diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index 40f3fe6..b1d5821 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -59,5 +59,6 @@ add_executable( all_tests all_tests.cpp serialization_test.cpp time_test.cpp utf8_test.cpp + variant_test.cpp ) target_link_libraries( all_tests fc ) diff --git a/tests/variant_test.cpp b/tests/variant_test.cpp new file mode 100644 index 0000000..7595193 --- /dev/null +++ b/tests/variant_test.cpp @@ -0,0 +1,133 @@ +#include +#include + +#include +#include +#include +#include + +namespace fc { namespace test { + + struct item; + inline bool operator == ( const item& a, const item& b ); + inline bool operator < ( const item& a, const item& b ); + + struct item_wrapper + { + item_wrapper() {} + item_wrapper(item&& it) { v.reserve(1); v.insert( it ); } + boost::container::flat_set v; + }; + + inline bool operator == ( const item_wrapper& a, const item_wrapper& b ) + { return ( std::tie( a.v ) == std::tie( b.v ) ); } + inline bool operator < ( const item_wrapper& a, const item_wrapper& b ) + { return ( std::tie( a.v ) < std::tie( b.v ) ); } + + struct item + { + item(int32_t lvl = 0) : level(lvl) {} + item(item_wrapper&& wp, int32_t lvl = 0) : level(lvl), w(wp) {} + int32_t level; + item_wrapper w; + }; + + inline bool operator == ( const item& a, const item& b ) + { return ( std::tie( a.level, a.w ) == std::tie( b.level, b.w ) ); } + inline bool operator < ( const item& a, const item& b ) + { return ( std::tie( a.level, a.w ) < std::tie( b.level, b.w ) ); } + + +} } // namespace fc::test + +FC_REFLECT( fc::test::item_wrapper, (v) ); +FC_REFLECT( fc::test::item, (level)(w) ); + +BOOST_AUTO_TEST_SUITE(fc_variant_and_log) + +BOOST_AUTO_TEST_CASE( nested_objects_test ) +{ try { + + auto create_nested_object = []( uint32_t level ) + { + ilog( "Creating nested object with ${lv} level(s)", ("lv",level) ); + fc::test::item nested; + for( uint32_t i = 1; i <= level; i++ ) + { + if( i % 10 == 0 ) + ilog( "Creating level ${lv}", ("lv",i) ); + fc::test::item_wrapper wp( std::move(nested) ); + nested = fc::test::item( std::move(wp), i ); + } + return nested; + }; + + for (int nested_loops = 0; nested_loops <= 100; ++nested_loops ) + { + int nested_levels = nested_loops * 3 + 2; + auto nested = create_nested_object( nested_loops ); + + fc::variant v; + + BOOST_TEST_MESSAGE( "About to convert to variant." ); + BOOST_CHECK_THROW( to_variant( nested, v, nested_levels ), fc::assert_exception ); + // CAPTURE_AND_LOG should never throw again + try { to_variant( nested, v, nested_levels ); } FC_CAPTURE_AND_LOG ( (nested) ); + to_variant( nested, v, nested_levels + 1 ); + + BOOST_TEST_MESSAGE( "About to convert from variant." ); + fc::test::item unpacked; + BOOST_CHECK_THROW( from_variant( v, unpacked, nested_levels ), fc::assert_exception ); + from_variant( v, unpacked, nested_levels + 1 ); + + BOOST_CHECK( unpacked == nested ); + + fc::static_variant sv( nested ), sv1; + BOOST_TEST_MESSAGE( "About to convert static_variant to variant." ); + BOOST_CHECK_THROW( to_variant( sv, v, nested_levels + 1 ), fc::assert_exception ); + // CAPTURE_AND_LOG should never throw again + try { to_variant( sv, v, nested_levels + 1 ); } FC_CAPTURE_AND_LOG ( (sv) ); + to_variant( sv, v, nested_levels + 2 ); + + BOOST_TEST_MESSAGE( "About to convert static_variant from variant." ); + BOOST_CHECK_THROW( from_variant( v, sv1, nested_levels + 1 ), fc::assert_exception ); + from_variant( v, sv1, nested_levels + 2 ); + + BOOST_CHECK( sv == sv1 ); + + std::vector> vec(300), vec1; + for( int i = 0; i < 300; i++ ) + vec.push_back(sv); + BOOST_TEST_MESSAGE( "About to convert vector to variant." ); + BOOST_CHECK_THROW( to_variant( vec, v, nested_levels + 2 ), fc::assert_exception ); + // CAPTURE_AND_LOG should never throw again + try { to_variant( vec, v, nested_levels + 2 ); } FC_CAPTURE_AND_LOG ( (vec) ); + to_variant( vec, v, nested_levels + 3 ); + + BOOST_TEST_MESSAGE( "About to convert vector from variant." ); + BOOST_CHECK_THROW( from_variant( v, vec1, nested_levels + 2 ), fc::assert_exception ); + from_variant( v, vec1, nested_levels + 3 ); + + BOOST_CHECK( vec == vec1 ); + + // both log and dump should never throw + BOOST_TEST_MESSAGE( "About to log obj." ); + ilog( "The obj is ${a}", ("a",nested) ); + BOOST_TEST_MESSAGE( "About to dump obj." ); + idump( (nested) ); + + BOOST_TEST_MESSAGE( "About to log static_variant." ); + ilog( "The static_variant is ${a}", ("a",sv) ); + BOOST_TEST_MESSAGE( "About to dump static_variant." ); + idump((sv)); + + BOOST_TEST_MESSAGE( "About to log vector." ); + ilog( "The vector is ${a}", ("a",vec) ); + BOOST_TEST_MESSAGE( "About to dump vector." ); + idump((vec)); + + } + +} FC_CAPTURE_LOG_AND_RETHROW ( (0) ) } + +BOOST_AUTO_TEST_SUITE_END()