Add SerializedScriptValueTest.

client/tests/client/dom/SerializedScriptValueTest.dart

Index: client/tests/client/dom/SerializedScriptValueTest.dart
diff --git a/client/tests/client/dom/SerializedScriptValueTest.dart b/client/tests/client/dom/SerializedScriptValueTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6e609822c5d2ac18e51cc501c974a319982a73f1
--- /dev/null
+++ b/client/tests/client/dom/SerializedScriptValueTest.dart
@@ -0,0 +1,38 @@
+#library('SerializedScriptValueTest');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/dom_config.dart');
+#import('dart:dom');
+#import('utils.dart');
+
+serializationTest(name, value) => test(name, () {
+      // To check how value is serialized and deserialized, we create a MessageEvent.
+    final event = document.createEvent('MessageEvent');
+    event.initMessageEvent('', false, false, value, '', '', window, []);
+    verifyGraph(value, event.data);
+});
+
+
+main() {
+  useDomConfiguration();
+
+  serializationTest('null', null);
+  serializationTest('int', 1);
+  serializationTest('double', 2.39);
+  serializationTest('string', 'hey!');
+
+  final simpleMap = {'a': 100, 'b': 's'};
+  final dagMap = { 'x': simpleMap, 'y': simpleMap };
+  final cyclicMap = { 'b': dagMap };
+  cyclicMap['a'] = cyclicMap;
+  serializationTest('simple map', simpleMap);
+  serializationTest('dag map', dagMap);
+  serializationTest('cyclic map', cyclicMap);
+
+  final simpleList = [ 100, 's'];
+  final dagList = [ simpleList, simpleList ];
+  final cyclicList = [ dagList ];
+  cyclicList.add(cyclicList);
+  serializationTest('simple list', simpleList);
+  serializationTest('dag list', dagList);
+  serializationTest('cyclic list', cyclicList);
+}