mojo: MessageBuilder

mojo/public/libs/message/message_unittest.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/public/libs/message/message.h"
+
+#include <string>
+
+#include "mojo/public/libs/message/message_builder.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace mojo {
+
+TEST(Message, Empty) {
+  Message message;
+  EXPECT_EQ(0U, message.data().size());
+}
+
+TEST(Message, Builder_Empty) {
+  MessageBuilder builder;
+  EXPECT_TRUE(builder.Initialize(1));
+
+  Message message;
+  EXPECT_TRUE(builder.Finish(&message));
+
+  EXPECT_EQ(message.data().size(), 8U);
+}
+
+TEST(Message, Builder_Basic) {
+  MessageBuilder builder;
+  EXPECT_TRUE(builder.Initialize(1));
+
+  EXPECT_TRUE(builder.Append(1, 2U));
+
+  Message message;
+  EXPECT_TRUE(builder.Finish(&message));
+
+  EXPECT_EQ(message.data().size(), 8U + 8U);
+}
+
+TEST(Message, Builder_BasicPair) {
+  MessageBuilder builder;
+  EXPECT_TRUE(builder.Initialize(1));
+
+  EXPECT_TRUE(builder.Append(1, 100));
+  EXPECT_TRUE(builder.Append(2, 200));
+
+  Message message;
+  EXPECT_TRUE(builder.Finish(&message));
+
+  EXPECT_EQ(message.data().size(), 8U + 8U + 8U);
+}
+
+TEST(Message, Builder_BasicString) {
+  MessageBuilder builder;
+  EXPECT_TRUE(builder.Initialize(1));
+
+  EXPECT_TRUE(builder.Append(1, 100));
+  EXPECT_TRUE(builder.Append(2, 200));
+  EXPECT_TRUE(builder.Append(3, std::string("hello world")));
+
+  Message message;
+  EXPECT_TRUE(builder.Finish(&message));
+
+  EXPECT_EQ(message.data().size(), 8U + 8U + 8U + 8U + 16U);
+}
+
+TEST(Message, Builder_BasicHandle) {
+  MessageBuilder builder;
+  EXPECT_TRUE(builder.Initialize(1));
+
+  mojo::Handle handle = { 1 };
+
+  EXPECT_TRUE(builder.Append(1, handle));
+
+  Message message;
+  EXPECT_TRUE(builder.Finish(&message));
+
+  EXPECT_EQ(message.data().size(), 8U + 8U);
+  EXPECT_EQ(message.handles().size(), 1U);
+}
+
+}  // namespace mojo