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Add test/value_init_test3

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Peter Dimov 2020-05-26 00:39:51 +03:00
parent 8faf831bd1
commit 688628f764
2 changed files with 41 additions and 0 deletions
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1
test/Jamfile.v2
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@ -37,6 +37,7 @@ run string_view_test_io.cpp ;
run value_init_test.cpp ;
run value_init_test2.cpp ;
run value_init_test3.cpp ;
run value_init_workaround_test.cpp ;
run initialized_test.cpp ;
compile-fail value_init_test_fail1.cpp ;

40
test/value_init_test3.cpp Normal file
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@ -0,0 +1,40 @@
// Copyright 2020 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt)
#include <boost/utility/value_init.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#if __cplusplus >= 201103L || ( defined(BOOST_MSVC) && BOOST_MSVC >= 1900 )
struct X
{
int a;
char b;
};
struct Y: boost::value_initialized<X>
{
char c = 42;
};
int main()
{
Y y;
BOOST_TEST_EQ( y.data().a, 0 );
BOOST_TEST_EQ( y.data().b, 0 );
BOOST_TEST_EQ( y.c, 42 );
return boost::report_errors();
}
#else
BOOST_PRAGMA_MESSAGE( "Skipping test because compiler doesn't support in-class member initializers" )
int main() {}
#endif