Add IPC serialization for DictionaryValue, with unit tests.

chrome/common/ipc_message_unittest.cc

Index: chrome/common/ipc_message_unittest.cc
===================================================================
--- chrome/common/ipc_message_unittest.cc	(revision 16497)
+++ chrome/common/ipc_message_unittest.cc	(working copy)
@@ -4,9 +4,10 @@
 
 #include <string.h>
 
+#include "base/scoped_ptr.h"
+#include "base/values.h"
 #include "chrome/common/ipc_message.h"
 #include "chrome/common/ipc_message_utils.h"
-#include "base/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ -91,3 +92,59 @@
   iter = NULL;
   EXPECT_FALSE(IPC::ParamTraits<SkBitmap>::Read(&bad_msg, &iter, &bad_output));
 }
+
+TEST(IPCMessageTest, ListValue) {
+  ListValue input;
+  input.Set(0, Value::CreateRealValue(42.42));
+  input.Set(1, Value::CreateStringValue("forty"));
+  input.Set(2, Value::CreateNullValue());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, input);
+
+  ListValue output;
+  void* iter = NULL;
+  EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
+
+  EXPECT_TRUE(input.Equals(&output));
+
+  // Also test the corrupt case.
+  IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  bad_msg.WriteInt(99);
+  iter = NULL;
+  EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
+}
+
+TEST(IPCMessageTest, DictionaryValue) {
+  DictionaryValue input;
+  input.Set(L"null", Value::CreateNullValue());
+  input.Set(L"bool", Value::CreateBooleanValue(true));
+  input.Set(L"int", Value::CreateIntegerValue(42));
+
+  scoped_ptr<DictionaryValue> subdict(new DictionaryValue());
+  subdict->Set(L"str", Value::CreateStringValue("forty two"));
+  subdict->Set(L"bool", Value::CreateBooleanValue(false));
+
+  scoped_ptr<ListValue> sublist(new ListValue());
+  sublist->Set(0, Value::CreateRealValue(42.42));
+  sublist->Set(1, Value::CreateStringValue("forty"));
+  sublist->Set(2, Value::CreateStringValue("two"));
+  subdict->Set(L"list", sublist.release());
+
+  input.Set(L"dict", subdict.release());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, input);
+
+  DictionaryValue output;
+  void* iter = NULL;
+  EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
+
+  EXPECT_TRUE(input.Equals(&output));
+
+  // Also test the corrupt case.
+  IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  bad_msg.WriteInt(99);
+  iter = NULL;
+  EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
+}