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Wait exponentially longer when all hosts have been exhausted during reconnect

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Summary: related to T13746

Reviewers: ivica

Reviewed By: ivica

Subscribers: miljen, iljazovic

Differential Revision: https://repo.mireo.local/D27995
This commit is contained in:
Korina Šimičević
2024-02-19 13:25:20 +01:00
parent 38f2cb2496
commit 7cbd7725fc
2 changed files with 63 additions and 2 deletions
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36
test/unit/reconnect_op.cpp Normal file
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#include <boost/test/unit_test.hpp>
#include <boost/asio/io_context.hpp>
#include <boost/asio/steady_timer.hpp>
#include <async_mqtt5/impl/reconnect_op.hpp>
using namespace async_mqtt5;
BOOST_AUTO_TEST_SUITE(reconnect_op/*, *boost::unit_test::disabled()*/)
BOOST_AUTO_TEST_CASE(exponential_backoff) {
using namespace std::chrono_literals;
detail::exponential_backoff generator;
auto first_iter = generator.generate();
BOOST_TEST((first_iter >= 500ms && first_iter <= 1500ms));
auto second_iter = generator.generate();
BOOST_TEST((second_iter >= 1500ms && first_iter <= 2500ms));
auto third_iter = generator.generate();
BOOST_TEST((third_iter >= 3500ms && third_iter <= 4500ms));
auto fourth_iter = generator.generate();
BOOST_TEST((fourth_iter >= 7500ms && fourth_iter <= 8500ms));
auto fifth_iter = generator.generate();
BOOST_TEST((fifth_iter >= 15500ms && fourth_iter <= 16500ms));
auto sixth_iter = generator.generate();
BOOST_TEST((sixth_iter >= 15500ms && sixth_iter <= 16500ms));
}
BOOST_AUTO_TEST_SUITE_END();