Index: base/message_loop/message_loop_test.cc |
diff --git a/base/message_loop/message_loop_test.cc b/base/message_loop/message_loop_test.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9ac5b72d3749f130a221096e36eeed3655a57658 |
--- /dev/null |
+++ b/base/message_loop/message_loop_test.cc |
@@ -0,0 +1,1069 @@ |
+// 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 "base/message_loop/message_loop_test.h" |
+ |
+#include "base/bind.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/run_loop.h" |
+#include "base/synchronization/waitable_event.h" |
+#include "base/threading/thread.h" |
+ |
+namespace base { |
+namespace test { |
+ |
+namespace { |
+ |
+class Foo : public RefCounted<Foo> { |
+ public: |
+ Foo() : test_count_(0) { |
+ } |
+ |
+ void Test0() { |
+ ++test_count_; |
+ } |
+ |
+ void Test1ConstRef(const std::string& a) { |
+ ++test_count_; |
+ result_.append(a); |
+ } |
+ |
+ void Test1Ptr(std::string* a) { |
+ ++test_count_; |
+ result_.append(*a); |
+ } |
+ |
+ void Test1Int(int a) { |
+ test_count_ += a; |
+ } |
+ |
+ void Test2Ptr(std::string* a, std::string* b) { |
+ ++test_count_; |
+ result_.append(*a); |
+ result_.append(*b); |
+ } |
+ |
+ void Test2Mixed(const std::string& a, std::string* b) { |
+ ++test_count_; |
+ result_.append(a); |
+ result_.append(*b); |
+ } |
+ |
+ int test_count() const { return test_count_; } |
+ const std::string& result() const { return result_; } |
+ |
+ private: |
+ friend class RefCounted<Foo>; |
+ |
+ ~Foo() {} |
+ |
+ int test_count_; |
+ std::string result_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(Foo); |
+}; |
+ |
+// This function runs slowly to simulate a large amount of work being done. |
+void SlowFunc(TimeDelta pause, int* quit_counter) { |
+ PlatformThread::Sleep(pause); |
+ if (--(*quit_counter) == 0) |
+ MessageLoop::current()->QuitWhenIdle(); |
+} |
+ |
+// This function records the time when Run was called in a Time object, which is |
+// useful for building a variety of MessageLoop tests. |
+// TODO(sky): remove? |
+void RecordRunTimeFunc(Time* run_time, int* quit_counter) { |
+ *run_time = Time::Now(); |
+ |
+ // Cause our Run function to take some time to execute. As a result we can |
+ // count on subsequent RecordRunTimeFunc()s running at a future time, |
+ // without worry about the resolution of our system clock being an issue. |
+ SlowFunc(TimeDelta::FromMilliseconds(10), quit_counter); |
+} |
+ |
+} // namespace |
+ |
+void RunTest_PostTask(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ // Add tests to message loop |
+ scoped_refptr<Foo> foo(new Foo()); |
+ std::string a("a"), b("b"), c("c"), d("d"); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test0, foo.get())); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1ConstRef, foo.get(), a)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1Ptr, foo.get(), &b)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1Int, foo.get(), 100)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test2Ptr, foo.get(), &a, &c)); |
+ |
+ // TryPost with no contention. It must succeed. |
+ EXPECT_TRUE(MessageLoop::current()->TryPostTask(FROM_HERE, Bind( |
+ &Foo::Test2Mixed, foo.get(), a, &d))); |
+ |
+ // TryPost with simulated contention. It must fail. We wait for a helper |
+ // thread to lock the queue, we TryPost on this thread and finally we |
+ // signal the helper to unlock and exit. |
+ WaitableEvent wait(true, false); |
+ WaitableEvent signal(true, false); |
+ Thread thread("RunTest_PostTask_helper"); |
+ thread.Start(); |
+ thread.message_loop()->PostTask( |
+ FROM_HERE, |
+ Bind(&MessageLoop::LockWaitUnLockForTesting, |
+ base::Unretained(MessageLoop::current()), |
+ &wait, |
+ &signal)); |
+ |
+ wait.Wait(); |
+ EXPECT_FALSE(MessageLoop::current()->TryPostTask(FROM_HERE, Bind( |
+ &Foo::Test2Mixed, foo.get(), a, &d))); |
+ signal.Signal(); |
+ |
+ // After all tests, post a message that will shut down the message loop |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &MessageLoop::Quit, Unretained(MessageLoop::current()))); |
+ |
+ // Now kick things off |
+ MessageLoop::current()->Run(); |
+ |
+ EXPECT_EQ(foo->test_count(), 105); |
+ EXPECT_EQ(foo->result(), "abacad"); |
+} |
+ |
+void RunTest_PostTask_SEH(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Add tests to message loop |
+ scoped_refptr<Foo> foo(new Foo()); |
+ std::string a("a"), b("b"), c("c"), d("d"); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test0, foo.get())); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1ConstRef, foo.get(), a)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1Ptr, foo.get(), &b)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test1Int, foo.get(), 100)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test2Ptr, foo.get(), &a, &c)); |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &Foo::Test2Mixed, foo.get(), a, &d)); |
+ |
+ // After all tests, post a message that will shut down the message loop |
+ MessageLoop::current()->PostTask(FROM_HERE, Bind( |
+ &MessageLoop::Quit, Unretained(MessageLoop::current()))); |
+ |
+ // Now kick things off with the SEH block active. |
+ MessageLoop::current()->set_exception_restoration(true); |
+ MessageLoop::current()->Run(); |
+ MessageLoop::current()->set_exception_restoration(false); |
+ |
+ EXPECT_EQ(foo->test_count(), 105); |
+ EXPECT_EQ(foo->result(), "abacad"); |
+} |
+ |
+void RunTest_PostDelayedTask_Basic(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that PostDelayedTask results in a delayed task. |
+ |
+ const TimeDelta kDelay = TimeDelta::FromMilliseconds(100); |
+ |
+ int num_tasks = 1; |
+ Time run_time; |
+ |
+ loop.PostDelayedTask( |
+ FROM_HERE, Bind(&RecordRunTimeFunc, &run_time, &num_tasks), |
+ kDelay); |
+ |
+ Time time_before_run = Time::Now(); |
+ loop.Run(); |
+ Time time_after_run = Time::Now(); |
+ |
+ EXPECT_EQ(0, num_tasks); |
+ EXPECT_LT(kDelay, time_after_run - time_before_run); |
+} |
+ |
+void RunTest_PostDelayedTask_InDelayOrder(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that two tasks with different delays run in the right order. |
+ int num_tasks = 2; |
+ Time run_time1, run_time2; |
+ |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time1, &num_tasks), |
+ TimeDelta::FromMilliseconds(200)); |
+ // If we get a large pause in execution (due to a context switch) here, this |
+ // test could fail. |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time2, &num_tasks), |
+ TimeDelta::FromMilliseconds(10)); |
+ |
+ loop.Run(); |
+ EXPECT_EQ(0, num_tasks); |
+ |
+ EXPECT_TRUE(run_time2 < run_time1); |
+} |
+ |
+void RunTest_PostDelayedTask_InPostOrder(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that two tasks with the same delay run in the order in which they |
+ // were posted. |
+ // |
+ // NOTE: This is actually an approximate test since the API only takes a |
+ // "delay" parameter, so we are not exactly simulating two tasks that get |
+ // posted at the exact same time. It would be nice if the API allowed us to |
+ // specify the desired run time. |
+ |
+ const TimeDelta kDelay = TimeDelta::FromMilliseconds(100); |
+ |
+ int num_tasks = 2; |
+ Time run_time1, run_time2; |
+ |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time1, &num_tasks), kDelay); |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time2, &num_tasks), kDelay); |
+ |
+ loop.Run(); |
+ EXPECT_EQ(0, num_tasks); |
+ |
+ EXPECT_TRUE(run_time1 < run_time2); |
+} |
+ |
+void RunTest_PostDelayedTask_InPostOrder_2(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that a delayed task still runs after a normal tasks even if the |
+ // normal tasks take a long time to run. |
+ |
+ const TimeDelta kPause = TimeDelta::FromMilliseconds(50); |
+ |
+ int num_tasks = 2; |
+ Time run_time; |
+ |
+ loop.PostTask(FROM_HERE, Bind(&SlowFunc, kPause, &num_tasks)); |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time, &num_tasks), |
+ TimeDelta::FromMilliseconds(10)); |
+ |
+ Time time_before_run = Time::Now(); |
+ loop.Run(); |
+ Time time_after_run = Time::Now(); |
+ |
+ EXPECT_EQ(0, num_tasks); |
+ |
+ EXPECT_LT(kPause, time_after_run - time_before_run); |
+} |
+ |
+void RunTest_PostDelayedTask_InPostOrder_3(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that a delayed task still runs after a pile of normal tasks. The key |
+ // difference between this test and the previous one is that here we return |
+ // the MessageLoop a lot so we give the MessageLoop plenty of opportunities |
+ // to maybe run the delayed task. It should know not to do so until the |
+ // delayed task's delay has passed. |
+ |
+ int num_tasks = 11; |
+ Time run_time1, run_time2; |
+ |
+ // Clutter the ML with tasks. |
+ for (int i = 1; i < num_tasks; ++i) |
+ loop.PostTask(FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time1, &num_tasks)); |
+ |
+ loop.PostDelayedTask( |
+ FROM_HERE, Bind(&RecordRunTimeFunc, &run_time2, &num_tasks), |
+ TimeDelta::FromMilliseconds(1)); |
+ |
+ loop.Run(); |
+ EXPECT_EQ(0, num_tasks); |
+ |
+ EXPECT_TRUE(run_time2 > run_time1); |
+} |
+ |
+void RunTest_PostDelayedTask_SharedTimer(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ // Test that the interval of the timer, used to run the next delayed task, is |
+ // set to a value corresponding to when the next delayed task should run. |
+ |
+ // By setting num_tasks to 1, we ensure that the first task to run causes the |
+ // run loop to exit. |
+ int num_tasks = 1; |
+ Time run_time1, run_time2; |
+ |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time1, &num_tasks), |
+ TimeDelta::FromSeconds(1000)); |
+ loop.PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&RecordRunTimeFunc, &run_time2, &num_tasks), |
+ TimeDelta::FromMilliseconds(10)); |
+ |
+ Time start_time = Time::Now(); |
+ |
+ loop.Run(); |
+ EXPECT_EQ(0, num_tasks); |
+ |
+ // Ensure that we ran in far less time than the slower timer. |
+ TimeDelta total_time = Time::Now() - start_time; |
+ EXPECT_GT(5000, total_time.InMilliseconds()); |
+ |
+ // In case both timers somehow run at nearly the same time, sleep a little |
+ // and then run all pending to force them both to have run. This is just |
+ // encouraging flakiness if there is any. |
+ PlatformThread::Sleep(TimeDelta::FromMilliseconds(100)); |
+ RunLoop().RunUntilIdle(); |
+ |
+ EXPECT_TRUE(run_time1.is_null()); |
+ EXPECT_FALSE(run_time2.is_null()); |
+} |
+ |
+// This is used to inject a test point for recording the destructor calls for |
+// Closure objects send to MessageLoop::PostTask(). It is awkward usage since we |
+// are trying to hook the actual destruction, which is not a common operation. |
+class RecordDeletionProbe : public RefCounted<RecordDeletionProbe> { |
+ public: |
+ RecordDeletionProbe(RecordDeletionProbe* post_on_delete, bool* was_deleted) |
+ : post_on_delete_(post_on_delete), was_deleted_(was_deleted) { |
+ } |
+ void Run() {} |
+ |
+ private: |
+ friend class RefCounted<RecordDeletionProbe>; |
+ |
+ ~RecordDeletionProbe() { |
+ *was_deleted_ = true; |
+ if (post_on_delete_.get()) |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&RecordDeletionProbe::Run, post_on_delete_.get())); |
+ } |
+ |
+ scoped_refptr<RecordDeletionProbe> post_on_delete_; |
+ bool* was_deleted_; |
+}; |
+ |
+void RunTest_EnsureDeletion(MessagePumpFactory factory) { |
+ bool a_was_deleted = false; |
+ bool b_was_deleted = false; |
+ { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ loop.PostTask( |
+ FROM_HERE, Bind(&RecordDeletionProbe::Run, |
+ new RecordDeletionProbe(NULL, &a_was_deleted))); |
+ // TODO(ajwong): Do we really need 1000ms here? |
+ loop.PostDelayedTask( |
+ FROM_HERE, Bind(&RecordDeletionProbe::Run, |
+ new RecordDeletionProbe(NULL, &b_was_deleted)), |
+ TimeDelta::FromMilliseconds(1000)); |
+ } |
+ EXPECT_TRUE(a_was_deleted); |
+ EXPECT_TRUE(b_was_deleted); |
+} |
+ |
+void RunTest_EnsureDeletion_Chain(MessagePumpFactory factory) { |
+ bool a_was_deleted = false; |
+ bool b_was_deleted = false; |
+ bool c_was_deleted = false; |
+ { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ // The scoped_refptr for each of the below is held either by the chained |
+ // RecordDeletionProbe, or the bound RecordDeletionProbe::Run() callback. |
+ RecordDeletionProbe* a = new RecordDeletionProbe(NULL, &a_was_deleted); |
+ RecordDeletionProbe* b = new RecordDeletionProbe(a, &b_was_deleted); |
+ RecordDeletionProbe* c = new RecordDeletionProbe(b, &c_was_deleted); |
+ loop.PostTask(FROM_HERE, Bind(&RecordDeletionProbe::Run, c)); |
+ } |
+ EXPECT_TRUE(a_was_deleted); |
+ EXPECT_TRUE(b_was_deleted); |
+ EXPECT_TRUE(c_was_deleted); |
+} |
+ |
+void NestingFunc(int* depth) { |
+ if (*depth > 0) { |
+ *depth -= 1; |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&NestingFunc, depth)); |
+ |
+ MessageLoop::current()->SetNestableTasksAllowed(true); |
+ MessageLoop::current()->Run(); |
+ } |
+ MessageLoop::current()->QuitWhenIdle(); |
+} |
+ |
+void RunTest_Nesting(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ int depth = 100; |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&NestingFunc, &depth)); |
+ MessageLoop::current()->Run(); |
+ EXPECT_EQ(depth, 0); |
+} |
+ |
+enum TaskType { |
+ MESSAGEBOX, |
+ ENDDIALOG, |
+ RECURSIVE, |
+ TIMEDMESSAGELOOP, |
+ QUITMESSAGELOOP, |
+ ORDERED, |
+ PUMPS, |
+ SLEEP, |
+ RUNS, |
+}; |
+ |
+struct TaskItem { |
+ TaskItem(TaskType t, int c, bool s) |
+ : type(t), |
+ cookie(c), |
+ start(s) { |
+ } |
+ |
+ TaskType type; |
+ int cookie; |
+ bool start; |
+ |
+ bool operator == (const TaskItem& other) const { |
+ return type == other.type && cookie == other.cookie && start == other.start; |
+ } |
+}; |
+ |
+std::ostream& operator <<(std::ostream& os, TaskType type) { |
+ switch (type) { |
+ case MESSAGEBOX: os << "MESSAGEBOX"; break; |
+ case ENDDIALOG: os << "ENDDIALOG"; break; |
+ case RECURSIVE: os << "RECURSIVE"; break; |
+ case TIMEDMESSAGELOOP: os << "TIMEDMESSAGELOOP"; break; |
+ case QUITMESSAGELOOP: os << "QUITMESSAGELOOP"; break; |
+ case ORDERED: os << "ORDERED"; break; |
+ case PUMPS: os << "PUMPS"; break; |
+ case SLEEP: os << "SLEEP"; break; |
+ default: |
+ NOTREACHED(); |
+ os << "Unknown TaskType"; |
+ break; |
+ } |
+ return os; |
+} |
+ |
+std::ostream& operator <<(std::ostream& os, const TaskItem& item) { |
+ if (item.start) |
+ return os << item.type << " " << item.cookie << " starts"; |
+ else |
+ return os << item.type << " " << item.cookie << " ends"; |
+} |
+ |
+class TaskList { |
+ public: |
+ void RecordStart(TaskType type, int cookie) { |
+ TaskItem item(type, cookie, true); |
+ DVLOG(1) << item; |
+ task_list_.push_back(item); |
+ } |
+ |
+ void RecordEnd(TaskType type, int cookie) { |
+ TaskItem item(type, cookie, false); |
+ DVLOG(1) << item; |
+ task_list_.push_back(item); |
+ } |
+ |
+ size_t Size() { |
+ return task_list_.size(); |
+ } |
+ |
+ TaskItem Get(int n) { |
+ return task_list_[n]; |
+ } |
+ |
+ private: |
+ std::vector<TaskItem> task_list_; |
+}; |
+ |
+void RecursiveFunc(TaskList* order, int cookie, int depth, |
+ bool is_reentrant) { |
+ order->RecordStart(RECURSIVE, cookie); |
+ if (depth > 0) { |
+ if (is_reentrant) |
+ MessageLoop::current()->SetNestableTasksAllowed(true); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&RecursiveFunc, order, cookie, depth - 1, is_reentrant)); |
+ } |
+ order->RecordEnd(RECURSIVE, cookie); |
+} |
+ |
+void QuitFunc(TaskList* order, int cookie) { |
+ order->RecordStart(QUITMESSAGELOOP, cookie); |
+ MessageLoop::current()->QuitWhenIdle(); |
+ order->RecordEnd(QUITMESSAGELOOP, cookie); |
+} |
+void RunTest_RecursiveDenial1(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ EXPECT_TRUE(MessageLoop::current()->NestableTasksAllowed()); |
+ TaskList order; |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&RecursiveFunc, &order, 1, 2, false)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&RecursiveFunc, &order, 2, 2, false)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&QuitFunc, &order, 3)); |
+ |
+ MessageLoop::current()->Run(); |
+ |
+ // FIFO order. |
+ ASSERT_EQ(14U, order.Size()); |
+ EXPECT_EQ(order.Get(0), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(1), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(2), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(3), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(4), TaskItem(QUITMESSAGELOOP, 3, true)); |
+ EXPECT_EQ(order.Get(5), TaskItem(QUITMESSAGELOOP, 3, false)); |
+ EXPECT_EQ(order.Get(6), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(7), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(8), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(9), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(10), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(11), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(12), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(13), TaskItem(RECURSIVE, 2, false)); |
+} |
+ |
+void RecursiveSlowFunc(TaskList* order, int cookie, int depth, |
+ bool is_reentrant) { |
+ RecursiveFunc(order, cookie, depth, is_reentrant); |
+ PlatformThread::Sleep(TimeDelta::FromMilliseconds(10)); |
+} |
+ |
+void OrderedFunc(TaskList* order, int cookie) { |
+ order->RecordStart(ORDERED, cookie); |
+ order->RecordEnd(ORDERED, cookie); |
+} |
+ |
+void RunTest_RecursiveDenial3(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ EXPECT_TRUE(MessageLoop::current()->NestableTasksAllowed()); |
+ TaskList order; |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&RecursiveSlowFunc, &order, 1, 2, false)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&RecursiveSlowFunc, &order, 2, 2, false)); |
+ MessageLoop::current()->PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&OrderedFunc, &order, 3), |
+ TimeDelta::FromMilliseconds(5)); |
+ MessageLoop::current()->PostDelayedTask( |
+ FROM_HERE, |
+ Bind(&QuitFunc, &order, 4), |
+ TimeDelta::FromMilliseconds(5)); |
+ |
+ MessageLoop::current()->Run(); |
+ |
+ // FIFO order. |
+ ASSERT_EQ(16U, order.Size()); |
+ EXPECT_EQ(order.Get(0), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(1), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(2), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(3), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(4), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(5), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(6), TaskItem(ORDERED, 3, true)); |
+ EXPECT_EQ(order.Get(7), TaskItem(ORDERED, 3, false)); |
+ EXPECT_EQ(order.Get(8), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(9), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(10), TaskItem(QUITMESSAGELOOP, 4, true)); |
+ EXPECT_EQ(order.Get(11), TaskItem(QUITMESSAGELOOP, 4, false)); |
+ EXPECT_EQ(order.Get(12), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(13), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(14), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(15), TaskItem(RECURSIVE, 2, false)); |
+} |
+ |
+void RunTest_RecursiveSupport1(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&RecursiveFunc, &order, 1, 2, true)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&RecursiveFunc, &order, 2, 2, true)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&QuitFunc, &order, 3)); |
+ |
+ MessageLoop::current()->Run(); |
+ |
+ // FIFO order. |
+ ASSERT_EQ(14U, order.Size()); |
+ EXPECT_EQ(order.Get(0), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(1), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(2), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(3), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(4), TaskItem(QUITMESSAGELOOP, 3, true)); |
+ EXPECT_EQ(order.Get(5), TaskItem(QUITMESSAGELOOP, 3, false)); |
+ EXPECT_EQ(order.Get(6), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(7), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(8), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(9), TaskItem(RECURSIVE, 2, false)); |
+ EXPECT_EQ(order.Get(10), TaskItem(RECURSIVE, 1, true)); |
+ EXPECT_EQ(order.Get(11), TaskItem(RECURSIVE, 1, false)); |
+ EXPECT_EQ(order.Get(12), TaskItem(RECURSIVE, 2, true)); |
+ EXPECT_EQ(order.Get(13), TaskItem(RECURSIVE, 2, false)); |
+} |
+ |
+// Tests that non nestable tasks run in FIFO if there are no nested loops. |
+void RunTest_NonNestableWithNoNesting(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ MessageLoop::current()->PostNonNestableTask( |
+ FROM_HERE, |
+ Bind(&OrderedFunc, &order, 1)); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&QuitFunc, &order, 3)); |
+ MessageLoop::current()->Run(); |
+ |
+ // FIFO order. |
+ ASSERT_EQ(6U, order.Size()); |
+ EXPECT_EQ(order.Get(0), TaskItem(ORDERED, 1, true)); |
+ EXPECT_EQ(order.Get(1), TaskItem(ORDERED, 1, false)); |
+ EXPECT_EQ(order.Get(2), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(3), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(4), TaskItem(QUITMESSAGELOOP, 3, true)); |
+ EXPECT_EQ(order.Get(5), TaskItem(QUITMESSAGELOOP, 3, false)); |
+} |
+ |
+void FuncThatPumps(TaskList* order, int cookie) { |
+ order->RecordStart(PUMPS, cookie); |
+ { |
+ MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current()); |
+ RunLoop().RunUntilIdle(); |
+ } |
+ order->RecordEnd(PUMPS, cookie); |
+} |
+ |
+void SleepFunc(TaskList* order, int cookie, TimeDelta delay) { |
+ order->RecordStart(SLEEP, cookie); |
+ PlatformThread::Sleep(delay); |
+ order->RecordEnd(SLEEP, cookie); |
+} |
+ |
+// Tests that non nestable tasks don't run when there's code in the call stack. |
+void RunTest_NonNestableInNestedLoop(MessagePumpFactory factory, |
+ bool use_delayed) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&FuncThatPumps, &order, 1)); |
+ if (use_delayed) { |
+ MessageLoop::current()->PostNonNestableDelayedTask( |
+ FROM_HERE, |
+ Bind(&OrderedFunc, &order, 2), |
+ TimeDelta::FromMilliseconds(1)); |
+ } else { |
+ MessageLoop::current()->PostNonNestableTask( |
+ FROM_HERE, |
+ Bind(&OrderedFunc, &order, 2)); |
+ } |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&OrderedFunc, &order, 3)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&SleepFunc, &order, 4, TimeDelta::FromMilliseconds(50))); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&OrderedFunc, &order, 5)); |
+ if (use_delayed) { |
+ MessageLoop::current()->PostNonNestableDelayedTask( |
+ FROM_HERE, |
+ Bind(&QuitFunc, &order, 6), |
+ TimeDelta::FromMilliseconds(2)); |
+ } else { |
+ MessageLoop::current()->PostNonNestableTask( |
+ FROM_HERE, |
+ Bind(&QuitFunc, &order, 6)); |
+ } |
+ |
+ MessageLoop::current()->Run(); |
+ |
+ // FIFO order. |
+ ASSERT_EQ(12U, order.Size()); |
+ EXPECT_EQ(order.Get(0), TaskItem(PUMPS, 1, true)); |
+ EXPECT_EQ(order.Get(1), TaskItem(ORDERED, 3, true)); |
+ EXPECT_EQ(order.Get(2), TaskItem(ORDERED, 3, false)); |
+ EXPECT_EQ(order.Get(3), TaskItem(SLEEP, 4, true)); |
+ EXPECT_EQ(order.Get(4), TaskItem(SLEEP, 4, false)); |
+ EXPECT_EQ(order.Get(5), TaskItem(ORDERED, 5, true)); |
+ EXPECT_EQ(order.Get(6), TaskItem(ORDERED, 5, false)); |
+ EXPECT_EQ(order.Get(7), TaskItem(PUMPS, 1, false)); |
+ EXPECT_EQ(order.Get(8), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(9), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(10), TaskItem(QUITMESSAGELOOP, 6, true)); |
+ EXPECT_EQ(order.Get(11), TaskItem(QUITMESSAGELOOP, 6, false)); |
+} |
+ |
+void FuncThatRuns(TaskList* order, int cookie, RunLoop* run_loop) { |
+ order->RecordStart(RUNS, cookie); |
+ { |
+ MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current()); |
+ run_loop->Run(); |
+ } |
+ order->RecordEnd(RUNS, cookie); |
+} |
+ |
+void FuncThatQuitsNow() { |
+ MessageLoop::current()->QuitNow(); |
+} |
+// Tests RunLoopQuit only quits the corresponding MessageLoop::Run. |
+void RunTest_QuitNow(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop run_loop; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&run_loop))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 3)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 4)); // never runs |
+ |
+ MessageLoop::current()->Run(); |
+ |
+ ASSERT_EQ(6U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 3, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 3, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit only quits the corresponding MessageLoop::Run. |
+void RunTest_RunLoopQuitTop(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop outer_run_loop; |
+ RunLoop nested_run_loop; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&nested_run_loop))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, outer_run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_run_loop.QuitClosure()); |
+ |
+ outer_run_loop.Run(); |
+ |
+ ASSERT_EQ(4U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit only quits the corresponding MessageLoop::Run. |
+void RunTest_RunLoopQuitNested(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop outer_run_loop; |
+ RunLoop nested_run_loop; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&nested_run_loop))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, outer_run_loop.QuitClosure()); |
+ |
+ outer_run_loop.Run(); |
+ |
+ ASSERT_EQ(4U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit only quits the corresponding MessageLoop::Run. |
+void RunTest_RunLoopQuitBogus(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop outer_run_loop; |
+ RunLoop nested_run_loop; |
+ RunLoop bogus_run_loop; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&nested_run_loop))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, bogus_run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, outer_run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_run_loop.QuitClosure()); |
+ |
+ outer_run_loop.Run(); |
+ |
+ ASSERT_EQ(4U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit only quits the corresponding MessageLoop::Run. |
+void RunTest_RunLoopQuitDeep(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop outer_run_loop; |
+ RunLoop nested_loop1; |
+ RunLoop nested_loop2; |
+ RunLoop nested_loop3; |
+ RunLoop nested_loop4; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&nested_loop1))); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 2, Unretained(&nested_loop2))); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 3, Unretained(&nested_loop3))); |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 4, Unretained(&nested_loop4))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 5)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, outer_run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 6)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_loop1.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 7)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_loop2.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 8)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_loop3.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 9)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, nested_loop4.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 10)); |
+ |
+ outer_run_loop.Run(); |
+ |
+ ASSERT_EQ(18U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 3, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 4, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 5, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 5, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 6, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 6, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 7, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 7, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 8, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 8, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 9, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 9, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 4, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 3, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 2, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit works before RunWithID. |
+void RunTest_RunLoopQuitOrderBefore(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop run_loop; |
+ |
+ run_loop.Quit(); |
+ |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 1)); // never runs |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); // never runs |
+ |
+ run_loop.Run(); |
+ |
+ ASSERT_EQ(0U, order.Size()); |
+} |
+ |
+// Tests RunLoopQuit works during RunWithID. |
+void RunTest_RunLoopQuitOrderDuring(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop run_loop; |
+ |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 1)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, run_loop.QuitClosure()); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); // never runs |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); // never runs |
+ |
+ run_loop.Run(); |
+ |
+ ASSERT_EQ(2U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 1, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+// Tests RunLoopQuit works after RunWithID. |
+void RunTest_RunLoopQuitOrderAfter(MessagePumpFactory factory) { |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ |
+ TaskList order; |
+ |
+ RunLoop run_loop; |
+ |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ Bind(&FuncThatRuns, &order, 1, Unretained(&run_loop))); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 2)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 3)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, run_loop.QuitClosure()); // has no affect |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&OrderedFunc, &order, 4)); |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, Bind(&FuncThatQuitsNow)); |
+ |
+ RunLoop outer_run_loop; |
+ outer_run_loop.Run(); |
+ |
+ ASSERT_EQ(8U, order.Size()); |
+ int task_index = 0; |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 2, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(RUNS, 1, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 3, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 3, false)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 4, true)); |
+ EXPECT_EQ(order.Get(task_index++), TaskItem(ORDERED, 4, false)); |
+ EXPECT_EQ(static_cast<size_t>(task_index), order.Size()); |
+} |
+ |
+void PostNTasksThenQuit(int posts_remaining) { |
+ if (posts_remaining > 1) { |
+ MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ Bind(&PostNTasksThenQuit, posts_remaining - 1)); |
+ } else { |
+ MessageLoop::current()->QuitWhenIdle(); |
+ } |
+} |
+ |
+// There was a bug in the MessagePumpGLib where posting tasks recursively |
+// caused the message loop to hang, due to the buffer of the internal pipe |
+// becoming full. Test all MessageLoop types to ensure this issue does not |
+// exist in other MessagePumps. |
+// |
+// On Linux, the pipe buffer size is 64KiB by default. The bug caused one |
+// byte accumulated in the pipe per two posts, so we should repeat 128K |
+// times to reproduce the bug. |
+void RunTest_RecursivePosts(MessagePumpFactory factory) { |
+ const int kNumTimes = 1 << 17; |
+ scoped_ptr<MessagePump> pump(factory()); |
+ MessageLoop loop(pump.Pass()); |
+ loop.PostTask(FROM_HERE, Bind(&PostNTasksThenQuit, kNumTimes)); |
+ loop.Run(); |
+} |
+ |
+} // namespace test |
+} // namespace base |