Mojo: Add a trivial end-to-end (in-process) test of Mojo shell.

mojo/shell/shell_test_base_unittest.cc

+// Copyright 2014 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/shell/shell_test_base.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "mojo/public/cpp/bindings/interface_ptr.h"
+#include "mojo/public/cpp/system/core.h"
+#include "mojo/services/test_service/test_service.mojom.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace mojo {
+namespace shell {
+namespace test {
+namespace {
+
+typedef ShellTestBase ShellTestBaseTest;
+
+void PingCallback(base::MessageLoop* message_loop) {
+  VLOG(2) << "Ping callback";
+  message_loop->QuitWhenIdle();
+}
+
+TEST_F(ShellTestBaseTest, LaunchServiceInProcess) {
+  InitMojo();
+
+  InterfacePtr<mojo::test::ITestService> test_service;
+
+  {
+    MessagePipe mp;
+    test_service.Bind(mp.handle0.Pass());
+    LaunchServiceInProcess(GURL("mojo:mojo_test_service"),
+                           mojo::test::ITestService::Name_,
+                           mp.handle1.Pass());
+  }
+
+  test_service->Ping(base::Bind(&PingCallback,
+                                base::Unretained(message_loop())));
+  message_loop()->Run();
+
+  test_service.reset();
+
+  // This will run until the test service has actually quit (which it will,
+  // since we killed the only connection to it).
+  message_loop()->Run();
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace shell
+}  // namespace mojo
+