| 1 | // Copyright 2022 Peter Dimov |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // https://www.boost.org/LICENSE_1_0.txt |
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| 4 | |
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| 5 | #include <boost/throw_exception.hpp> |
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| 6 | #include <boost/core/lightweight_test.hpp> |
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| 7 | |
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| 8 | #if defined(_MSC_VER) |
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| 9 | # pragma warning(disable: 4702) // unreachable code |
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| 10 | #endif |
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| 11 | |
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| 12 | class my_exception: public std::exception |
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| 13 | { |
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| 14 | }; |
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| 15 | |
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| 16 | int main() |
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| 17 | { |
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| 18 | try |
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| 19 | { |
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| 20 | boost::throw_with_location( e: my_exception() ); |
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| 21 | |
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| 22 | BOOST_ERROR( "boost::throw_with_location failed to throw" ); |
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| 23 | } |
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| 24 | catch( std::exception const & x ) |
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| 25 | { |
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| 26 | boost::source_location loc = boost::get_throw_location( e: x ); |
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| 27 | |
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| 28 | // When not supplied explicitly, the source location is best effort. |
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| 29 | // It should be the location of the throw_with_location call on |
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| 30 | // recent compilers, but that's not guaranteed for every compiler. |
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| 31 | // So we can't be more specific in testing it. |
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| 32 | |
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| 33 | BOOST_TEST_CSTR_NE( loc.file_name(), "" ); |
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| 34 | BOOST_TEST_NE( loc.line(), 0u ); |
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| 35 | } |
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| 36 | catch( ... ) |
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| 37 | { |
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| 38 | BOOST_ERROR( "boost::throw_with_location failed to throw std::exception" ); |
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| 39 | } |
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| 40 | |
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| 41 | boost::source_location location = BOOST_CURRENT_LOCATION; |
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| 42 | |
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| 43 | try |
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| 44 | { |
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| 45 | boost::throw_with_location( e: my_exception(), loc: location ); |
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| 46 | |
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| 47 | BOOST_ERROR( "boost::throw_with_location failed to throw" ); |
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| 48 | } |
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| 49 | catch( std::exception const & x ) |
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| 50 | { |
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| 51 | boost::source_location loc = boost::get_throw_location( e: x ); |
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| 52 | |
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| 53 | BOOST_TEST_CSTR_EQ( loc.file_name(), location.file_name() ); |
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| 54 | BOOST_TEST_CSTR_EQ( loc.function_name(), location.function_name() ); |
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| 55 | BOOST_TEST_EQ( loc.line(), location.line() ); |
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| 56 | BOOST_TEST_EQ( loc.column(), location.column() ); |
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| 57 | } |
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| 58 | catch( ... ) |
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| 59 | { |
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| 60 | BOOST_ERROR( "boost::throw_with_location failed to throw std::exception" ); |
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| 61 | } |
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| 62 | |
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| 63 | return boost::report_errors(); |
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| 64 | } |
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| 65 | |
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