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66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
// Copyright 2009 Andy Tompkins 2009
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// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/uuid/uuid.hpp>
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#include <boost/uuid/uuid_io.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <string>
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#include <algorithm>
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using namespace boost::uuids;
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template<std::size_t N, class Ch> void test2( uuid const& u, Ch const* expected )
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{
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Ch buffer[ N ];
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std::fill( buffer + 0, buffer + N, '@' );
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// always succeeds, invalid uses are detected at compile time
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BOOST_TEST( to_chars( u, buffer ) == buffer + 36 );
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// check that the correct, zero-terminated, string is produced
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BOOST_TEST( buffer[ 36 ] == 0 ) && BOOST_TEST( std::basic_string<Ch>( buffer ) == std::basic_string<Ch>( expected ) );
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// make sure nothing is written beyond buffer[ 36 ]
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BOOST_TEST( std::basic_string<Ch>( buffer + 37, buffer + N ) == std::basic_string<Ch>( N - 37, '@' ) );
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}
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template<class Ch> void test( uuid const& u, Ch const* expected )
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{
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test2<37>( u, expected );
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test2<38>( u, expected );
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test2<39>( u, expected );
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test2<40>( u, expected );
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}
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int main()
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{
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uuid const u1 = {{ 0 }};
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uuid const u2 = {{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }};
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uuid const u3 = {{ 0x12, 0x34, 0x56, 0x78, 0x90, 0xab, 0xcd, 0xef, 0x12, 0x34, 0x56, 0x78, 0x90, 0xab, 0xcd, 0xef }};
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test( u1, "00000000-0000-0000-0000-000000000000" );
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test( u2, "00010203-0405-0607-0809-0a0b0c0d0e0f" );
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test( u3, "12345678-90ab-cdef-1234-567890abcdef" );
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test( u1, L"00000000-0000-0000-0000-000000000000" );
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test( u2, L"00010203-0405-0607-0809-0a0b0c0d0e0f" );
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test( u3, L"12345678-90ab-cdef-1234-567890abcdef" );
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test( u1, u"00000000-0000-0000-0000-000000000000" );
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test( u2, u"00010203-0405-0607-0809-0a0b0c0d0e0f" );
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test( u3, u"12345678-90ab-cdef-1234-567890abcdef" );
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test( u1, U"00000000-0000-0000-0000-000000000000" );
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test( u2, U"00010203-0405-0607-0809-0a0b0c0d0e0f" );
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test( u3, U"12345678-90ab-cdef-1234-567890abcdef" );
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test( u1, u8"00000000-0000-0000-0000-000000000000" );
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test( u2, u8"00010203-0405-0607-0809-0a0b0c0d0e0f" );
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test( u3, u8"12345678-90ab-cdef-1234-567890abcdef" );
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return boost::report_errors();
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}
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