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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/SpinEventLoopUntil.h"
#include "mozilla/ipc/AsyncBlockers.h"
#include "mozilla/gtest/MozHelpers.h"
#include "nsCOMPtr.h"
#include "nsITimer.h"
#include "nsINamed.h"
using namespace mozilla;
using namespace mozilla::ipc;
#define PROCESS_EVENTS_UNTIL(_done) \
SpinEventLoopUntil("TestAsyncBlockers"_ns, [&]() { return _done; });
class TestAsyncBlockers : public ::testing::Test {
protected:
void SetUp() override {
SAVE_GDB_SLEEP(mOldSleepDuration);
return;
}
void TearDown() final { RESTORE_GDB_SLEEP(mOldSleepDuration); }
private:
#if defined(HAS_GDB_SLEEP_DURATION)
unsigned int mOldSleepDuration = 0;
#endif // defined(HAS_GDB_SLEEP_DURATION)
};
class Blocker {};
TEST_F(TestAsyncBlockers, Register) {
AsyncBlockers blockers;
Blocker* blocker = new Blocker();
blockers.Register(blocker);
EXPECT_TRUE(true);
}
TEST_F(TestAsyncBlockers, Register_Deregister) {
AsyncBlockers blockers;
Blocker* blocker = new Blocker();
blockers.Register(blocker);
blockers.Deregister(blocker);
EXPECT_TRUE(true);
}
TEST_F(TestAsyncBlockers, Register_WaitUntilClear) {
AsyncBlockers blockers;
bool done = false;
Blocker* blocker = new Blocker();
blockers.Register(blocker);
blockers.WaitUntilClear(5 * 1000)->Then(GetCurrentSerialEventTarget(),
__func__, [&]() {
EXPECT_TRUE(true);
done = true;
});
NS_ProcessPendingEvents(nullptr);
blockers.Deregister(blocker);
PROCESS_EVENTS_UNTIL(done);
}
class AsyncBlockerTimerCallback : public nsITimerCallback, public nsINamed {
protected:
virtual ~AsyncBlockerTimerCallback();
public:
explicit AsyncBlockerTimerCallback() {}
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
NS_DECL_NSINAMED
};
NS_IMPL_ISUPPORTS(AsyncBlockerTimerCallback, nsITimerCallback, nsINamed)
AsyncBlockerTimerCallback::~AsyncBlockerTimerCallback() = default;
NS_IMETHODIMP
AsyncBlockerTimerCallback::Notify(nsITimer* timer) {
// If we resolve through this, it means
// blockers.WaitUntilClear() started to wait for
// the completion of the timeout which is not
// good.
EXPECT_TRUE(false);
return NS_OK;
}
NS_IMETHODIMP
AsyncBlockerTimerCallback::GetName(nsACString& aName) {
aName.AssignLiteral("AsyncBlockerTimerCallback");
return NS_OK;
}
TEST_F(TestAsyncBlockers, NoRegister_WaitUntilClear) {
AsyncBlockers blockers;
bool done = false;
nsCOMPtr<nsITimer> timer = NS_NewTimer();
ASSERT_TRUE(timer);
RefPtr<AsyncBlockerTimerCallback> timerCb = new AsyncBlockerTimerCallback();
timer->InitWithCallback(timerCb, 1 * 1000, nsITimer::TYPE_ONE_SHOT);
blockers.WaitUntilClear(10 * 1000)->Then(GetCurrentSerialEventTarget(),
__func__, [&]() {
// If we resolve through this
// before the nsITimer it means we
// have been resolved before the 5s
// timeout
EXPECT_TRUE(true);
timer->Cancel();
done = true;
});
PROCESS_EVENTS_UNTIL(done);
}
TEST_F(TestAsyncBlockers, Register_WaitUntilClear_0s) {
AsyncBlockers blockers;
bool done = false;
Blocker* blocker = new Blocker();
blockers.Register(blocker);
blockers.WaitUntilClear(0)->Then(GetCurrentSerialEventTarget(), __func__,
[&]() {
EXPECT_TRUE(true);
done = true;
});
NS_ProcessPendingEvents(nullptr);
blockers.Deregister(blocker);
PROCESS_EVENTS_UNTIL(done);
}
#if defined(MOZ_DIAGNOSTIC_ASSERT_ENABLED) && !defined(ANDROID) && \
!(defined(XP_DARWIN) && !defined(MOZ_DEBUG))
static void DeregisterEmpty_Test() {
mozilla::gtest::DisableCrashReporter();
AsyncBlockers blockers;
Blocker* blocker = new Blocker();
blockers.Deregister(blocker);
}
TEST_F(TestAsyncBlockers, DeregisterEmpty) {
ASSERT_DEATH_IF_SUPPORTED(DeregisterEmpty_Test(), "");
}
#endif // defined(MOZ_DIAGNOSTIC_ASSERT_ENABLED) && !defined(ANDROID) &&
// !(defined(XP_DARWIN) && !defined(MOZ_DEBUG))
#undef PROCESS_EVENTS_UNTIL
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