290 lines
9.2 KiB
C++
290 lines
9.2 KiB
C++
#include <boost/test/unit_test.hpp>
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#include <fc/variant.hpp>
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#include <fc/variant_object.hpp>
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#include <fc/exception/exception.hpp>
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#include <fc/io/buffered_iostream.hpp>
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#include <fc/io/fstream.hpp>
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#include <fc/io/iostream.hpp>
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#include <fc/io/json.hpp>
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#include <fc/io/sstream.hpp>
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#include <fstream>
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BOOST_AUTO_TEST_SUITE(json_tests)
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static void replace_some( std::string& str )
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{
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for( size_t i = 0; i < str.length(); i++ )
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if( str[i] == '\1' ) str[i] = '\0';
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else if( str[i] == '\'' ) str[i] = '"';
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}
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static void test_fail_string( const std::string& str )
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{
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try {
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fc::json::from_string( str );
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BOOST_FAIL( "json::from_string('" + str + "') failed" );
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} catch( const fc::parse_error_exception& ) { // ignore, ok
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} catch( const fc::eof_exception& ) { // ignore, ok
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} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_string failed")(str) )
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}
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static void test_fail_stream( const std::string& str )
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{
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fc::temp_file file( fc::temp_directory_path(), true );
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{
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std::fstream init( file.path().to_native_ansi_path(), std::fstream::out | std::fstream::trunc );
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init.write( str.c_str(), str.length() );
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init.close();
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}
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try {
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fc::istream_ptr in( new fc::ifstream( file.path() ) );
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fc::buffered_istream bin( in );
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fc::json::from_stream( bin );
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BOOST_FAIL( "json::from_stream('" + str + "') failed using ifstream" );
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} catch( const fc::parse_error_exception& ) { // ignore, ok
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} catch( const fc::eof_exception& ) { // ignore, ok
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} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_stream failed using ifstream")(str) )
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try {
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fc::istream_ptr in( new fc::stringstream( str ) );
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fc::buffered_istream bin( in );
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fc::json::from_stream( bin );
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BOOST_FAIL( "json::from_stream('" + str + "') failed using stringstream" );
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} catch( const fc::parse_error_exception& ) { // ignore, ok
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} catch( const fc::eof_exception& ) { // ignore, ok
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} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_stream failed using stringstream")(str) )
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}
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static void test_fail_file( const std::string& str )
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{
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fc::temp_file file( fc::temp_directory_path(), true );
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{
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std::fstream init( file.path().to_native_ansi_path(), std::fstream::out | std::fstream::trunc );
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init.write( str.c_str(), str.length() );
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init.close();
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}
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try {
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fc::json::from_file( file.path() );
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BOOST_FAIL( "json::from_file('" + str + "') failed using" );
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} catch( const fc::parse_error_exception& ) { // ignore, ok
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} catch( const fc::eof_exception& ) { // ignore, ok
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} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_file failed")(str) )
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}
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BOOST_AUTO_TEST_CASE(imbalanced_test)
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{
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std::vector<std::string> tests
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{ // for easier handling and better readability, in the following test
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// strings ' is used instead of " and \1 instead of \0
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"",
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"{",
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"{'",
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"{'}",
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"{'a'",
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"{'a':",
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"{'a':5",
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"[",
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"['",
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"[']",
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"[ 13",
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"' end",
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"{ 13: }",
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"\1",
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"{\1",
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"{\1}",
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"{'\1",
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"{'\1}",
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"{'a'\1",
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"{'a'\1}",
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"{'a': \1",
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"{'a': \1}",
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"[\1",
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"[\1]",
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"['\1",
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"['\1]",
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"[ 13\1",
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"[ 13\1]",
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"' end\1"
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};
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for( std::string test : tests )
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{
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replace_some( test );
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test_fail_string( test );
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test_fail_stream( test );
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test_fail_file( test );
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}
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}
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static bool equal( const fc::variant& a, const fc::variant& b )
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{
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auto a_type = a.get_type();
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auto b_type = b.get_type();
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if( a_type == fc::variant::type_id::int64_type && a.as<int64_t>() > 0 )
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a_type = fc::variant::type_id::uint64_type;
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if( b_type == fc::variant::type_id::int64_type && b.as<int64_t>() > 0 )
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b_type = fc::variant::type_id::uint64_type;
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if( a_type != b_type ) return false;
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switch( a_type )
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{
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case fc::variant::type_id::null_type: return true;
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case fc::variant::type_id::int64_type: return a.as<int64_t>() == b.as<int64_t>();
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case fc::variant::type_id::uint64_type: return a.as<uint64_t>() == b.as<uint64_t>();
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case fc::variant::type_id::double_type: return a.as<double>() == b.as<double>();
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case fc::variant::type_id::bool_type: return a.as<bool>() == b.as<bool>();
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case fc::variant::type_id::string_type: return a.as<std::string>() == b.as<std::string>();
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case fc::variant::type_id::array_type:
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if( a.get_array().size() != b.get_array().size() ) return false;
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else
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{
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std::vector<fc::variant>::const_iterator b_it = b.get_array().begin();
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for( const auto& a_it : a.get_array() )
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{
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if( !equal( a_it, *b_it ) ) return false;
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b_it++;
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}
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}
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return true;
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case fc::variant::type_id::object_type:
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if( a.get_object().size() != b.get_object().size() ) return false;
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for( const auto& a_it : a.get_object() )
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{
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const auto& b_obj = b.get_object().find( a_it.key() );
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if( b_obj == b.get_object().end() || !equal( a_it.value(), b_obj->value() ) ) return false;
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}
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return true;
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case fc::variant::type_id::blob_type:
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default:
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FC_THROW_EXCEPTION( fc::invalid_arg_exception, "Unsupported variant type: " + a.get_type() );
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}
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}
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static void test_recursive( const fc::variant& v )
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{ try {
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const std::string json = fc::json::to_string( v, fc::json::output_formatting::legacy_generator );
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BOOST_CHECK( fc::json::is_valid( json ) );
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BOOST_CHECK( !fc::json::is_valid( json + " " ) );
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const std::string pretty = fc::json::to_pretty_string( v, fc::json::output_formatting::legacy_generator );
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BOOST_CHECK( fc::json::is_valid( pretty ) );
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BOOST_CHECK( !fc::json::is_valid( pretty + " " ) );
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fc::temp_file file( fc::temp_directory_path(), true );
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fc::json::save_to_file( v, file.path(), false, fc::json::output_formatting::legacy_generator );
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BOOST_CHECK( equal( v, fc::json::from_string( json + " " ) ) );
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BOOST_CHECK( equal( v, fc::json::from_string( pretty + " " ) ) );
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BOOST_CHECK( equal( v, fc::json::from_file( file.path() ) ) );
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if( v.get_type() == fc::variant::type_id::array_type )
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for( const auto& item : v.get_array() )
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test_recursive( item );
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else if( v.get_type() == fc::variant::type_id::object_type )
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for( const auto& item : v.get_object() )
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test_recursive( item.value() );
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} FC_CAPTURE_LOG_AND_RETHROW( (v) ) }
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BOOST_AUTO_TEST_CASE(structured_test)
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{
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fc::variant_object v_empty_obj;
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fc::variants v_empty_array;
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fc::variant v_null;
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fc::variant v_true( true );
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fc::variant v_false( false );
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fc::variant v_empty_str( "" );
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fc::variant v_str( "false" );
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fc::variant v_int8_1( (int8_t) 1 );
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fc::variant v_int8_2( (int8_t) -2 );
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fc::variant v_uint8_1( (int8_t) 1 );
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fc::variant v_int16_1( (int16_t) 1 );
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fc::variant v_int16_2( (int16_t) -2 );
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fc::variant v_uint16_1( (int16_t) 1 );
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fc::variant v_int32_1( (int32_t) 1 );
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fc::variant v_int32_2( (int32_t) -2 );
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fc::variant v_uint32_1( (int32_t) 1 );
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fc::variant v_int64_1( (int8_t) 1 );
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fc::variant v_int64_2( (int8_t) -2 );
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fc::variant v_uint64_1( (int8_t) 1 );
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fc::variant v_float_1( 0.0f );
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fc::variant v_float_2( -2.0f );
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fc::variant v_double_1( 0.0d );
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fc::variant v_double_2( -2.0d );
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fc::variants v_small_array
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{
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v_empty_obj,
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v_empty_array,
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v_null,
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v_true,
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v_false,
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v_empty_str
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};
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fc::mutable_variant_object v_small_obj;
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v_small_obj( "", v_empty_str )
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( "1", v_empty_array )
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( "2", v_null )
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( "a", v_true )
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( "b", v_false )
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( "x", v_small_array )
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( "y", v_empty_obj );
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fc::variants v_big_array
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{
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v_empty_obj,
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v_empty_array,
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v_null,
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v_true,
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v_false,
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v_empty_str,
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v_str,
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v_int8_1,
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v_int8_2,
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v_uint8_1,
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v_int16_1,
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v_int16_2,
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v_uint16_1,
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v_int32_1,
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v_int32_2,
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v_uint32_1,
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v_int64_1,
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v_int64_2,
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v_uint64_1,
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v_float_1,
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v_float_2,
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v_double_1,
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v_double_2,
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v_small_array,
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v_small_obj
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};
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fc::mutable_variant_object v_big_obj;
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v_big_obj( "v_empty_obj", v_empty_obj )
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( "v_empty_array", v_empty_array )
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( "v_null", v_null )
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( "v_true", v_true )
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( "v_false", v_false )
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( "v_empty_str", v_empty_str )
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( "v_str", v_str )
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( "v_int8_1", v_int8_1 )
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( "v_int8_2", v_int8_2 )
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( "v_uint8_1", v_uint8_1 )
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( "v_int16_1", v_int16_1 )
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( "v_int16_2", v_int16_2 )
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( "v_uint16_1", v_uint16_1 )
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( "v_int32_1", v_int32_1 )
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( "v_int32_2", v_int32_2 )
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( "v_uint32_1", v_uint32_1 )
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( "v_int64_1", v_int64_1 )
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( "v_int64_2", v_int64_2 )
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( "v_uint64_1", v_uint64_1 )
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( "v_float_1", v_float_1 )
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( "v_float_2", v_float_2 )
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( "v_double_1", v_double_1 )
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( "v_double_2", v_double_2 )
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( "v_small_array", v_small_array )
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( "v_small_obj", v_small_obj );
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v_big_array.push_back( v_big_obj );
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test_recursive( v_big_array );
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}
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BOOST_AUTO_TEST_SUITE_END()
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