diff options
Diffstat (limited to 'src/boost/libs/endian/test/buffer_test.cpp')
| -rw-r--r-- | src/boost/libs/endian/test/buffer_test.cpp | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/src/boost/libs/endian/test/buffer_test.cpp b/src/boost/libs/endian/test/buffer_test.cpp new file mode 100644 index 00000000..0fcbe5b7 --- /dev/null +++ b/src/boost/libs/endian/test/buffer_test.cpp @@ -0,0 +1,325 @@ +// buffer_test.cpp -------------------------------------------------------------------// + +// Copyright Beman Dawes 2014 + +// 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 + +//--------------------------------------------------------------------------------------// + +#include <boost/endian/detail/disable_warnings.hpp> + +#include <boost/endian/buffers.hpp> +#include <boost/detail/lightweight_main.hpp> +#include <boost/core/lightweight_test.hpp> +#include <boost/cstdint.hpp> +#include <iostream> +#include <sstream> +#include <limits> + +using namespace boost::endian; +using std::cout; +using std::endl; + +namespace +{ + + // check_size ------------------------------------------------------------// + + void check_size() + { + + BOOST_TEST_EQ(sizeof(big_int8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(big_int16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(big_int24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(big_int32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(big_int40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(big_int48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(big_int56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(big_int64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(big_uint8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(big_uint16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(big_uint24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(big_uint32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(big_uint40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(big_uint48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(big_uint56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(big_uint64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(big_float32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(big_float64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(little_int8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(little_int16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(little_int24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(little_int32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(little_int40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(little_int48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(little_int56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(little_int64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(little_uint8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(little_uint16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(little_uint24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(little_uint32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(little_uint40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(little_uint48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(little_uint56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(little_uint64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(little_float32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(little_float64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(native_int8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(native_int16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(native_int24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(native_int32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(native_int40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(native_int48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(native_int56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(native_int64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(native_uint8_buf_t), 1u); + BOOST_TEST_EQ(sizeof(native_uint16_buf_t), 2u); + BOOST_TEST_EQ(sizeof(native_uint24_buf_t), 3u); + BOOST_TEST_EQ(sizeof(native_uint32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(native_uint40_buf_t), 5u); + BOOST_TEST_EQ(sizeof(native_uint48_buf_t), 6u); + BOOST_TEST_EQ(sizeof(native_uint56_buf_t), 7u); + BOOST_TEST_EQ(sizeof(native_uint64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(native_float32_buf_t), 4u); + BOOST_TEST_EQ(sizeof(native_float64_buf_t), 8u); + + BOOST_TEST_EQ(sizeof(big_int8_buf_at), 1u); + BOOST_TEST_EQ(sizeof(big_int16_buf_at), 2u); + BOOST_TEST_EQ(sizeof(big_int32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(big_int64_buf_at), 8u); + + BOOST_TEST_EQ(sizeof(big_uint8_buf_at), 1u); + BOOST_TEST_EQ(sizeof(big_uint16_buf_at), 2u); + BOOST_TEST_EQ(sizeof(big_uint32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(big_uint64_buf_at), 8u); + + BOOST_TEST_EQ(sizeof(big_float32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(big_float64_buf_at), 8u); + + BOOST_TEST_EQ(sizeof(little_int8_buf_at), 1u); + BOOST_TEST_EQ(sizeof(little_int16_buf_at), 2u); + BOOST_TEST_EQ(sizeof(little_int32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(little_int64_buf_at), 8u); + + BOOST_TEST_EQ(sizeof(little_uint8_buf_at), 1u); + BOOST_TEST_EQ(sizeof(little_uint16_buf_at), 2u); + BOOST_TEST_EQ(sizeof(little_uint32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(little_uint64_buf_at), 8u); + + BOOST_TEST_EQ(sizeof(little_float32_buf_at), 4u); + BOOST_TEST_EQ(sizeof(little_float64_buf_at), 8u); + + } // check_size + + // test_inserter_and_extractor -----------------------------------------------------// + + void test_inserter_and_extractor() + { + std::cout << "test inserter and extractor..." << std::endl; + + big_uint64_buf_t bu64(0x010203040506070ULL); + little_uint64_buf_t lu64(0x010203040506070ULL); + + boost::uint64_t x; + + std::stringstream ss; + + ss << bu64; + ss >> x; + BOOST_TEST_EQ(x, 0x010203040506070ULL); + + ss.clear(); + ss << lu64; + ss >> x; + BOOST_TEST_EQ(x, 0x010203040506070ULL); + + ss.clear(); + ss << 0x010203040506070ULL; + big_uint64_buf_t bu64z(0); + ss >> bu64z; + BOOST_TEST_EQ(bu64z.value(), bu64.value()); + + ss.clear(); + ss << 0x010203040506070ULL; + little_uint64_buf_t lu64z(0); + ss >> lu64z; + BOOST_TEST_EQ(lu64z.value(), lu64.value()); + + std::cout << "test inserter and extractor complete" << std::endl; + + } + + template<class T> struct unaligned + { + char x; + T y; + }; + + template<class T> void test_buffer_type( typename T::value_type v1, typename T::value_type v2 ) + { + T buffer( v1 ); + BOOST_TEST_EQ( buffer.value(), v1 ); + + buffer = v2; + BOOST_TEST_EQ( buffer.value(), v2 ); + + unaligned<T> buffer2 = { 0, T( v1 ) }; + BOOST_TEST_EQ( buffer2.y.value(), v1 ); + + buffer2.y = v2; + BOOST_TEST_EQ( buffer2.y.value(), v2 ); + } + + void test_construction_and_assignment() + { + std::cout << "test construction and assignment..." << std::endl; + + test_buffer_type< big_int8_buf_at>( 0x01, -0x01 ); + test_buffer_type<big_int16_buf_at>( 0x0102, -0x0102 ); + test_buffer_type<big_int32_buf_at>( 0x01020304, -0x01020304 ); + test_buffer_type<big_int64_buf_at>( 0x0102030405060708LL, -0x0102030405060708LL ); + + test_buffer_type< big_uint8_buf_at>( 0x01, 0xFE ); + test_buffer_type<big_uint16_buf_at>( 0x0102, 0xFE02 ); + test_buffer_type<big_uint32_buf_at>( 0x01020304, 0xFE020304 ); + test_buffer_type<big_uint64_buf_at>( 0x0102030405060708ULL, 0xFE02030405060708ULL ); + + test_buffer_type<big_float32_buf_at>( +1.5f, -3.14f ); + test_buffer_type<big_float64_buf_at>( +1.5, -3.14 ); + + test_buffer_type< little_int8_buf_at>( 0x01, -0x01 ); + test_buffer_type<little_int16_buf_at>( 0x0102, -0x0102 ); + test_buffer_type<little_int32_buf_at>( 0x01020304, -0x01020304 ); + test_buffer_type<little_int64_buf_at>( 0x0102030405060708LL, -0x0102030405060708LL ); + + test_buffer_type< little_uint8_buf_at>( 0x01, 0xFE ); + test_buffer_type<little_uint16_buf_at>( 0x0102, 0xFE02 ); + test_buffer_type<little_uint32_buf_at>( 0x01020304, 0xFE020304 ); + test_buffer_type<little_uint64_buf_at>( 0x0102030405060708ULL, 0xFE02030405060708ULL ); + + test_buffer_type<little_float32_buf_at>( +1.5f, -3.14f ); + test_buffer_type<little_float64_buf_at>( +1.5, -3.14 ); + + test_buffer_type< big_int8_buf_t>( 0x01, -0x01 ); + test_buffer_type<big_int16_buf_t>( 0x0102, -0x0102 ); + test_buffer_type<big_int24_buf_t>( 0x010203, -0x010203 ); + test_buffer_type<big_int32_buf_t>( 0x01020304, -0x01020304 ); + test_buffer_type<big_int40_buf_t>( 0x0102030405LL, -0x0102030405LL ); + test_buffer_type<big_int48_buf_t>( 0x010203040506LL, -0x010203040506LL ); + test_buffer_type<big_int56_buf_t>( 0x01020304050607LL, -0x01020304050607LL ); + test_buffer_type<big_int64_buf_t>( 0x0102030405060708LL, -0x0102030405060708LL ); + + test_buffer_type<big_float32_buf_t>( +1.5f, -3.14f ); + test_buffer_type<big_float64_buf_t>( +1.5, -3.14 ); + + test_buffer_type< little_uint8_buf_t>( 0x01, 0xFE ); + test_buffer_type<little_uint16_buf_t>( 0x0102, 0xFE02 ); + test_buffer_type<little_uint24_buf_t>( 0x010203, 0xFE0203 ); + test_buffer_type<little_uint32_buf_t>( 0x01020304, 0xFE020304 ); + test_buffer_type<little_uint40_buf_t>( 0x0102030405ULL, 0xFE02030405ULL ); + test_buffer_type<little_uint48_buf_t>( 0x010203040506ULL, 0xFE0203040506ULL ); + test_buffer_type<little_uint56_buf_t>( 0x01020304050607ULL, 0xFE020304050607ULL ); + test_buffer_type<little_uint64_buf_t>( 0x0102030405060708ULL, 0xFE02030405060708ULL ); + + test_buffer_type<little_float32_buf_t>( +1.5f, -3.14f ); + test_buffer_type<little_float64_buf_t>( +1.5, -3.14 ); + + std::cout << "test construction and assignment complete" << std::endl; + } + + template <typename T> + void test_boundary_values_() + { + test_buffer_type< endian_buffer<order::big, T, sizeof(T) * CHAR_BIT, align::no > >( std::numeric_limits<T>::min(), std::numeric_limits<T>::max() ); + test_buffer_type< endian_buffer<order::little, T, sizeof(T) * CHAR_BIT, align::no > >( std::numeric_limits<T>::min(), std::numeric_limits<T>::max() ); + test_buffer_type< endian_buffer<order::big, T, sizeof(T) * CHAR_BIT, align::yes> >( std::numeric_limits<T>::min(), std::numeric_limits<T>::max() ); + test_buffer_type< endian_buffer<order::little, T, sizeof(T) * CHAR_BIT, align::yes> >( std::numeric_limits<T>::min(), std::numeric_limits<T>::max() ); + } + + void test_boundary_values() + { + std::cout << "test boundary values..." << std::endl; + + // integer types + + test_boundary_values_<signed char>(); + test_boundary_values_<unsigned char>(); + test_boundary_values_<signed short>(); + test_boundary_values_<unsigned short>(); + test_boundary_values_<signed int>(); + test_boundary_values_<unsigned int>(); + test_boundary_values_<signed long>(); + test_boundary_values_<unsigned long>(); + test_boundary_values_<signed long long>(); + test_boundary_values_<unsigned long long>(); + + // character types + + test_boundary_values_<char>(); + +#if !defined(BOOST_NO_CXX11_CHAR16_T) + test_boundary_values_<char16_t>(); +#endif + +#if !defined(BOOST_NO_CXX11_CHAR32_T) + test_boundary_values_<char32_t>(); +#endif + + // floating-point types + + test_boundary_values_<float>(); + test_boundary_values_<double>(); + + std::cout << "test boundary values complete" << std::endl; + } + +} // unnamed namespace + +//--------------------------------------------------------------------------------------// + +int cpp_main(int, char *[]) +{ + cout << "byte swap intrinsics: " BOOST_ENDIAN_INTRINSIC_MSG << endl; + + cout << " construct big endian aligned" << endl; + big_int32_buf_at x(1122334455); + + cout << " assign to buffer from built-in integer" << endl; + x = 1234567890; + + cout << " operator==(buffer.value(), built-in)" << endl; + bool b1(x.value() == 1234567890); + BOOST_TEST(b1); + + cout << " construct little endian unaligned" << endl; + little_int32_buf_t x2(1122334455); + + cout << " assign to buffer from built-in integer" << endl; + x2 = 1234567890; + + cout << " operator==(buffer.value(), built-in)" << endl; + bool b2(x2.value() == 1234567890); + BOOST_TEST(b2); + + check_size(); + test_inserter_and_extractor(); + test_construction_and_assignment(); + test_boundary_values(); + + cout << " done" << endl; + + return ::boost::report_errors(); +} + +#include <boost/endian/detail/disable_warnings_pop.hpp> |