feedc0de/boost_config
1
0
Fork 0
forked from boostorg/config
Code Pull Requests Activity

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

Browse Source 
Update c++14 constexpr test.
This commit is contained in:
jzmaddock
2016-12-09 18:37:07 +00:00
committed by GitHub
parent 45c6f515b1 7a3fe1f874
commit 209302a3ed
1 changed files with 31 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
test/boost_no_cxx14_constexpr.ipp
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 // Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file // Boost Software License, Version 1.0. (See accompanying file
@ -17,6 +17,15 @@ namespace boost_no_cxx14_constexpr
namespace detail namespace detail
{ {
template <class> struct void_ { typedef void type; }; 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 // 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; --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() constexpr int zero()
{ {
int ret = 1; int ret = 1;
@ -34,9 +54,18 @@ constexpr int zero()
return ret; return ret;
} }
template <int v> struct compile_time_value
{
static constexpr int value = v;
};
int test() int test()
{ {
return zero(); return compile_time_value<
zero()
+ non_cv_member(detail::non_tmpl())
+ non_cv_member(detail::tmpl<int>())
>::value;
} }
} }