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net/dbus/dbus_unittest.cc

+// Copyright (c) 2011 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 "base/logging.h"
+#include "base/scoped_ptr.h"
+#include "net/dbus/dbus.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/platform_test.h"
+
+namespace net {
+
+class DBusTest : public PlatformTest {
+};
+
+// Test that byte can be properly written and read.
+TEST_F(DBusTest, AppendAndPopByte) {
+  dbus::Message message;
+  message.reset_raw_message(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL));
+  dbus::MessageWriter writer(&message);
+  writer.AppendByte(123);  // The input is 123.
+
+  uint8 byte_value = 0;
+  bool bool_value = false;
+  dbus::MessageReader reader(&message);
+  ASSERT_TRUE(reader.HasMore());  // Should have data to read.
+
+  // Should fail as the type is not bool here.
+  ASSERT_FALSE(reader.PopBool(&bool_value));
+
+  ASSERT_TRUE(reader.PopByte(&byte_value));
+  EXPECT_EQ(123, byte_value);  // Should match with the input.
+  ASSERT_FALSE(reader.HasMore());  // Should not have more data to read.
+  // Try to get another byte. Should fail without crashing.
+  ASSERT_FALSE(reader.PopByte(&byte_value));
+}
+
+// This is a bit boring, but check all basic types can be properly written
+// and read.
+TEST_F(DBusTest, AppendAndPopBasicTypes) {
+  dbus::Message message;
+  message.reset_raw_message(dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL));
+  dbus::MessageWriter writer(&message);
+
+  writer.AppendByte(0);
+  writer.AppendBool(true);
+  writer.AppendInt16(2);
+  writer.AppendUint16(3);
+  writer.AppendInt32(4);
+  writer.AppendUint32(5);
+  writer.AppendInt64(6);
+  writer.AppendUint64(7);
+  writer.AppendDouble(8.0);
+  writer.AppendString("string");
+  writer.AppendObjectPath("/object/path");
+
+  uint8 byte_value = 0;
+  bool bool_value = false;
+  int16 int16_value = 0;
+  uint16 uint16_value = 0;
+  int32 int32_value = 0;
+  uint32 uint32_value = 0;
+  int64 int64_value = 0;
+  uint64 uint64_value = 0;
+  double double_value = 0;
+  std::string string_value;
+  std::string object_path_value;
+
+  dbus::MessageReader reader(&message);
+  ASSERT_TRUE(reader.HasMore());
+  ASSERT_TRUE(reader.PopByte(&byte_value));
+  ASSERT_TRUE(reader.PopBool(&bool_value));
+  ASSERT_TRUE(reader.PopInt16(&int16_value));
+  ASSERT_TRUE(reader.PopUint16(&uint16_value));
+  ASSERT_TRUE(reader.PopInt32(&int32_value));
+  ASSERT_TRUE(reader.PopUint32(&uint32_value));
+  ASSERT_TRUE(reader.PopInt64(&int64_value));
+  ASSERT_TRUE(reader.PopUint64(&uint64_value));
+  ASSERT_TRUE(reader.PopDouble(&double_value));
+  ASSERT_TRUE(reader.PopString(&string_value));
+  ASSERT_TRUE(reader.PopObjectPath(&object_path_value));
+  ASSERT_FALSE(reader.HasMore());
+
+  EXPECT_EQ(0, byte_value);
+  EXPECT_EQ(true, bool_value);
+  EXPECT_EQ(2, int16_value);
+  EXPECT_EQ(3U, uint16_value);
+  EXPECT_EQ(4, int32_value);
+  EXPECT_EQ(5U, uint32_value);
+  EXPECT_EQ(6, int64_value);
+  EXPECT_EQ(7U, uint64_value);
+  EXPECT_DOUBLE_EQ(8.0, double_value);
+  EXPECT_EQ("string", string_value);
+  EXPECT_EQ("/object/path", object_path_value);
+}
+
+TEST_F(DBusTest, Test) {
+  dbus::Bus::Options options;
+  options.bus_type = dbus::Bus::SESSION;
+  dbus::Bus bus(options);
+  scoped_ptr<dbus::ObjectProxy> proxy(bus.GetObjectProxy(
+      "com.example.SampleService",
+      "/SomeObject"));
+  dbus::MethodCall method_call("com.example.SampleInterface",
+                               "HelloWorld");
+  dbus::MessageWriter builder(&method_call);
+  builder.AppendString("hello");
+  dbus::Response response;
+  CHECK(proxy->CallMethodSync(&method_call, &response));
+  dbus::MessageReader reader(&response);
+  dbus::MessageReader sub_reader(&response);
+  CHECK(reader.PopArray(&sub_reader));
+  std::string string_value;
+  CHECK(sub_reader.PopString(&string_value));
+  LOG(ERROR) << string_value;
+  CHECK(sub_reader.PopString(&string_value));
+  LOG(ERROR) << string_value;
+}
+
+}  // namespace net