From acd0e3e015a95ed7ea01a44f8914854f3b18fcb1 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 21 Jan 2019 06:52:01 +0200
Subject: [PATCH] Test mp_same with 1024 arguments

---
 include/boost/mp11/detail/mp_count.hpp |  2 +-
 test/mp_same.cpp                       | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/include/boost/mp11/detail/mp_count.hpp b/include/boost/mp11/detail/mp_count.hpp
index 4bd1953..2daed90 100644
--- a/include/boost/mp11/detail/mp_count.hpp
+++ b/include/boost/mp11/detail/mp_count.hpp
@@ -72,7 +72,7 @@ namespace detail
 
 template<class L, template<class...> class P> struct mp_count_if_impl;
 
-#if defined( BOOST_MP11_HAS_FOLD_EXPRESSIONS )
+#if defined( BOOST_MP11_HAS_FOLD_EXPRESSIONS ) && !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1920 )
 
 template<template<class...> class L, class... T, template<class...> class P> struct mp_count_if_impl<L<T...>, P>
 {
diff --git a/test/mp_same.cpp b/test/mp_same.cpp
index 5b642ae..d23e6b7 100644
--- a/test/mp_same.cpp
+++ b/test/mp_same.cpp
@@ -6,8 +6,15 @@
 // See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt
 
+#include <boost/mp11/detail/config.hpp>
+
+#if BOOST_MP11_MSVC
+# pragma warning( disable: 4503 ) // decorated name length exceeded
+#endif
 
 #include <boost/mp11/function.hpp>
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
 #include <type_traits>
 
@@ -29,5 +36,16 @@ int main()
     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, int>, mp_false>));
     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void, int>, mp_false>));
 
+    using boost::mp11::mp_repeat_c;
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_apply;
+
+    int const N = 1024;
+
+    using L = mp_repeat_c<mp_list<void>, N>;
+    using R = mp_apply<mp_same, L>;
+
+    BOOST_TEST_TRAIT_TRUE((std::is_same<R, mp_true>));
+
     return boost::report_errors();
 }