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43 lines
923 B
C++
43 lines
923 B
C++
/*
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Copyright 2019 Glen Joseph Fernandes
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(glenjofe@gmail.com)
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Distributed under the Boost Software License, Version 1.0.
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(http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <cstddef>
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#ifdef __cpp_lib_byte
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#include <boost/core/span.hpp>
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#include <boost/core/lightweight_test.hpp>
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void test_dynamic()
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{
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int a[4];
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boost::span<const std::byte> s =
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boost::as_bytes(boost::span<int>(&a[0], 4));
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BOOST_TEST_EQ(s.data(), reinterpret_cast<const std::byte*>(&a[0]));
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BOOST_TEST_EQ(s.size(), sizeof(int) * 4);
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}
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void test_static()
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{
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int a[4];
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boost::span<const std::byte, sizeof(int) * 4> s =
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boost::as_bytes(boost::span<int, 4>(&a[0], 4));
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BOOST_TEST_EQ(s.data(), reinterpret_cast<const std::byte*>(&a[0]));
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BOOST_TEST_EQ(s.size(), sizeof(int) * 4);
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}
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int main()
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{
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test_dynamic();
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test_static();
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return boost::report_errors();
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}
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#else
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int main()
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{
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return 0;
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}
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#endif
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