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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/base/messagequeue.h"
#include "webrtc/base/bind.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/logging.h"
#include "webrtc/base/thread.h"
#include "webrtc/base/timeutils.h"
#include "webrtc/base/nullsocketserver.h"
#include "webrtc/test/testsupport/gtest_disable.h"
using namespace rtc;
class MessageQueueTest: public testing::Test, public MessageQueue {
public:
bool IsLocked_Worker() {
if (!crit_.TryEnter()) {
return true;
}
crit_.Leave();
return false;
}
bool IsLocked() {
// We have to do this on a worker thread, or else the TryEnter will
// succeed, since our critical sections are reentrant.
Thread worker;
worker.Start();
return worker.Invoke<bool>(
rtc::Bind(&MessageQueueTest::IsLocked_Worker, this));
}
};
struct DeletedLockChecker {
DeletedLockChecker(MessageQueueTest* test, bool* was_locked, bool* deleted)
: test(test), was_locked(was_locked), deleted(deleted) { }
~DeletedLockChecker() {
*deleted = true;
*was_locked = test->IsLocked();
}
MessageQueueTest* test;
bool* was_locked;
bool* deleted;
};
static void DelayedPostsWithIdenticalTimesAreProcessedInFifoOrder(
MessageQueue* q) {
EXPECT_TRUE(q != NULL);
TimeStamp now = Time();
q->PostAt(now, NULL, 3);
q->PostAt(now - 2, NULL, 0);
q->PostAt(now - 1, NULL, 1);
q->PostAt(now, NULL, 4);
q->PostAt(now - 1, NULL, 2);
Message msg;
for (size_t i=0; i<5; ++i) {
memset(&msg, 0, sizeof(msg));
EXPECT_TRUE(q->Get(&msg, 0));
EXPECT_EQ(i, msg.message_id);
}
EXPECT_FALSE(q->Get(&msg, 0)); // No more messages
}
TEST_F(MessageQueueTest,
DelayedPostsWithIdenticalTimesAreProcessedInFifoOrder) {
MessageQueue q;
DelayedPostsWithIdenticalTimesAreProcessedInFifoOrder(&q);
NullSocketServer nullss;
MessageQueue q_nullss(&nullss);
DelayedPostsWithIdenticalTimesAreProcessedInFifoOrder(&q_nullss);
}
TEST_F(MessageQueueTest, DisposeNotLocked) {
bool was_locked = true;
bool deleted = false;
DeletedLockChecker* d = new DeletedLockChecker(this, &was_locked, &deleted);
Dispose(d);
Message msg;
EXPECT_FALSE(Get(&msg, 0));
EXPECT_TRUE(deleted);
EXPECT_FALSE(was_locked);
}
class DeletedMessageHandler : public MessageHandler {
public:
explicit DeletedMessageHandler(bool* deleted) : deleted_(deleted) { }
~DeletedMessageHandler() {
*deleted_ = true;
}
void OnMessage(Message* msg) { }
private:
bool* deleted_;
};
TEST_F(MessageQueueTest, DiposeHandlerWithPostedMessagePending) {
bool deleted = false;
DeletedMessageHandler *handler = new DeletedMessageHandler(&deleted);
// First, post a dispose.
Dispose(handler);
// Now, post a message, which should *not* be returned by Get().
Post(handler, 1);
Message msg;
EXPECT_FALSE(Get(&msg, 0));
EXPECT_TRUE(deleted);
}
struct UnwrapMainThreadScope {
UnwrapMainThreadScope() : rewrap_(Thread::Current() != NULL) {
if (rewrap_) ThreadManager::Instance()->UnwrapCurrentThread();
}
~UnwrapMainThreadScope() {
if (rewrap_) ThreadManager::Instance()->WrapCurrentThread();
}
private:
bool rewrap_;
};
TEST(MessageQueueManager, Clear) {
UnwrapMainThreadScope s;
if (MessageQueueManager::IsInitialized()) {
LOG(LS_INFO) << "Unable to run MessageQueueManager::Clear test, since the "
<< "MessageQueueManager was already initialized by some "
<< "other test in this run.";
return;
}
bool deleted = false;
DeletedMessageHandler* handler = new DeletedMessageHandler(&deleted);
delete handler;
EXPECT_TRUE(deleted);
EXPECT_FALSE(MessageQueueManager::IsInitialized());
}
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