123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838 |
- // endian_test.cpp ---------------------------------------------------------//
- // Copyright Beman Dawes 1999-2008
- // Distributed under the Boost Software License, Version 1.0.
- // See http://www.boost.org/LICENSE_1_0.txt
- // See library home page at http://www.boost.org/libs/endian
- //----------------------------------------------------------------------------//
- // This test probes for correct endianness, size, and value.
- // See endian_operations_test for tests of operator correctness and interaction
- // between operand types.
- //----------------------------------------------------------------------------//
- #include <boost/endian/detail/disable_warnings.hpp>
- #include <boost/endian/arithmetic.hpp>
- #include <boost/cstdint.hpp>
- #include <boost/detail/lightweight_main.hpp>
- #include <iostream>
- #include <limits>
- #include <climits>
- #include <cstdlib> // for atoi(), exit()
- #include <cstring> // for memcmp()
- using namespace std; // Not the best programming practice, but I
- using namespace boost; // want to verify this combination of using
- using namespace boost::endian; // namespaces works. See endian_operations_test
- // // for tests that don't do "using namespace".
- #define VERIFY(predicate) verify( predicate, __LINE__ )
- #define VERIFY_SIZE(actual, expected) verify_size( actual, expected, __LINE__ )
- #define VERIFY_VALUE_AND_OPS(endian_t,expected_t,expected) verify_value_and_ops<endian_t, expected_t>( expected, __LINE__ )
- #define VERIFY_BIG_REPRESENTATION(t) verify_representation<t>( true, __LINE__ )
- #define VERIFY_LITTLE_REPRESENTATION(t) verify_representation<t>( false, __LINE__ )
- #define VERIFY_NATIVE_REPRESENTATION(t) verify_native_representation<t>( __LINE__ )
- namespace
- {
- int err_count;
- void verify( bool x, int line )
- {
- if ( x ) return;
- ++err_count;
- cout << "Error: verify failed on line " << line << endl;
- }
- void verify_size( size_t actual, size_t expected, int line )
- {
- if ( actual == expected ) return;
- ++err_count;
- cout << "Error: verify size failed on line " << line << endl;
- cout << " A structure with an expected sizeof() " << expected
- << " had an actual sizeof() " << actual
- << "\n This will cause uses of endian types to fail\n";
- }
- template <class Endian, class Base>
- void verify_value_and_ops( const Base & expected, int line )
- {
- Endian v( expected );
- verify( v == expected, line );
- Endian v2;
- v2.operator=( expected );
- verify( v2 == expected, line );
- ++v; // verify integer_cover_operators being applied to this type -
- // will fail to compile if no endian<> specialization is present
- Endian v3( static_cast<Base>( 1 ) );
- Endian x(static_cast<typename Endian::value_type>(v2+v3));
- if ( x == x ) // silence warning
- return;
- }
- const char * big_rep = "\x12\x34\x56\x78\x9A\xBC\xDE\xF0";
- const char * little_rep = "\xF0\xDE\xBC\x9A\x78\x56\x34\x12";
- template <class Endian>
- void verify_representation( bool is_big, int line )
- {
- int silence = 0;
- Endian x ( static_cast<typename Endian::value_type>
- (0x123456789abcdef0LL + silence) ); // will truncate
- if ( is_big )
- verify( memcmp( &x,
- reinterpret_cast<const char*>(big_rep)+8-sizeof(Endian),
- sizeof(Endian) ) == 0, line );
- else
- verify( memcmp( &x, little_rep, sizeof(Endian) ) == 0, line );
- }
- template <class Endian>
- inline void verify_native_representation( int line )
- {
- # if BOOST_ENDIAN_BIG_BYTE
- verify_representation<Endian>( true, line );
- # else
- verify_representation<Endian>( false, line );
- # endif
- }
- // detect_order -----------------------------------------------------//
- void detect_order()
- {
- union View
- {
- long long i;
- unsigned char c[8];
- };
- View v = { 0x0102030405060708LL }; // initialize v.i
- if ( memcmp( v.c, "\x8\7\6\5\4\3\2\1", 8) == 0 )
- {
- cout << "This machine is little-endian.\n";
- # if !BOOST_ENDIAN_LITTLE_BYTE
- cout << "yet boost/predef/other/endian.h does not define BOOST_ENDIAN_LITTLE_BYTE.\n"
- "The Boost Endian library must be revised to work correctly on this system.\n"
- "Please report this problem to the Boost mailing list.\n";
- exit(1);
- # endif
- }
- else if ( memcmp( v.c, "\1\2\3\4\5\6\7\x8", 8) == 0 )
- {
- cout << "This machine is big-endian.\n";
- # if !BOOST_ENDIAN_BIG_BYTE
- cout << "yet boost/predef/other/endian.h does not define BOOST_ENDIAN_BIG_BYTE.\n"
- "The Boost Endian library must be revised to work correctly on this system.\n"
- "Please report this problem to the Boost mailing list.\n";
- exit(1);
- # endif
- }
- else
- {
- cout << "This machine is neither strict big-endian nor strict little-endian\n"
- "The Boost Endian library must be revised to work correctly on this system.\n"
- "Please report this problem to the Boost mailing list.\n";
- exit(1);
- }
- cout << "That should not matter and is presented for your information only.\n";
- } // detect_order
- // check_data ------------------------------------------------------------//
- void check_data()
- {
- big_int8_t big_8;
- big_int16_t big_16;
- big_int24_t big_24;
- big_int32_t big_32;
- big_int40_t big_40;
- big_int48_t big_48;
- big_int56_t big_56;
- big_int64_t big_64;
- big_uint8_t big_u8;
- big_uint16_t big_u16;
- big_uint24_t big_u24;
- big_uint32_t big_u32;
- big_uint40_t big_u40;
- big_uint48_t big_u48;
- big_uint56_t big_u56;
- big_uint64_t big_u64;
- little_int8_t little_8;
- little_int16_t little_16;
- little_int24_t little_24;
- little_int32_t little_32;
- little_int40_t little_40;
- little_int48_t little_48;
- little_int56_t little_56;
- little_int64_t little_64;
- little_uint8_t little_u8;
- little_uint16_t little_u16;
- little_uint24_t little_u24;
- little_uint32_t little_u32;
- little_uint40_t little_u40;
- little_uint48_t little_u48;
- little_uint56_t little_u56;
- little_uint64_t little_u64;
- native_int8_t native_8;
- native_int16_t native_16;
- native_int24_t native_24;
- native_int32_t native_32;
- native_int40_t native_40;
- native_int48_t native_48;
- native_int56_t native_56;
- native_int64_t native_64;
- native_uint8_t native_u8;
- native_uint16_t native_u16;
- native_uint24_t native_u24;
- native_uint32_t native_u32;
- native_uint40_t native_u40;
- native_uint48_t native_u48;
- native_uint56_t native_u56;
- native_uint64_t native_u64;
- big_int16_at big_align_int16;
- big_int32_at big_align_int32;
- big_int64_at big_align_int64;
- big_uint16_at big_align_uint16;
- big_uint32_at big_align_uint32;
- big_uint64_at big_align_uint64;
- little_int16_at little_align_int16;
- little_int32_at little_align_int32;
- little_int64_at little_align_int64;
- little_uint16_at little_align_uint16;
- little_uint32_at little_align_uint32;
- little_uint64_at little_align_uint64;
- VERIFY(big_8.data() == reinterpret_cast<const unsigned char *>(&big_8));
- VERIFY(big_16.data() == reinterpret_cast<const unsigned char *>(&big_16));
- VERIFY(big_24.data() == reinterpret_cast<const unsigned char *>(&big_24));
- VERIFY(big_32.data() == reinterpret_cast<const unsigned char *>(&big_32));
- VERIFY(big_40.data() == reinterpret_cast<const unsigned char *>(&big_40));
- VERIFY(big_48.data() == reinterpret_cast<const unsigned char *>(&big_48));
- VERIFY(big_56.data() == reinterpret_cast<const unsigned char *>(&big_56));
- VERIFY(big_64.data() == reinterpret_cast<const unsigned char *>(&big_64));
- VERIFY(big_u8.data() == reinterpret_cast<const unsigned char *>(&big_u8));
- VERIFY(big_u16.data() == reinterpret_cast<const unsigned char *>(&big_u16));
- VERIFY(big_u24.data() == reinterpret_cast<const unsigned char *>(&big_u24));
- VERIFY(big_u32.data() == reinterpret_cast<const unsigned char *>(&big_u32));
- VERIFY(big_u40.data() == reinterpret_cast<const unsigned char *>(&big_u40));
- VERIFY(big_u48.data() == reinterpret_cast<const unsigned char *>(&big_u48));
- VERIFY(big_u56.data() == reinterpret_cast<const unsigned char *>(&big_u56));
- VERIFY(big_u64.data() == reinterpret_cast<const unsigned char *>(&big_u64));
- VERIFY(little_8.data() == reinterpret_cast<const unsigned char *>(&little_8));
- VERIFY(little_16.data() == reinterpret_cast<const unsigned char *>(&little_16));
- VERIFY(little_24.data() == reinterpret_cast<const unsigned char *>(&little_24));
- VERIFY(little_32.data() == reinterpret_cast<const unsigned char *>(&little_32));
- VERIFY(little_40.data() == reinterpret_cast<const unsigned char *>(&little_40));
- VERIFY(little_48.data() == reinterpret_cast<const unsigned char *>(&little_48));
- VERIFY(little_56.data() == reinterpret_cast<const unsigned char *>(&little_56));
- VERIFY(little_64.data() == reinterpret_cast<const unsigned char *>(&little_64));
- VERIFY(little_u8.data() == reinterpret_cast<const unsigned char *>(&little_u8));
- VERIFY(little_u16.data() == reinterpret_cast<const unsigned char *>(&little_u16));
- VERIFY(little_u24.data() == reinterpret_cast<const unsigned char *>(&little_u24));
- VERIFY(little_u32.data() == reinterpret_cast<const unsigned char *>(&little_u32));
- VERIFY(little_u40.data() == reinterpret_cast<const unsigned char *>(&little_u40));
- VERIFY(little_u48.data() == reinterpret_cast<const unsigned char *>(&little_u48));
- VERIFY(little_u56.data() == reinterpret_cast<const unsigned char *>(&little_u56));
- VERIFY(little_u64.data() == reinterpret_cast<const unsigned char *>(&little_u64));
- VERIFY(native_8.data() == reinterpret_cast<const unsigned char *>(&native_8));
- VERIFY(native_16.data() == reinterpret_cast<const unsigned char *>(&native_16));
- VERIFY(native_24.data() == reinterpret_cast<const unsigned char *>(&native_24));
- VERIFY(native_32.data() == reinterpret_cast<const unsigned char *>(&native_32));
- VERIFY(native_40.data() == reinterpret_cast<const unsigned char *>(&native_40));
- VERIFY(native_48.data() == reinterpret_cast<const unsigned char *>(&native_48));
- VERIFY(native_56.data() == reinterpret_cast<const unsigned char *>(&native_56));
- VERIFY(native_64.data() == reinterpret_cast<const unsigned char *>(&native_64));
- VERIFY(native_u8.data() == reinterpret_cast<const unsigned char *>(&native_u8));
- VERIFY(native_u16.data() == reinterpret_cast<const unsigned char *>(&native_u16));
- VERIFY(native_u24.data() == reinterpret_cast<const unsigned char *>(&native_u24));
- VERIFY(native_u32.data() == reinterpret_cast<const unsigned char *>(&native_u32));
- VERIFY(native_u40.data() == reinterpret_cast<const unsigned char *>(&native_u40));
- VERIFY(native_u48.data() == reinterpret_cast<const unsigned char *>(&native_u48));
- VERIFY(native_u56.data() == reinterpret_cast<const unsigned char *>(&native_u56));
- VERIFY(native_u64.data() == reinterpret_cast<const unsigned char *>(&native_u64));
- VERIFY(big_align_int16.data() == reinterpret_cast<const unsigned char *>(&big_align_int16));
- VERIFY(big_align_int32.data() == reinterpret_cast<const unsigned char *>(&big_align_int32));
- VERIFY(big_align_int64.data() == reinterpret_cast<const unsigned char *>(&big_align_int64));
- VERIFY(big_align_uint16.data() == reinterpret_cast<const unsigned char *>(&big_align_uint16));
- VERIFY(big_align_uint32.data() == reinterpret_cast<const unsigned char *>(&big_align_uint32));
- VERIFY(big_align_uint64.data() == reinterpret_cast<const unsigned char *>(&big_align_uint64));
- VERIFY(little_align_int16.data() == reinterpret_cast<const unsigned char *>(&little_align_int16));
- VERIFY(little_align_int32.data() == reinterpret_cast<const unsigned char *>(&little_align_int32));
- VERIFY(little_align_int64.data() == reinterpret_cast<const unsigned char *>(&little_align_int64));
- VERIFY(little_align_uint16.data() == reinterpret_cast<const unsigned char *>(&little_align_uint16));
- VERIFY(little_align_uint32.data() == reinterpret_cast<const unsigned char *>(&little_align_uint32));
- VERIFY(little_align_uint64.data() == reinterpret_cast<const unsigned char *>(&little_align_uint64));
- }
- // check_size ------------------------------------------------------------//
- void check_size()
- {
- VERIFY( numeric_limits<signed char>::digits == 7 );
- VERIFY( numeric_limits<unsigned char>::digits == 8 );
- VERIFY_SIZE( sizeof( big_int8_t ), 1 );
- VERIFY_SIZE( sizeof( big_int16_t ), 2 );
- VERIFY_SIZE( sizeof( big_int24_t ), 3 );
- VERIFY_SIZE( sizeof( big_int32_t ), 4 );
- VERIFY_SIZE( sizeof( big_int40_t ), 5 );
- VERIFY_SIZE( sizeof( big_int48_t ), 6 );
- VERIFY_SIZE( sizeof( big_int56_t ), 7 );
- VERIFY_SIZE( sizeof( big_int64_t ), 8 );
- VERIFY_SIZE( sizeof( big_uint8_t ), 1 );
- VERIFY_SIZE( sizeof( big_uint16_t ), 2 );
- VERIFY_SIZE( sizeof( big_uint24_t ), 3 );
- VERIFY_SIZE( sizeof( big_uint32_t ), 4 );
- VERIFY_SIZE( sizeof( big_uint40_t ), 5 );
- VERIFY_SIZE( sizeof( big_uint48_t ), 6 );
- VERIFY_SIZE( sizeof( big_uint56_t ), 7 );
- VERIFY_SIZE( sizeof( big_uint64_t ), 8 );
- VERIFY_SIZE( sizeof( little_int8_t ), 1 );
- VERIFY_SIZE( sizeof( little_int16_t ), 2 );
- VERIFY_SIZE( sizeof( little_int24_t ), 3 );
- VERIFY_SIZE( sizeof( little_int32_t ), 4 );
- VERIFY_SIZE( sizeof( little_int40_t ), 5 );
- VERIFY_SIZE( sizeof( little_int48_t ), 6 );
- VERIFY_SIZE( sizeof( little_int56_t ), 7 );
- VERIFY_SIZE( sizeof( little_int64_t ), 8 );
- VERIFY_SIZE( sizeof( little_uint8_t ), 1 );
- VERIFY_SIZE( sizeof( little_uint16_t ), 2 );
- VERIFY_SIZE( sizeof( little_uint24_t ), 3 );
- VERIFY_SIZE( sizeof( little_uint32_t ), 4 );
- VERIFY_SIZE( sizeof( little_uint40_t ), 5 );
- VERIFY_SIZE( sizeof( little_uint48_t ), 6 );
- VERIFY_SIZE( sizeof( little_uint56_t ), 7 );
- VERIFY_SIZE( sizeof( little_uint64_t ), 8 );
- VERIFY_SIZE( sizeof( native_int8_t ), 1 );
- VERIFY_SIZE( sizeof( native_int16_t ), 2 );
- VERIFY_SIZE( sizeof( native_int24_t ), 3 );
- VERIFY_SIZE( sizeof( native_int32_t ), 4 );
- VERIFY_SIZE( sizeof( native_int40_t ), 5 );
- VERIFY_SIZE( sizeof( native_int48_t ), 6 );
- VERIFY_SIZE( sizeof( native_int56_t ), 7 );
- VERIFY_SIZE( sizeof( native_int64_t ), 8 );
- VERIFY_SIZE( sizeof( native_uint8_t ), 1 );
- VERIFY_SIZE( sizeof( native_uint16_t ), 2 );
- VERIFY_SIZE( sizeof( native_uint24_t ), 3 );
- VERIFY_SIZE( sizeof( native_uint32_t ), 4 );
- VERIFY_SIZE( sizeof( native_uint40_t ), 5 );
- VERIFY_SIZE( sizeof( native_uint48_t ), 6 );
- VERIFY_SIZE( sizeof( native_uint56_t ), 7 );
- VERIFY_SIZE( sizeof( native_uint64_t ), 8 );
- VERIFY_SIZE(sizeof(big_int8_at), 1);
- VERIFY_SIZE(sizeof(big_int16_at), 2);
- VERIFY_SIZE( sizeof( big_int32_at ), 4 );
- VERIFY_SIZE( sizeof( big_int64_at ), 8 );
- VERIFY_SIZE(sizeof(big_uint8_at), 1);
- VERIFY_SIZE(sizeof(big_uint16_at), 2);
- VERIFY_SIZE( sizeof( big_uint32_at ), 4 );
- VERIFY_SIZE( sizeof( big_uint64_at ), 8 );
- VERIFY_SIZE(sizeof(little_int8_at), 1);
- VERIFY_SIZE(sizeof(little_int16_at), 2);
- VERIFY_SIZE( sizeof( little_int32_at ), 4 );
- VERIFY_SIZE( sizeof( little_int64_at ), 8 );
- VERIFY_SIZE(sizeof(little_uint8_at), 1);
- VERIFY_SIZE(sizeof(little_uint16_at), 2);
- VERIFY_SIZE( sizeof( little_uint32_at ), 4 );
- VERIFY_SIZE( sizeof( little_uint64_at ), 8 );
- } // check_size
- // check_alignment -------------------------------------------------------//
- void check_alignment()
- {
- // structs with offsets % 2 == 1 for type of size > 1 to ensure no alignment
- // bytes added for any size > 1
- struct big_struct
- {
- big_int8_t v0;
- big_int16_t v1;
- big_int24_t v3;
- char v6;
- big_int32_t v7;
- big_int40_t v11;
- char v16;
- big_int48_t v17;
- big_int56_t v23;
- char v30;
- big_int64_t v31;
- };
- struct big_u_struct
- {
- big_uint8_t v0;
- big_uint16_t v1;
- big_uint24_t v3;
- char v6;
- big_uint32_t v7;
- big_uint40_t v11;
- char v16;
- big_uint48_t v17;
- big_uint56_t v23;
- char v30;
- big_uint64_t v31;
- };
- struct little_struct
- {
- little_int8_t v0;
- little_int16_t v1;
- little_int24_t v3;
- char v6;
- little_int32_t v7;
- little_int40_t v11;
- char v16;
- little_int48_t v17;
- little_int56_t v23;
- char v30;
- little_int64_t v31;
- };
- struct little_u_struct
- {
- little_uint8_t v0;
- little_uint16_t v1;
- little_uint24_t v3;
- char v6;
- little_uint32_t v7;
- little_uint40_t v11;
- char v16;
- little_uint48_t v17;
- little_uint56_t v23;
- char v30;
- little_uint64_t v31;
- };
- struct native_struct
- {
- native_int8_t v0;
- native_int16_t v1;
- native_int24_t v3;
- char v6;
- native_int32_t v7;
- native_int40_t v11;
- char v16;
- native_int48_t v17;
- native_int56_t v23;
- char v30;
- native_int64_t v31;
- };
- struct native_u_struct
- {
- native_uint8_t v0;
- native_uint16_t v1;
- native_uint24_t v3;
- char v6;
- native_uint32_t v7;
- native_uint40_t v11;
- char v16;
- native_uint48_t v17;
- native_uint56_t v23;
- char v30;
- native_uint64_t v31;
- };
- // aligned test cases
- struct big_aligned_struct
- {
- big_int16_at v0;
- big_int32_at v1;
- char v3;
- // on a 32-bit system, the padding here may be 3 rather than 7 bytes
- big_int64_at v4;
- };
- struct little_aligned_struct
- {
- little_int16_at v0;
- little_int32_at v1;
- char v3;
- // on a 32-bit system, the padding here may be 3 rather than 7 bytes
- little_int64_at v4;
- };
- int saved_err_count = err_count;
- VERIFY_SIZE( sizeof(big_struct), 39 );
- VERIFY_SIZE( sizeof(big_u_struct), 39 );
- VERIFY_SIZE( sizeof(little_struct), 39 );
- VERIFY_SIZE( sizeof(little_u_struct), 39 );
- VERIFY_SIZE( sizeof(native_struct), 39 );
- VERIFY_SIZE( sizeof(native_u_struct), 39 );
- VERIFY( sizeof(big_aligned_struct) <= 24 );
- VERIFY( sizeof(little_aligned_struct) <= 24 );
- if ( saved_err_count == err_count )
- {
- cout <<
- "Size and alignment for structures of endian types are as expected.\n";
- }
- } // check_alignment
- // check_representation_and_range_and_ops --------------------------------//
- void check_representation_and_range_and_ops()
- {
- // unaligned integer types
- VERIFY_BIG_REPRESENTATION( big_int8_t );
- VERIFY_VALUE_AND_OPS( big_int8_t, int_least8_t, 0x7e );
- VERIFY_VALUE_AND_OPS( big_int8_t, int_least8_t, -0x80 );
- VERIFY_BIG_REPRESENTATION( big_int16_t );
- VERIFY_VALUE_AND_OPS( big_int16_t, int_least16_t, 0x7ffe );
- VERIFY_VALUE_AND_OPS( big_int16_t, int_least16_t, -0x8000 );
- VERIFY_BIG_REPRESENTATION( big_int24_t );
- VERIFY_VALUE_AND_OPS( big_int24_t, int_least32_t, 0x7ffffe );
- VERIFY_VALUE_AND_OPS( big_int24_t, int_least32_t, -0x800000 );
- VERIFY_BIG_REPRESENTATION( big_int32_t );
- VERIFY_VALUE_AND_OPS( big_int32_t, int_least32_t, 0x7ffffffe );
- VERIFY_VALUE_AND_OPS( big_int32_t, int_least32_t, -0x7fffffff-1 );
- VERIFY_BIG_REPRESENTATION( big_int40_t );
- VERIFY_VALUE_AND_OPS( big_int40_t, int_least64_t, 0x7ffffffffeLL );
- VERIFY_VALUE_AND_OPS( big_int40_t, int_least64_t, -0x8000000000LL );
- VERIFY_BIG_REPRESENTATION( big_int48_t );
- VERIFY_VALUE_AND_OPS( big_int48_t, int_least64_t, 0x7ffffffffffeLL );
- VERIFY_VALUE_AND_OPS( big_int48_t, int_least64_t, -0x800000000000LL );
- VERIFY_BIG_REPRESENTATION( big_int56_t );
- VERIFY_VALUE_AND_OPS( big_int56_t, int_least64_t, 0x7ffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( big_int56_t, int_least64_t, -0x80000000000000LL );
- VERIFY_BIG_REPRESENTATION( big_int64_t );
- VERIFY_VALUE_AND_OPS( big_int64_t, int_least64_t, 0x7ffffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( big_int64_t, int_least64_t, -0x7fffffffffffffffLL-1 );
- VERIFY_BIG_REPRESENTATION( big_uint8_t );
- VERIFY_VALUE_AND_OPS( big_uint8_t, uint_least8_t, 0xff );
- VERIFY_BIG_REPRESENTATION( big_uint16_t );
- VERIFY_VALUE_AND_OPS( big_uint16_t, uint_least16_t, 0xffff );
- VERIFY_BIG_REPRESENTATION( big_uint24_t );
- VERIFY_VALUE_AND_OPS( big_uint24_t, uint_least32_t, 0xffffff );
- VERIFY_BIG_REPRESENTATION( big_uint32_t );
- VERIFY_VALUE_AND_OPS( big_uint32_t, uint_least32_t, 0xffffffff );
- VERIFY_BIG_REPRESENTATION( big_uint40_t );
- VERIFY_VALUE_AND_OPS( big_uint40_t, uint_least64_t, 0xffffffffffLL );
- VERIFY_BIG_REPRESENTATION( big_uint48_t );
- VERIFY_VALUE_AND_OPS( big_uint48_t, uint_least64_t, 0xffffffffffffLL );
- VERIFY_BIG_REPRESENTATION( big_uint56_t );
- VERIFY_VALUE_AND_OPS( big_uint56_t, uint_least64_t, 0xffffffffffffffLL );
- VERIFY_BIG_REPRESENTATION( big_uint64_t );
- VERIFY_VALUE_AND_OPS( big_uint64_t, uint_least64_t, 0xffffffffffffffffULL );
- VERIFY_LITTLE_REPRESENTATION( little_int8_t );
- VERIFY_VALUE_AND_OPS( little_int8_t, int_least8_t, 0x7e );
- VERIFY_VALUE_AND_OPS( little_int8_t, int_least8_t, -0x80 );
- VERIFY_LITTLE_REPRESENTATION( little_int16_t );
- VERIFY_VALUE_AND_OPS( little_int16_t, int_least16_t, 0x7ffe );
- VERIFY_VALUE_AND_OPS( little_int16_t, int_least16_t, -0x8000 );
- VERIFY_LITTLE_REPRESENTATION( little_int24_t );
- VERIFY_VALUE_AND_OPS( little_int24_t, int_least32_t, 0x7ffffe );
- VERIFY_VALUE_AND_OPS( little_int24_t, int_least32_t, -0x800000 );
- VERIFY_LITTLE_REPRESENTATION( little_int32_t );
- VERIFY_VALUE_AND_OPS( little_int32_t, int_least32_t, 0x7ffffffe );
- VERIFY_VALUE_AND_OPS( little_int32_t, int_least32_t, -0x7fffffff-1 );
- VERIFY_LITTLE_REPRESENTATION( little_int40_t );
- VERIFY_VALUE_AND_OPS( little_int40_t, int_least64_t, 0x7ffffffffeLL );
- VERIFY_VALUE_AND_OPS( little_int40_t, int_least64_t, -0x8000000000LL );
- VERIFY_LITTLE_REPRESENTATION( little_int48_t );
- VERIFY_VALUE_AND_OPS( little_int48_t, int_least64_t, 0x7ffffffffffeLL );
- VERIFY_VALUE_AND_OPS( little_int48_t, int_least64_t, -0x800000000000LL );
- VERIFY_LITTLE_REPRESENTATION( little_int56_t );
- VERIFY_VALUE_AND_OPS( little_int56_t, int_least64_t, 0x7ffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( little_int56_t, int_least64_t, -0x80000000000000LL );
- VERIFY_LITTLE_REPRESENTATION( little_int64_t );
- VERIFY_VALUE_AND_OPS( little_int64_t, int_least64_t, 0x7ffffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( little_int64_t, int_least64_t, -0x7fffffffffffffffLL-1 );
- VERIFY_LITTLE_REPRESENTATION( little_uint8_t );
- VERIFY_VALUE_AND_OPS( little_uint8_t, uint_least8_t, 0xff );
- VERIFY_LITTLE_REPRESENTATION( little_uint16_t );
- VERIFY_VALUE_AND_OPS( little_uint16_t, uint_least16_t, 0xffff );
- VERIFY_LITTLE_REPRESENTATION( little_uint24_t );
- VERIFY_VALUE_AND_OPS( little_uint24_t, uint_least32_t, 0xffffff );
- VERIFY_LITTLE_REPRESENTATION( little_uint32_t );
- VERIFY_VALUE_AND_OPS( little_uint32_t, uint_least32_t, 0xffffffff );
- VERIFY_LITTLE_REPRESENTATION( little_uint40_t );
- VERIFY_VALUE_AND_OPS( little_uint40_t, uint_least64_t, 0xffffffffffLL );
- VERIFY_LITTLE_REPRESENTATION( little_uint48_t );
- VERIFY_VALUE_AND_OPS( little_uint48_t, uint_least64_t, 0xffffffffffffLL );
- VERIFY_LITTLE_REPRESENTATION( little_uint56_t );
- VERIFY_VALUE_AND_OPS( little_uint56_t, uint_least64_t, 0xffffffffffffffLL );
- VERIFY_LITTLE_REPRESENTATION( little_uint64_t );
- VERIFY_VALUE_AND_OPS( little_uint64_t, uint_least64_t, 0xffffffffffffffffULL );
- VERIFY_NATIVE_REPRESENTATION( native_int8_t );
- VERIFY_VALUE_AND_OPS( native_int8_t, int_least8_t, 0x7e );
- VERIFY_VALUE_AND_OPS( native_int8_t, int_least8_t, -0x80 );
- VERIFY_NATIVE_REPRESENTATION( native_int16_t );
- VERIFY_VALUE_AND_OPS( native_int16_t, int_least16_t, 0x7ffe );
- VERIFY_VALUE_AND_OPS( native_int16_t, int_least16_t, -0x8000 );
- VERIFY_NATIVE_REPRESENTATION( native_int24_t );
- VERIFY_VALUE_AND_OPS( native_int24_t, int_least32_t, 0x7ffffe );
- VERIFY_VALUE_AND_OPS( native_int24_t, int_least32_t, -0x800000 );
- VERIFY_NATIVE_REPRESENTATION( native_int32_t );
- VERIFY_VALUE_AND_OPS( native_int32_t, int_least32_t, 0x7ffffffe );
- VERIFY_VALUE_AND_OPS( native_int32_t, int_least32_t, -0x7fffffff-1 );
- VERIFY_NATIVE_REPRESENTATION( native_int40_t );
- VERIFY_VALUE_AND_OPS( native_int40_t, int_least64_t, 0x7ffffffffeLL );
- VERIFY_VALUE_AND_OPS( native_int40_t, int_least64_t, -0x8000000000LL );
- VERIFY_NATIVE_REPRESENTATION( native_int48_t );
- VERIFY_VALUE_AND_OPS( native_int48_t, int_least64_t, 0x7ffffffffffeLL );
- VERIFY_VALUE_AND_OPS( native_int48_t, int_least64_t, -0x800000000000LL );
- VERIFY_NATIVE_REPRESENTATION( native_int56_t );
- VERIFY_VALUE_AND_OPS( native_int56_t, int_least64_t, 0x7ffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( native_int56_t, int_least64_t, -0x80000000000000LL );
- VERIFY_NATIVE_REPRESENTATION( native_int64_t );
- VERIFY_VALUE_AND_OPS( native_int64_t, int_least64_t, 0x7ffffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( native_int64_t, int_least64_t, -0x7fffffffffffffffLL-1 );
- VERIFY_NATIVE_REPRESENTATION( native_uint8_t );
- VERIFY_VALUE_AND_OPS( native_uint8_t, uint_least8_t, 0xff );
- VERIFY_NATIVE_REPRESENTATION( native_uint16_t );
- VERIFY_VALUE_AND_OPS( native_uint16_t, uint_least16_t, 0xffff );
- VERIFY_NATIVE_REPRESENTATION( native_uint24_t );
- VERIFY_VALUE_AND_OPS( native_uint24_t, uint_least32_t, 0xffffff );
- VERIFY_NATIVE_REPRESENTATION( native_uint32_t );
- VERIFY_VALUE_AND_OPS( native_uint32_t, uint_least32_t, 0xffffffff );
- VERIFY_NATIVE_REPRESENTATION( native_uint40_t );
- VERIFY_VALUE_AND_OPS( native_uint40_t, uint_least64_t, 0xffffffffffLL );
- VERIFY_NATIVE_REPRESENTATION( native_uint48_t );
- VERIFY_VALUE_AND_OPS( native_uint48_t, uint_least64_t, 0xffffffffffffLL );
- VERIFY_NATIVE_REPRESENTATION( native_uint56_t );
- VERIFY_VALUE_AND_OPS( native_uint56_t, uint_least64_t, 0xffffffffffffffLL );
- VERIFY_NATIVE_REPRESENTATION( native_uint64_t );
- VERIFY_VALUE_AND_OPS( native_uint64_t, uint_least64_t, 0xffffffffffffffffULL );
- // aligned integer types
- VERIFY_BIG_REPRESENTATION( big_int16_at );
- VERIFY_VALUE_AND_OPS( big_int16_at, int_least16_t, 0x7ffe );
- VERIFY_VALUE_AND_OPS( big_int16_at, int_least16_t, -0x8000 );
- VERIFY_BIG_REPRESENTATION( big_int32_at );
- VERIFY_VALUE_AND_OPS( big_int32_at, int_least32_t, 0x7ffffffe );
- VERIFY_VALUE_AND_OPS( big_int32_at, int_least32_t, -0x7fffffff-1 );
- VERIFY_BIG_REPRESENTATION( big_int64_at );
- VERIFY_VALUE_AND_OPS( big_int64_at, int_least64_t, 0x7ffffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( big_int64_at, int_least64_t, -0x7fffffffffffffffLL-1 );
- VERIFY_BIG_REPRESENTATION( big_uint16_at );
- VERIFY_VALUE_AND_OPS( big_uint16_at, uint_least16_t, 0xffff );
- VERIFY_BIG_REPRESENTATION( big_uint32_at );
- VERIFY_VALUE_AND_OPS( big_uint32_at, uint_least32_t, 0xffffffff );
- VERIFY_BIG_REPRESENTATION( big_uint64_at );
- VERIFY_VALUE_AND_OPS( big_uint64_at, uint_least64_t, 0xffffffffffffffffULL );
- VERIFY_LITTLE_REPRESENTATION( little_int16_at );
- VERIFY_VALUE_AND_OPS( little_int16_at, int_least16_t, 0x7ffe );
- VERIFY_VALUE_AND_OPS( little_int16_at, int_least16_t, -0x8000 );
- VERIFY_LITTLE_REPRESENTATION( little_int32_at );
- VERIFY_VALUE_AND_OPS( little_int32_at, int_least32_t, 0x7ffffffe );
- VERIFY_VALUE_AND_OPS( little_int32_at, int_least32_t, -0x7fffffff-1 );
- VERIFY_LITTLE_REPRESENTATION( little_int64_at );
- VERIFY_VALUE_AND_OPS( little_int64_at, int_least64_t, 0x7ffffffffffffffeLL );
- VERIFY_VALUE_AND_OPS( little_int64_at, int_least64_t, -0x7fffffffffffffffLL-1 );
- VERIFY_LITTLE_REPRESENTATION( little_uint16_at );
- VERIFY_VALUE_AND_OPS( little_uint16_at, uint_least16_t, 0xffff );
- VERIFY_LITTLE_REPRESENTATION( little_uint32_at );
- VERIFY_VALUE_AND_OPS( little_uint32_at, uint_least32_t, 0xffffffff );
- VERIFY_LITTLE_REPRESENTATION( little_uint64_at );
- VERIFY_VALUE_AND_OPS( little_uint64_at, uint_least64_t, 0xffffffffffffffffULL );
- } // check_representation_and_range
- /*
- class MyInt
- {
- int32_t mx;
- public:
- MyInt(int32_t x = 0) : mx(x) {}
- operator int32_t() const {return mx;}
- //friend int32_t operator+(const MyInt& x) {return x;}
- };
- void check_udt()
- {
- typedef boost::endian::endian_arithmetic< order::big, MyInt, 32 > mybig_int32_ut;
- mybig_int32_ut v(10);
- cout << "+v is " << +v << endl;
- v += 1;
- cout << "v is " << +v << endl;
- v -= 2;
- cout << "v is " << +v << endl;
- v *= 2;
- cout << "v is " << +v << endl;
- ++v;
- cout << "v is " << +v << endl;
- --v;
- cout << "v is " << +v << endl;
- // cout << "v+v is " << +(v+v) << endl;
- }
- void check_udt_le()
- {
- typedef boost::endian::endian_arithmetic< order::little, MyInt, 32 > mylittle_int32_ut;
- mylittle_int32_ut v(10);
- cout << "+v is " << +v << endl;
- v += 1;
- cout << "v is " << +v << endl;
- v -= 2;
- cout << "v is " << +v << endl;
- v *= 2;
- cout << "v is " << +v << endl;
- ++v;
- cout << "v is " << +v << endl;
- --v;
- cout << "v is " << +v << endl;
- // cout << "v+v is " << +(v+v) << endl;
- }
- */
- long iterations = 10000;
- template< class Endian >
- Endian timing_test( const char * s)
- {
- cout << s << " timing test, " << iterations << " iterations: ";
- // progress_timer t;
- Endian v = 1;
- for ( long i = 0; i < iterations; ++i )
- {
- v += 1;
- v *= 3;
- ++v;
- v *= i;
- if ( i == 0 ) VERIFY_VALUE_AND_OPS( Endian, typename Endian::value_type, 21 );
- }
- return v;
- }
- } // unnamed namespace
- // main ------------------------------------------------------------------------------//
- int cpp_main( int argc, char * argv[] )
- {
- cout << "Usage: "
- << argv[0] << " [#],\n where # specifies iteration count\n"
- " default iteration count is " << iterations << endl;
- if ( argc > 1 )
- iterations = atol( argv[1] );
- if ( iterations < 1 ) iterations = 1;
- detect_order();
- check_size();
- check_alignment();
- check_representation_and_range_and_ops();
- check_data();
- //check_udt();
- //check_udt_le();
- //timing_test<big_int32_t> ( "big_int32_t" );
- //timing_test<big_int32_at>( "big_int32_at" );
- //timing_test<little_int32_t> ( "little_int32_t" );
- //timing_test<little_int32_at>( "little_int32_at" );
- cout << "\n" << err_count << " errors detected\nTest "
- << (err_count==0 ? "passed\n\n" : "failed\n\n");
- return err_count ? 1 : 0;
- } // main
|