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// Copyright (C) 2013-2020 Internet Systems Consortium, Inc. ("ISC")
//
// 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 <config.h>
#include <asiolink/io_service.h>
#include <gtest/gtest.h>
#include <functional>
#include <vector>
using namespace isc::asiolink;
namespace {
void
postedEvent(std::vector<int>* destination, int value) {
destination->push_back(value);
}
// Check the posted events are called, in the same order they are posted.
TEST(IOService, post) {
std::vector<int> called;
IOService service;
// Post two events
service.post(std::bind(&postedEvent, &called, 1));
service.post(std::bind(&postedEvent, &called, 2));
service.post(std::bind(&postedEvent, &called, 3));
// They have not yet been called
EXPECT_TRUE(called.empty());
// Process two events
service.runOne();
service.runOne();
// Both events were called in the right order
ASSERT_EQ(2, called.size());
EXPECT_EQ(1, called[0]);
EXPECT_EQ(2, called[1]);
// Test that poll() executes the last handler.
service.poll();
ASSERT_EQ(3, called.size());
EXPECT_EQ(3, called[2]);
}
}
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