiple_tests();
+
+function invalid_keypath(keypath, desc) {
+  let t = async_test(
+      'Invalid keyPath - ' + (desc ? desc : format_value(keypath)), undefined,
+      2);
+
+  let openrq = global_db.setTest(t);
+  let store_name = 'store-' + Date.now() + Math.random();
+
+  openrq.onupgradeneeded = function(e) {
+    let db = e.target.result;
+    assert_throws_dom('SyntaxError', function() {
+      db.createObjectStore(store_name, {keyPath: keypath})
+    }, 'createObjectStore with keyPath');
+
+    let store = db.createObjectStore(store_name);
+    assert_throws_dom('SyntaxError', function() {
+      store.createIndex('index', keypath);
+    }, 'createIndex with keyPath');
+
+    db.close();
+
+    t.done();
+  };
+}
+
+invalid_keypath('j a');
+invalid_keypath('.yo');
+invalid_keypath('yo,lo');
+invalid_keypath([]);
+invalid_keypath(['array with space']);
+invalid_keypath(
+    ['multi_array', ['a', 'b']],
+    'multidimensional array (invalid toString)');  // => ['multi_array',
+                                                   // 'a,b']
+invalid_keypath('3m');
+invalid_keypath(
+    {
+      toString: function() {
+        return '3m'
+      }
+    },
+    '{toString->3m}');
+invalid_keypath('my.1337');
+invalid_keypath('..yo');
+invalid_keypath('y..o');
+invalid_keypath('y.o.');
+invalid_keypath('y.o..');
+invalid_keypath('m.*');
+invalid_keypath('"m"');
+invalid_keypath('m%');
+invalid_keypath('m/');
+invalid_keypath('m/a');
+invalid_keypath('m&');
+invalid_keypath('m!');
+invalid_keypath('*');
+invalid_keypath('*.*');
+invalid_keypath('^m');
+invalid_keypath('/m/');