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Implement first_scalar

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Glen Fernandes
2019-05-13 15:04:26 -04:00
parent 6b65cde816
commit ca832d9384
6 changed files with 171 additions and 0 deletions
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test/Jamfile.v2
+3
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@@ -127,6 +127,9 @@ run to_address_test.cpp ;
run exchange_test.cpp ;
run exchange_move_test.cpp ;
run first_scalar_test.cpp ;
compile first_scalar_constexpr_test.cpp ;
run empty_value_test.cpp ;
run empty_value_size_test.cpp ;
run empty_value_final_test.cpp ;
test/first_scalar_constexpr_test.cpp
+19
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@@ -0,0 +1,19 @@
/*
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/config.hpp>
#if !defined(BOOST_NO_CXX14_CONSTEXPR)
#include <boost/core/first_scalar.hpp>
#include <boost/static_assert.hpp>
static int i1 = 0;
BOOST_STATIC_ASSERT(boost::first_scalar(&i1) == &i1);
static int i2[4] = { };
BOOST_STATIC_ASSERT(boost::first_scalar(i2) == &i2[0]);
static int i3[2][4][6] = { };
BOOST_STATIC_ASSERT(boost::first_scalar(i3) == &i3[0][0][0]);
#endif
test/first_scalar_test.cpp
+20
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@@ -0,0 +1,20 @@
/*
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/core/first_scalar.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
int i1 = 0;
BOOST_TEST_EQ(boost::first_scalar(&i1), &i1);
int i2[4] = { };
BOOST_TEST_EQ(boost::first_scalar(i2), &i2[0]);
int i3[2][4][6] = { };
BOOST_TEST_EQ(boost::first_scalar(i3), &i3[0][0][0]);
return boost::report_errors();
}