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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 "TestCommon.h"
#include "gtest/gtest.h"
#include "mozilla/gtest/MozAssertions.h"
#include "nsCOMPtr.h"
#include "nsISocketTransport.h"
#include "../../base/nsSocketTransportService2.h"
#include "../../base/PollableEvent.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
using namespace mozilla;
using namespace mozilla::net;
// Test for bug 1993248 - PR_CreatePipe doesn't set nonblocking flag
// This test verifies that PollableEvent::Clear() doesn't block when called
TEST(TestPollableEvent, ClearDoesNotBlock)
{
nsCOMPtr<nsISocketTransportService> service =
do_GetService("@mozilla.org/network/socket-transport-service;1");
ASSERT_TRUE(service);
auto* sts = gSocketTransportService;
ASSERT_TRUE(sts);
NS_DispatchAndSpinEventLoopUntilComplete(
"TestPollableEvent::ClearDoesNotBlock"_ns, sts,
NS_NewRunnableFunction("TestPollableEvent::ClearDoesNotBlock", [&]() {
// Create a PollableEvent
PollableEvent event;
ASSERT_TRUE(event.Valid());
// The constructor signals the event, so Clear() should succeed
ASSERT_TRUE(event.Clear());
// Signal the event
ASSERT_TRUE(event.Signal());
// Clear should succeed and not block
ASSERT_TRUE(event.Clear());
// Calling Clear() again without Signal() should also not block
// It should return true even when there's no data available
ASSERT_TRUE(event.Clear());
// Signal and clear multiple times to ensure robustness
for (int i = 0; i < 10; i++) {
ASSERT_TRUE(event.Signal());
ASSERT_TRUE(event.Clear());
}
}));
}
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