Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/boost/libs/hof/test/limit.cpp b/src/boost/libs/hof/test/limit.cpp
new file mode 100644
index 00000000..74697413
--- /dev/null
+++ b/src/boost/libs/hof/test/limit.cpp
@@ -0,0 +1,49 @@
+/*=============================================================================
+    Copyright (c) 2017 Paul Fultz II
+    limit.cpp
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <boost/hof/limit.hpp>
+#include <boost/hof/is_invocable.hpp>
+#include <boost/hof/pack.hpp>
+#include "test.hpp"
+
+BOOST_HOF_TEST_CASE()
+{
+    auto f = boost::hof::limit(std::integral_constant<int, 2>())(binary_class());
+    BOOST_HOF_TEST_CHECK(f(1, 2) == 3);
+    static_assert(boost::hof::function_param_limit<decltype(f)>::value == 2, "Function limit is 2");
+}
+
+BOOST_HOF_TEST_CASE()
+{
+    auto f = boost::hof::limit_c<2>(binary_class());
+    BOOST_HOF_TEST_CHECK(f(1, 2) == 3);
+    static_assert(boost::hof::function_param_limit<decltype(f)>::value == 2, "Function limit is 2");
+}
+
+BOOST_HOF_TEST_CASE()
+{
+    auto f = boost::hof::limit_c<2>(boost::hof::always(3));
+    BOOST_HOF_TEST_CHECK(f(1, 2) == 3);
+    BOOST_HOF_TEST_CHECK(f(1) == 3);
+    BOOST_HOF_TEST_CHECK(f() == 3);
+    static_assert(boost::hof::function_param_limit<decltype(f)>::value == 2, "Function limit is 2");
+    static_assert(boost::hof::is_invocable<decltype(f), int>::value, "Invocable");
+    static_assert(boost::hof::is_invocable<decltype(f), int, int>::value, "Invocable");
+    static_assert(!boost::hof::is_invocable<decltype(f), int, int, int>::value, "Not Invocable");
+}
+
+BOOST_HOF_TEST_CASE()
+{
+    static_assert(!boost::hof::is_invocable<decltype(boost::hof::limit), int>::value, "Not integral constant");
+}
+
+BOOST_HOF_TEST_CASE()
+{
+    static_assert(boost::hof::function_param_limit<decltype(boost::hof::pack())>::value == 0, "Failed limit on pack");
+    static_assert(boost::hof::function_param_limit<decltype(boost::hof::pack(1))>::value == 1, "Failed limit on pack");
+    static_assert(boost::hof::function_param_limit<decltype(boost::hof::pack(1, 2))>::value == 2, "Failed limit on pack");
+}
+