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Add overload for emulated128 in num_digits

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Matt Borland
2023-06-08 13:27:28 +02:00
parent d6e9efa791
commit 35312cb5fd
2 changed files with 28 additions and 0 deletions
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17
test/test_num_digits.cpp
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@@ -3,6 +3,7 @@
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/charconv/detail/integer_search_trees.hpp>
#include <boost/charconv/detail/emulated128.hpp>
#include <boost/charconv/config.hpp>
#include <boost/core/lightweight_test.hpp>
#include <type_traits>
@@ -57,6 +58,20 @@ void test()
BOOST_TEST_EQ(boost::charconv::detail::num_digits(val), std::numeric_limits<T>::digits10 + 1);
}
void test_emulated128()
{
using namespace boost::charconv::detail;
uint128 v1 {0, 1234};
BOOST_TEST_EQ(num_digits(v1), 4);
uint128 v2 {1234, 0};
BOOST_TEST_EQ(num_digits(v2), 23);
uint128 v3 {UINT64_MAX, UINT64_MAX};
BOOST_TEST_EQ(num_digits(v3), 39);
}
int main()
{
test<char>();
@@ -78,5 +93,7 @@ int main()
test128<boost::uint128_type>();
#endif
test_emulated128();
return boost::report_errors();
}