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mojo/shell/app_child_process_host_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.
+
+// Note: This file also tests app_child_process.*.
+
+#include "mojo/shell/app_child_process_host.h"
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "base/message_loop/message_loop.h"
+#include "mojo/common/message_pump_mojo.h"
+#include "mojo/shell/context.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace mojo {
+namespace shell {
+namespace {
+
+// Subclass just so we can observe |DidStart()|.
+class TestAppChildProcessHost : public AppChildProcessHost {
+ public:
+  explicit TestAppChildProcessHost(Context* context)
+      : AppChildProcessHost(context) {}
+  ~TestAppChildProcessHost() override {}
+
+  void DidStart(bool success) override {
+    EXPECT_TRUE(success);
+    AppChildProcessHost::DidStart(success);
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestAppChildProcessHost);
+};
+
+#if defined(OS_ANDROID)
+// TODO(qsr): Multiprocess shell tests are not supported on android.
+#define MAYBE_StartJoin DISABLED_StartJoin
+#else
+#define MAYBE_StartJoin StartJoin
+#endif  // defined(OS_ANDROID)
+// Just tests starting the child process and joining it (without starting an
+// app).
+TEST(AppChildProcessHostTest, MAYBE_StartJoin) {
+  Context context;
+  base::MessageLoop message_loop(
+      scoped_ptr<base::MessagePump>(new common::MessagePumpMojo()));
+  context.Init();
+  TestAppChildProcessHost app_child_process_host(&context);
+  app_child_process_host.Start();
+  message_loop.Run();
+  app_child_process_host.ExitNow(123);
+  int exit_code = app_child_process_host.Join();
+  VLOG(2) << "Joined child: exit_code = " << exit_code;
+  EXPECT_EQ(123, exit_code);
+
+  context.Shutdown();
+}
+
+}  // namespace
+}  // namespace shell
+}  // namespace mojo