| 1 | // Copyright 2018-2023 Emil Dotchevski and Reverge Studios, Inc. |
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| 2 | |
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| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | |
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| 7 | #include <boost/leaf/config.hpp> |
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| 8 | |
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| 9 | #ifdef BOOST_LEAF_NO_EXCEPTIONS |
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| 10 | |
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| 11 | #include <iostream> |
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| 12 | |
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| 13 | int main() |
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| 14 | { |
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| 15 | std::cout << "Unit test not applicable." << std::endl; |
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| 16 | return 0; |
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| 17 | } |
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| 18 | |
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| 19 | #else |
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| 20 | |
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| 21 | #ifdef BOOST_LEAF_TEST_SINGLE_HEADER |
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| 22 | # include "leaf.hpp" |
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| 23 | #else |
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| 24 | # include <boost/leaf/handle_errors.hpp> |
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| 25 | # include <boost/leaf/exception.hpp> |
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| 26 | # include <boost/leaf/pred.hpp> |
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| 27 | #endif |
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| 28 | |
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| 29 | #include "lightweight_test.hpp" |
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| 30 | |
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| 31 | namespace leaf = boost::leaf; |
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| 32 | |
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| 33 | enum class ErrorCode |
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| 34 | { |
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| 35 | E_GENERIC_UNEXPECTED, |
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| 36 | E_GENERIC_PARSE |
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| 37 | }; |
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| 38 | |
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| 39 | int test1( int a ) |
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| 40 | { |
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| 41 | if( a == 1 ) |
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| 42 | BOOST_LEAF_THROW_EXCEPTION(car: ErrorCode::E_GENERIC_UNEXPECTED); |
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| 43 | return 32; |
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| 44 | } |
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| 45 | |
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| 46 | float test2(int a) |
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| 47 | { |
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| 48 | return leaf::try_catch( |
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| 49 | try_block: [&] |
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| 50 | { |
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| 51 | auto val = test1(a); |
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| 52 | (void) val; |
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| 53 | return 4.5; |
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| 54 | }, |
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| 55 | h: [](leaf::match<ErrorCode,ErrorCode::E_GENERIC_UNEXPECTED>) |
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| 56 | { |
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| 57 | BOOST_LEAF_THROW_EXCEPTION(car: ErrorCode::E_GENERIC_PARSE); |
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| 58 | return 0; |
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| 59 | } |
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| 60 | ); |
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| 61 | } |
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| 62 | |
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| 63 | void test3(int a) |
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| 64 | { |
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| 65 | int x = 0; |
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| 66 | leaf::try_catch( |
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| 67 | try_block: [&] |
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| 68 | { |
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| 69 | auto val = test2(a); |
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| 70 | (void) val; |
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| 71 | }, |
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| 72 | h: [&](leaf::match<ErrorCode, ErrorCode::E_GENERIC_PARSE>) |
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| 73 | { |
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| 74 | x = 1; |
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| 75 | }, |
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| 76 | h: [&](ErrorCode e) |
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| 77 | { |
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| 78 | x = 2; |
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| 79 | }, |
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| 80 | h: [&]() |
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| 81 | { |
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| 82 | x = 3; |
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| 83 | } |
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| 84 | ); |
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| 85 | BOOST_TEST_EQ(x, 1); |
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| 86 | } |
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| 87 | |
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| 88 | int main() |
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| 89 | { |
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| 90 | test3(a: 1); |
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| 91 | return boost::report_errors(); |
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| 92 | } |
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| 93 | |
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| 94 | #endif |
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| 95 | |
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