mojo/application/application_test_main_chromium.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/at_exit.h"
   6 #include "base/logging.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "mojo/public/c/system/main.h"
   9 #include "mojo/public/cpp/application/application_delegate.h"
  10 #include "mojo/public/cpp/application/application_impl.h"
  11 #include "mojo/public/cpp/application/application_test_base.h"
  12 #include "mojo/public/cpp/system/message_pipe.h"
  13
  14 MojoResult MojoMain(MojoHandle shell_handle) {
  15   // An AtExitManager instance is needed to construct message loops.
  16   base::AtExitManager at_exit;
  17
  18   {
  19     // This loop is used for init, and then destroyed before running tests.
  20     base::MessageLoop message_loop;
  21
  22     // Construct an ApplicationImpl just for the GTEST commandline arguments.
  23     // GTEST command line arguments are supported amid application arguments:
  24     // $ mojo_shell 'mojo:example_apptests arg1 --gtest_filter=foo arg2'
  25     mojo::ApplicationDelegate dummy_application_delegate;
  26     mojo::ApplicationImpl app(&dummy_application_delegate, shell_handle);
  27     CHECK(app.WaitForInitialize());
  28
  29     // InitGoogleTest expects (argc + 1) elements, including a terminating NULL.
  30     // It also removes GTEST arguments from |argv| and updates the |argc| count.
  31     // TODO(msw): Provide tests access to these actual command line arguments.
  32     const std::vector<std::string>& args = app.args();
  33     CHECK_LT(args.size(), static_cast<size_t>(std::numeric_limits<int>::max()));
  34     int argc = static_cast<int>(args.size());
  35     std::vector<const char*> argv(argc + 1);
  36     for (int i = 0; i < argc; ++i)
  37       argv[i] = args[i].c_str();
  38     argv[argc] = nullptr;
  39
  40     testing::InitGoogleTest(&argc, const_cast<char**>(&(argv[0])));
  41     mojo::test::SetShellHandle(app.UnbindShell());
  42   }
  43
  44   int result = RUN_ALL_TESTS();
  45
  46   shell_handle = mojo::test::PassShellHandle().release().value();
  47   MojoResult close_result = MojoClose(shell_handle);
  48   CHECK_EQ(close_result, MOJO_RESULT_OK);
  49
  50   return (result == 0) ? MOJO_RESULT_OK : MOJO_RESULT_UNKNOWN;
  51 }