94 lines
1.6 KiB
C++
94 lines
1.6 KiB
C++
// Copyright 2018-2022 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/leaf/config.hpp>
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#ifdef BOOST_LEAF_NO_EXCEPTIONS
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#include <iostream>
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int main()
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{
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std::cout << "Unit test not applicable." << std::endl;
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return 0;
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}
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#else
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#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
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# include "leaf.hpp"
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#else
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# include <boost/leaf/handle_errors.hpp>
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# include <boost/leaf/pred.hpp>
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#endif
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#include "lightweight_test.hpp"
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namespace leaf = boost::leaf;
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enum class ErrorCode
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{
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E_GENERIC_UNEXPECTED,
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E_GENERIC_PARSE
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};
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int test1( int a )
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{
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if( a == 1 )
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BOOST_LEAF_THROW_EXCEPTION(ErrorCode::E_GENERIC_UNEXPECTED);
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return 32;
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}
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float test2(int a)
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{
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return leaf::try_catch(
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[&]
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{
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auto val = test1(a);
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(void) val;
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return 4.5;
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},
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[](leaf::match<ErrorCode,ErrorCode::E_GENERIC_UNEXPECTED>)
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{
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BOOST_LEAF_THROW_EXCEPTION(ErrorCode::E_GENERIC_PARSE);
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return 0;
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}
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);
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}
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void test3(int a)
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{
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int x = 0;
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leaf::try_catch(
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[&]
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{
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auto val = test2(a);
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(void) val;
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},
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[&](leaf::match<ErrorCode, ErrorCode::E_GENERIC_PARSE>)
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{
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x = 1;
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},
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[&](ErrorCode e)
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{
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x = 2;
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},
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[&]()
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{
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x = 3;
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}
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);
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BOOST_TEST_EQ(x, 1);
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}
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int main()
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{
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test3(1);
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return boost::report_errors();
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}
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#endif
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