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yuzu/externals/vcpkg/buildtrees/boost-endian/src/ost-1.79.0-3e0d30247b.clean/test/endian_test.cpp

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early-access version 3088
2022-11-05 18:35:56 +04:00
// 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 <iostream>
#include <limits>
#include <climits>
#include <cstdlib> // for atoi(), exit()
#include <cstring> // for memcmp()
#if defined(_MSC_VER)
# pragma warning(disable: 4127) // conditional expression is constant
#endif
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 )
{
verify_representation<Endian>( order::native == order::big, line );
}
// 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( order::native != order::little )
{
cout << "yet boost::endian::order::native does not equal boost::endian::order::little.\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);
}
}
else if ( memcmp( v.c, "\1\2\3\4\5\6\7\x8", 8) == 0 )
{
cout << "This machine is big-endian.\n";
if( order::native != order::big )
{
cout << "yet boost::endian::order::native does not equal boost::endian::order::big.\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);
}
}
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
int main( int argc, char* argv[] )
{
try
{
return cpp_main( argc, argv );
}
catch( std::exception const & x )
{
std::cout << "Exception: " << x.what() << std::endl;
return 1;
}
}
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