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- //
- // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
- //
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //
- // Official repository: https://github.com/boostorg/beast
- //
- #ifndef BOOST_BEAST_TEST_FAIL_COUNT_HPP
- #define BOOST_BEAST_TEST_FAIL_COUNT_HPP
- #include <boost/beast/core/detail/config.hpp>
- #include <boost/beast/_experimental/test/error.hpp>
- #include <cstdlib>
- namespace boost {
- namespace beast {
- namespace test {
- /** A countdown to simulated failure
- On the Nth operation, the class will fail with the specified
- error code, or the default error code of @ref error::test_failure.
- Instances of this class may be used to build objects which
- are specifically designed to aid in writing unit tests, for
- interfaces which can throw exceptions or return `error_code`
- values representing failure.
- */
- class fail_count
- {
- std::size_t n_;
- std::size_t i_ = 0;
- error_code ec_;
- public:
- fail_count(fail_count&&) = default;
- /** Construct a counter
- @param n The 0-based index of the operation to fail on or after
- @param ev An optional error code to use when generating a simulated failure
- */
- BOOST_BEAST_DECL
- explicit
- fail_count(
- std::size_t n,
- error_code ev = error::test_failure);
- /// Throw an exception on the Nth failure
- BOOST_BEAST_DECL
- void
- fail();
- /// Set an error code on the Nth failure
- BOOST_BEAST_DECL
- bool
- fail(error_code& ec);
- };
- } // test
- } // beast
- } // boost
- #ifdef BOOST_BEAST_HEADER_ONLY
- #include <boost/beast/_experimental/test/impl/fail_count.ipp>
- #endif
- #endif
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