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Add more constexpr to class uuid

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This commit is contained in:
Peter Dimov
2025-12-24 16:26:17 +02:00
parent bfee791f47
commit 5a5797d465
7 changed files with 260 additions and 65 deletions
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1
test/Jamfile.v2
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@@ -216,6 +216,7 @@ run test_constants.cpp ;
# constexpr tests
compile test_uuid_cx.cpp ;
run test_uuid_cx2.cpp ;
run test_string_generator_cx.cpp ;
run test_string_generator_cx2.cpp ;

119
test/test_uuid_cx2.cpp Normal file
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@@ -0,0 +1,119 @@
// Copyright 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <boost/uuid/string_generator.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#if defined(BOOST_GCC) && BOOST_GCC < 60000
// GCC 5 doesn't consider string_generator::operator()(first, last) constexpr
# define BOOST_NO_CXX14_CONSTEXPR
# undef BOOST_CXX14_CONSTEXPR
# define BOOST_CXX14_CONSTEXPR
#endif
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
#if defined(BOOST_NO_CXX14_CONSTEXPR)
# define TEST_EQ(x, y) BOOST_TEST_EQ(x, y)
#else
# define TEST_EQ(x, y) STATIC_ASSERT((x)==(y)); BOOST_TEST_EQ(x, y)
#endif
using namespace boost::uuids;
int main()
{
// Test vectors from IETF RFC 9562, Appendix A
// https://datatracker.ietf.org/doc/rfc9562/
BOOST_CXX14_CONSTEXPR string_generator uuid_from_string;
// A.1, UUIDv1
{
BOOST_CXX14_CONSTEXPR uuid::node_type const node{{ 0x9F, 0x6B, 0xDE, 0xCE, 0xD8, 0x46 }};
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "C232AB00-9414-11EC-B3C8-9F6BDECED846" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_time_based );
TEST_EQ( u.timestamp_v1(), 0x1EC9414C232AB00 );
TEST_EQ( u.clock_seq(), 0x33C8 );
BOOST_CXX14_CONSTEXPR auto n = u.node_identifier();
BOOST_TEST( n == node );
}
// A.2, UUIDv3
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "5df41881-3aed-3515-88a7-2f4a814cf09e" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_name_based_md5 );
}
// A.3, UUIDv4
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "919108f7-52d1-4320-9bac-f847db4148a8" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_random_number_based );
}
// A.4, UUIDv5
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "2ed6657d-e927-568b-95e1-2665a8aea6a2" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_name_based_sha1 );
}
// A.5, UUIDv6
{
BOOST_CXX14_CONSTEXPR uuid::node_type const node{{ 0x9F, 0x6B, 0xDE, 0xCE, 0xD8, 0x46 }};
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "1EC9414C-232A-6B00-B3C8-9F6BDECED846" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_time_based_v6 );
TEST_EQ( u.timestamp_v6(), 0x1EC9414C232AB00 );
TEST_EQ( u.clock_seq(), 0x33C8 );
BOOST_CXX14_CONSTEXPR auto n = u.node_identifier();
BOOST_TEST( n == node );
}
// A.6, UUIDv7
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "017F22E2-79B0-7CC3-98C4-DC0C0C07398F" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_time_based_v7 );
TEST_EQ( u.timestamp_v7(), 0x017F22E279B0 );
}
// B.1, UUIDv8
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_custom_v8 );
}
// B.2, UUIDv8
{
BOOST_CXX14_CONSTEXPR uuid u = uuid_from_string( "5c146b14-3c52-8afd-938a-375d0df1fbf6" );
TEST_EQ( u.variant(), uuid::variant_rfc_4122 );
TEST_EQ( u.version(), uuid::version_custom_v8 );
}
return boost::report_errors();
}