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Make uuid::is_nil, swap, and relational operators constexpr

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This commit is contained in:
Peter Dimov
2025-12-25 05:21:55 +02:00
parent 5a5797d465
commit bd765b558c
8 changed files with 233 additions and 119 deletions
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7
test/Jamfile.v2
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@@ -57,9 +57,9 @@ rule test_headers
alias test_headers : [ test_headers ] ;
# test including all .hpp files in 2 translations units
# test including all .hpp files in 2 translation units
# to look for issues when using multiple translation units
# e.g. missing inline on a global functionstate is not missing
# e.g. missing inline on a global function
run test_include1.cpp test_include2.cpp ;
@@ -217,6 +217,9 @@ run test_constants.cpp ;
compile test_uuid_cx.cpp ;
run test_uuid_cx2.cpp ;
run test_uuid_cx3.cpp
: : : <define>BOOST_UUID_REPORT_IMPLEMENTATION ;
run test_uuid_cx3.cpp : : : <define>BOOST_UUID_NO_SIMD <define>BOOST_UUID_REPORT_IMPLEMENTATION : test_uuid_cx3_no_simd ;
run test_string_generator_cx.cpp ;
run test_string_generator_cx2.cpp ;

2
test/test_uuid_cx2.cpp
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@@ -1,4 +1,4 @@
// Copyright 2024 Peter Dimov
// Copyright 2024, 2025 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

65
test/test_uuid_cx3.cpp Normal file
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@@ -0,0 +1,65 @@
// Copyright 2025 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/core/lightweight_test.hpp>
#include <boost/config.hpp>
#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)
# define TEST_NE(x, y) BOOST_TEST_NE(x, y)
# define TEST_LT(x, y) BOOST_TEST_LT(x, y)
# define TEST(x) BOOST_TEST(x)
#else
# define TEST_EQ(x, y) STATIC_ASSERT((x)==(y)); BOOST_TEST_EQ(x, y)
# define TEST_NE(x, y) STATIC_ASSERT((x)!=(y)); BOOST_TEST_NE(x, y)
# define TEST_LT(x, y) STATIC_ASSERT((x)<(y)); BOOST_TEST_LT(x, y)
# define TEST(x) STATIC_ASSERT(x); BOOST_TEST(x)
#endif
using namespace boost::uuids;
int main()
{
BOOST_CXX14_CONSTEXPR uuid u1;
BOOST_CXX14_CONSTEXPR uuid u2 = {{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }};
BOOST_CXX14_CONSTEXPR uuid u3 = {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }};
TEST_EQ( u1.is_nil(), true );
TEST_EQ( u2.is_nil(), false );
TEST_EQ( u3.is_nil(), false );
TEST_EQ( u1, u1 );
TEST_EQ( u2, u2 );
TEST_EQ( u3, u3 );
TEST_NE( u1, u2 );
TEST_NE( u1, u3 );
TEST_NE( u2, u3 );
TEST_LT( u1, u2 );
TEST_LT( u1, u3 );
TEST_LT( u3, u2 );
#if defined(BOOST_UUID_HAS_THREE_WAY_COMPARISON)
constexpr auto eq = std::strong_ordering::equal;
constexpr auto lt = std::strong_ordering::less;
constexpr auto gt = std::strong_ordering::greater;
TEST( ( u1 <=> u1 ) == eq );
TEST( ( u2 <=> u2 ) == eq );
TEST( ( u3 <=> u3 ) == eq );
TEST( ( u1 <=> u2 ) == lt );
TEST( ( u1 <=> u3 ) == lt );
TEST( ( u2 <=> u3 ) == gt );
#endif
return boost::report_errors();
}