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Add array_fill_test_cx.cpp

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This commit is contained in:
Peter Dimov
2025-01-26 05:41:56 +02:00
parent cd0532b8fa
commit 9253e8f1af
2 changed files with 52 additions and 0 deletions
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1
test/Jamfile.v2
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@ -59,6 +59,7 @@ compile array_get_test_cx.cpp ;
# C++14 constexpr # C++14 constexpr
compile array_fill_test_cx.cpp ;
compile array_eq_test_cx.cpp ; compile array_eq_test_cx.cpp ;
compile array_lt_test_cx.cpp ; compile array_lt_test_cx.cpp ;

51
test/array_fill_test_cx.cpp Normal file
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@ -0,0 +1,51 @@
// Copyright 2025 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt)
#include <boost/array.hpp>
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#include <boost/config/workaround.hpp>
#include <cstddef>
#if defined(BOOST_NO_CXX14_CONSTEXPR)
BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_CONSTEXPR is defined")
#else
#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
template<class T, std::size_t N> constexpr boost::array<T, N> filled( T const& v )
{
boost::array<T, N> r = {};
r.fill( v );
return r;
}
template<class T> void test1()
{
constexpr boost::array<T, 4> a1 = filled<T, 4>( 7 );
STATIC_ASSERT( a1[0] == 7 );
STATIC_ASSERT( a1[1] == 7 );
STATIC_ASSERT( a1[2] == 7 );
STATIC_ASSERT( a1[3] == 7 );
}
template<class T> void test2()
{
constexpr boost::array<T, 0> a1 = filled<T, 0>( 7 );
(void)a1;
}
int main()
{
test1<int>();
test2<int>();
}
#endif