Mojo: re-organize public tests

mojo/public/utility/run_loop_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/utility/run_loop.h"
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "mojo/public/system/core_cpp.h"
-#include "mojo/public/tests/test_support.h"
-#include "mojo/public/utility/run_loop_handler.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace {
-
-class TestRunLoopHandler : public RunLoopHandler {
- public:
-  TestRunLoopHandler()
-      : ready_count_(0),
-        error_count_(0),
-        last_error_result_(MOJO_RESULT_OK) {
-  }
-  virtual ~TestRunLoopHandler() {}
-
-  void clear_ready_count() { ready_count_ = 0; }
-  int ready_count() const { return ready_count_; }
-
-  void clear_error_count() { error_count_ = 0; }
-  int error_count() const { return error_count_; }
-
-  MojoResult last_error_result() const { return last_error_result_; }
-
-  // RunLoopHandler:
-  virtual void OnHandleReady(const Handle& handle) OVERRIDE {
-    ready_count_++;
-  }
-  virtual void OnHandleError(const Handle& handle, MojoResult result) OVERRIDE {
-    error_count_++;
-    last_error_result_ = result;
-  }
-
- private:
-  int ready_count_;
-  int error_count_;
-  MojoResult last_error_result_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestRunLoopHandler);
-};
-
-class RunLoopTest : public testing::Test {
- public:
-  RunLoopTest() {}
-
-  virtual void SetUp() OVERRIDE {
-    Test::SetUp();
-    RunLoop::SetUp();
-  }
-  virtual void TearDown() OVERRIDE {
-    RunLoop::TearDown();
-    Test::TearDown();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(RunLoopTest);
-};
-
-// Trivial test to verify Run() with no added handles returns.
-TEST_F(RunLoopTest, ExitsWithNoHandles) {
-  RunLoop run_loop;
-  run_loop.Run();
-}
-
-class RemoveOnReadyRunLoopHandler : public TestRunLoopHandler {
- public:
-  RemoveOnReadyRunLoopHandler() : run_loop_(NULL) {
-  }
-  virtual ~RemoveOnReadyRunLoopHandler() {}
-
-  void set_run_loop(RunLoop* run_loop) { run_loop_ = run_loop; }
-
-  // RunLoopHandler:
-  virtual void OnHandleReady(const Handle& handle) OVERRIDE {
-    run_loop_->RemoveHandler(handle);
-    TestRunLoopHandler::OnHandleReady(handle);
-  }
-
- private:
-  RunLoop* run_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(RemoveOnReadyRunLoopHandler);
-};
-
-// Verifies RunLoop quits when no more handles (handle is removed when ready).
-TEST_F(RunLoopTest, HandleReady) {
-  RemoveOnReadyRunLoopHandler handler;
-  MessagePipe test_pipe;
-  EXPECT_EQ(MOJO_RESULT_OK, test::WriteEmptyMessage(test_pipe.handle1.get()));
-
-  RunLoop run_loop;
-  handler.set_run_loop(&run_loop);
-  run_loop.AddHandler(&handler, test_pipe.handle0.get(),
-                      MOJO_WAIT_FLAG_READABLE, MOJO_DEADLINE_INDEFINITE);
-  run_loop.Run();
-  EXPECT_EQ(1, handler.ready_count());
-  EXPECT_EQ(0, handler.error_count());
-  EXPECT_FALSE(run_loop.HasHandler(test_pipe.handle0.get()));
-}
-
-class QuitOnReadyRunLoopHandler : public TestRunLoopHandler {
- public:
-  QuitOnReadyRunLoopHandler() : run_loop_(NULL) {
-  }
-  virtual ~QuitOnReadyRunLoopHandler() {}
-
-  void set_run_loop(RunLoop* run_loop) { run_loop_ = run_loop; }
-
-  // RunLoopHandler:
-  virtual void OnHandleReady(const Handle& handle) OVERRIDE {
-    run_loop_->Quit();
-    TestRunLoopHandler::OnHandleReady(handle);
-  }
-
- private:
-  RunLoop* run_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuitOnReadyRunLoopHandler);
-};
-
-// Verifies Quit() from OnHandleReady() quits the loop.
-TEST_F(RunLoopTest, QuitFromReady) {
-  QuitOnReadyRunLoopHandler handler;
-  MessagePipe test_pipe;
-  EXPECT_EQ(MOJO_RESULT_OK, test::WriteEmptyMessage(test_pipe.handle1.get()));
-
-  RunLoop run_loop;
-  handler.set_run_loop(&run_loop);
-  run_loop.AddHandler(&handler, test_pipe.handle0.get(),
-                      MOJO_WAIT_FLAG_READABLE, MOJO_DEADLINE_INDEFINITE);
-  run_loop.Run();
-  EXPECT_EQ(1, handler.ready_count());
-  EXPECT_EQ(0, handler.error_count());
-  EXPECT_TRUE(run_loop.HasHandler(test_pipe.handle0.get()));
-}
-
-class QuitOnErrorRunLoopHandler : public TestRunLoopHandler {
- public:
-  QuitOnErrorRunLoopHandler() : run_loop_(NULL) {
-  }
-  virtual ~QuitOnErrorRunLoopHandler() {}
-
-  void set_run_loop(RunLoop* run_loop) { run_loop_ = run_loop; }
-
-  // RunLoopHandler:
-  virtual void OnHandleError(const Handle& handle, MojoResult result) OVERRIDE {
-    run_loop_->Quit();
-    TestRunLoopHandler::OnHandleError(handle, result);
-  }
-
- private:
-  RunLoop* run_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuitOnErrorRunLoopHandler);
-};
-
-// Verifies Quit() when the deadline is reached works.
-TEST_F(RunLoopTest, QuitWhenDeadlineExpired) {
-  QuitOnErrorRunLoopHandler handler;
-  MessagePipe test_pipe;
-  RunLoop run_loop;
-  handler.set_run_loop(&run_loop);
-  run_loop.AddHandler(&handler, test_pipe.handle0.get(),
-                      MOJO_WAIT_FLAG_READABLE,
-                      static_cast<MojoDeadline>(10000));
-  run_loop.Run();
-  EXPECT_EQ(0, handler.ready_count());
-  EXPECT_EQ(1, handler.error_count());
-  EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, handler.last_error_result());
-  EXPECT_FALSE(run_loop.HasHandler(test_pipe.handle0.get()));
-}
-
-TEST_F(RunLoopTest, Current) {
-  EXPECT_TRUE(RunLoop::current() == NULL);
-  {
-    RunLoop run_loop;
-    EXPECT_EQ(&run_loop, RunLoop::current());
-  }
-  EXPECT_TRUE(RunLoop::current() == NULL);
-}
-
-}  // namespace
-}  // namespace mojo