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92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
//Copyright (c) 2018 Emil Dotchevski
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//Copyright (c) 2018 Second Spectrum, 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/expect.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <string.h>
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namespace leaf = boost::leaf;
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template <int A>
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struct unexp
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{
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int value;
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};
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template <int A>
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struct info
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{
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int value;
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};
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leaf::error f1()
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{
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return LEAF_ERROR( info<1>{1}, unexp<1>{1}, unexp<2>{2} );
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}
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leaf::error f2()
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{
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leaf::expect<info<1>> exp;
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return f1().propagate( info<2>{2} );
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}
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leaf::error f3()
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{
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leaf::expect<info<2>,info<3>,unexp<1>> exp;
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leaf::error e = f2().propagate( info<4>{4} );
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BOOST_TEST(leaf::peek<unexp<1>>(exp,e)->value==1);
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return e;
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}
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leaf::error f4()
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{
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leaf::expect<leaf::e_source_location,leaf::e_unexpected,info<1>,info<2>,info<3>,info<4>> exp;
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{
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leaf::error e = f3();
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bool handled = handle_error( exp, e,
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[ ]( info<1>, info<2>, info<3>, info<4> ){ },
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[ ]( info<1>, info<2>, info<4> ) { } );
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BOOST_TEST(handled);
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}
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leaf::error e = f3();
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int c1=0, c2=0;
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bool handled = handle_error( exp, e,
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[&c1]( info<1>,info<2>,info<3>,info<4> )
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{
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++c1;
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},
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[&c2]( leaf::e_source_location const & loc, leaf::e_unexpected const & unx, info<1> const & i1, info<2> const & i2, info<4> const & i4 )
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{
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BOOST_TEST(loc.line==27);
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BOOST_TEST(strcmp(loc.file,__FILE__)==0);
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BOOST_TEST(strstr(loc.function,"f1")!=0);
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BOOST_TEST(unx.count==2);
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BOOST_TEST(unx.first_type==&leaf::type<unexp<2>>);
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BOOST_TEST(i1.value==1);
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BOOST_TEST(i2.value==2);
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BOOST_TEST(i4.value==4);
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++c2;
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} );
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BOOST_TEST(handled);
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BOOST_TEST(c1==0);
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BOOST_TEST(c2==1);
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return leaf::error();
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}
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int main()
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{
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leaf::expect<info<2>,info<3>,info<4>> exp;
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leaf::error e=f4();
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BOOST_TEST(!leaf::peek<info<2>>(exp,e));
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BOOST_TEST(!leaf::peek<info<3>>(exp,e));
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BOOST_TEST(!leaf::peek<info<4>>(exp,e));
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BOOST_TEST(leaf::leaf_detail::tl_slot_ptr<info<1>>()==0);
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BOOST_TEST(leaf::leaf_detail::tl_slot_ptr<info<2>>()!=0);
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BOOST_TEST(leaf::leaf_detail::tl_slot_ptr<info<3>>()!=0);
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BOOST_TEST(leaf::leaf_detail::tl_slot_ptr<info<4>>()!=0);
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return boost::report_errors();
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}
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