dart2js dart:html conversions for serialized script values.

tests/html/indexeddb_2_test.dart

 #library('IndexedDB1Test');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 #import('dart:coreimpl');
 #import('utils.dart');
 
 // Write and re-read Maps: simple Maps; Maps with DAGs; Maps with cycles.
 
 final String DB_NAME = 'Test';
@@ skipping 57 matching lines @@
     }
   }
 
   var request = window.indexedDB.open(dbName);
   Expect.isNotNull(request);
   request.on.success.add(expectAsync1(initDb));
   request.on.error.add(fail);
 };
 
 
-tests_dynamic() {
+main() {
+  useHtmlConfiguration();
+
   var obj1 = {'a': 100, 'b': 's'};
   var obj2 = {'x': obj1, 'y': obj1};  // DAG.
 
   var obj3 = {};
   obj3['a'] = 100;
   obj3['b'] = obj3;  // Cycle.
 
   var obj4 = new SplayTreeMap<String, Dynamic>();  // Different implementation.
   obj4['a'] = 100;
   obj4['b'] = 's';
 
-  test('test_simple', testReadWrite(123, obj1, verifyGraph));
-  test('test_DAG', testReadWrite(123, obj2, verifyGraph));
-  test('test_cycle', testReadWrite(123, obj3, verifyGraph));
-  test('test_simple_splay', testReadWrite(123, obj4, verifyGraph));
+  var cyclic_list = [1, 2, 3];
+  cyclic_list[1] = cyclic_list;
+
+  go(name, data) => test(name, testReadWrite(123, data, verifyGraph));
+
+  test('test_verifyGraph', () {
+      // Nice to know verifyGraph is working before we rely on it.
+      Expect.mapEquals(obj4, obj4);
+      verifyGraph(obj4, obj4);
+      verifyGraph(obj1, new Map.from(obj1));
+      verifyGraph(obj4, new Map.from(obj4));
+
+      var l1 = [1,2,3];
+      var l2 = [const [1, 2, 3], const [1, 2, 3]];
+      verifyGraph([l1, l1], l2);
+      Expect.throws(() => verifyGraph([[1, 2, 3], [1, 2, 3]], l2));
+
+      verifyGraph(cyclic_list, cyclic_list);
+    });
+
+  go('test_simple', obj1);
+  go('test_DAG', obj2);
+  go('test_cycle', obj3);
+  go('test_simple_splay', obj4);
+  go('const_array_1', const [const [1], const [2]]);
+  go('const_array_dag', const [const [1], const [1]]);
+  go('array_deferred_copy', [1,2,3, obj3, obj3, 6]);
+  go('array_deferred_copy_2', [1,2,3, [4, 5, obj3], [obj3, 6]]);
+  go('cyclic_list', cyclic_list);
 }
-
-main() {
-  useHtmlConfiguration();
-
-  tests_dynamic();
-}