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beb1f3c207
This is a utility for RAII-style operations. An object that will run code when a scope is left. Also includes unit tests.
45 lines
1 KiB
C++
45 lines
1 KiB
C++
//
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// Copyright 2019 Ettus Research, a National Instruments Brand
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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#include <uhd/utils/scope_exit.hpp>
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#include <boost/test/unit_test.hpp>
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#include <iostream>
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BOOST_AUTO_TEST_CASE(test_scope_exit)
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{
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bool flag = false;
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{
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auto flag_setter = uhd::utils::scope_exit::make([&flag]() { flag = true; });
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BOOST_CHECK(!flag);
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}
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BOOST_CHECK(flag);
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}
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BOOST_AUTO_TEST_CASE(test_scope_exit_function_object)
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{
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bool flag = false;
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std::function<void(void)> resetter = [&flag]() { flag = true; };
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{
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auto flag_setter = uhd::utils::scope_exit::make(std::move(resetter));
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BOOST_CHECK(!flag);
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}
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BOOST_CHECK(flag);
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}
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BOOST_AUTO_TEST_CASE(test_scope_exit_function_named_lambda)
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{
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bool flag = false;
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auto resetter = [&flag]() { flag = true; };
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{
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// Note: Does not require std::move()
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auto flag_setter = uhd::utils::scope_exit::make(resetter);
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BOOST_CHECK(!flag);
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}
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BOOST_CHECK(flag);
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}
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