Merge pull request #104 from Flast/test-updates/cxx14-constexpr

Update c++14 constexpr test.
This commit is contained in:
jzmaddock
2016-12-09 18:37:07 +00:00
committed by GitHub

View File

@ -1,5 +1,5 @@
// (C) Copyright Kohei Takahashi 2014
// (C) Copyright Kohei Takahashi 2014,2016
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
@ -17,6 +17,15 @@ namespace boost_no_cxx14_constexpr
namespace detail
{
template <class> struct void_ { typedef void type; };
struct non_tmpl
{
constexpr int foo() const { return 1; }
constexpr int foo() { return 0; }
};
template <typename T>
struct tmpl : non_tmpl { };
}
// Test relaxed constexpr with dependent type; for more details, see comment of
@ -27,6 +36,17 @@ constexpr typename detail::void_<T>::type decrement(T &value)
--value;
}
constexpr int non_cv_member(detail::non_tmpl x)
{
return x.foo();
}
template <typename T>
constexpr int non_cv_member(detail::tmpl<T> x)
{
return x.foo();
}
constexpr int zero()
{
int ret = 1;
@ -34,9 +54,18 @@ constexpr int zero()
return ret;
}
template <int v> struct compile_time_value
{
static constexpr int value = v;
};
int test()
{
return zero();
return compile_time_value<
zero()
+ non_cv_member(detail::non_tmpl())
+ non_cv_member(detail::tmpl<int>())
>::value;
}
}