gecko-dev/xpcom/tests/gtest/TestEventPriorities.cpp
Sylvestre Ledru 6f45c666bc Bug 1513205 - Also update the tests to match the Google coding style r=Ehsan
# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D14595

--HG--
extra : moz-landing-system : lando
2018-12-14 18:10:35 +00:00

88 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsIThreadManager.h"
#include "nsCOMPtr.h"
#include "nsIRunnable.h"
#include "nsXPCOM.h"
#include "nsThreadUtils.h"
#include "gtest/gtest.h"
#include <functional>
using namespace mozilla;
class TestEvent final : public Runnable, nsIRunnablePriority {
public:
explicit TestEvent(int* aCounter, std::function<void()>&& aCheck,
uint32_t aPriority = nsIRunnablePriority::PRIORITY_NORMAL)
: Runnable("TestEvent"),
mCounter(aCounter),
mCheck(std::move(aCheck)),
mPriority(aPriority) {}
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD GetPriority(uint32_t* aPriority) override {
*aPriority = mPriority;
return NS_OK;
}
NS_IMETHODIMP Run() override {
(*mCounter)++;
mCheck();
return NS_OK;
}
private:
~TestEvent() {}
int* mCounter;
std::function<void()> mCheck;
uint32_t mPriority;
};
NS_IMPL_ISUPPORTS_INHERITED(TestEvent, Runnable, nsIRunnablePriority)
TEST(EventPriorities, IdleAfterNormal) {
int normalRan = 0, idleRan = 0;
RefPtr<TestEvent> evNormal =
new TestEvent(&normalRan, [&] { ASSERT_EQ(idleRan, 0); });
RefPtr<TestEvent> evIdle =
new TestEvent(&idleRan, [&] { ASSERT_EQ(normalRan, 3); });
NS_IdleDispatchToCurrentThread(do_AddRef(evIdle));
NS_IdleDispatchToCurrentThread(do_AddRef(evIdle));
NS_IdleDispatchToCurrentThread(do_AddRef(evIdle));
NS_DispatchToMainThread(evNormal);
NS_DispatchToMainThread(evNormal);
NS_DispatchToMainThread(evNormal);
MOZ_ALWAYS_TRUE(
SpinEventLoopUntil([&]() { return normalRan == 3 && idleRan == 3; }));
}
TEST(EventPriorities, InterleaveHighNormal) {
int normalRan = 0, highRan = 0;
RefPtr<TestEvent> evNormal = new TestEvent(
&normalRan, [&] { ASSERT_TRUE(abs(normalRan - highRan) <= 1); });
RefPtr<TestEvent> evHigh = new TestEvent(
&highRan, [&] { ASSERT_TRUE(abs(normalRan - highRan) <= 1); },
nsIRunnablePriority::PRIORITY_HIGH);
NS_DispatchToMainThread(evNormal);
NS_DispatchToMainThread(evNormal);
NS_DispatchToMainThread(evNormal);
NS_DispatchToMainThread(evHigh);
NS_DispatchToMainThread(evHigh);
NS_DispatchToMainThread(evHigh);
MOZ_ALWAYS_TRUE(
SpinEventLoopUntil([&]() { return normalRan == 3 && highRan == 3; }));
}