Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 63 insertions, 0 deletions

diff --git a/src/boost/libs/hof/test/apply_eval.cpp b/src/boost/libs/hof/test/apply_eval.cpp
new file mode 100644
index 00000000..c97d87c3
--- /dev/null
+++ b/src/boost/libs/hof/test/apply_eval.cpp
@@ -0,0 +1,63 @@
+/*=============================================================================
+    Copyright (c) 2017 Paul Fultz II
+    apply_eval.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/apply_eval.hpp>
+#include <boost/hof/always.hpp>
+#include <boost/hof/placeholders.hpp>
+#include "test.hpp"
+
+#include <memory>
+
+BOOST_HOF_TEST_CASE()
+{    
+    BOOST_HOF_STATIC_TEST_CHECK(boost::hof::apply_eval(binary_class(), boost::hof::always(1), boost::hof::always(2)) == 3);
+    BOOST_HOF_TEST_CHECK(boost::hof::apply_eval(binary_class(), []{ return 1; }, []{ return 2;}) == 3);
+}
+
+BOOST_HOF_TEST_CASE()
+{
+    boost::hof::apply_eval(boost::hof::always(), boost::hof::always(1), boost::hof::always(2));
+}
+#if BOOST_HOF_HAS_NOEXCEPT_DEDUCTION
+BOOST_HOF_TEST_CASE()
+{
+    static_assert(noexcept(boost::hof::apply_eval(boost::hof::always(), boost::hof::always(1), boost::hof::always(2))), "noexcept apply_eval");
+}
+#endif
+BOOST_HOF_TEST_CASE()
+{
+    int i = 3;
+    BOOST_HOF_TEST_CHECK(boost::hof::apply_eval(boost::hof::_ - boost::hof::_, [&]{ return i++; }, [&]{ return i++;}) == -1);
+    BOOST_HOF_TEST_CHECK(boost::hof::apply_eval(boost::hof::_ - boost::hof::_, [&]{ return ++i; }, [&]{ return ++i;}) == -1);
+}
+
+struct indirect_sum_f
+{
+    template<class T, class U>
+    auto operator()(T x, U y) const
+    BOOST_HOF_RETURNS(*x + *y);
+};
+
+BOOST_HOF_TEST_CASE()
+{
+    BOOST_HOF_TEST_CHECK(
+        boost::hof::apply_eval(
+            indirect_sum_f(), 
+            []{ return std::unique_ptr<int>(new int(1)); }, 
+            []{ return std::unique_ptr<int>(new int(2)); })
+        == 3);
+}
+
+std::unique_ptr<int> moveable(int i)
+{
+    return std::unique_ptr<int>{new int(i)};
+}
+
+BOOST_HOF_TEST_CASE()
+{    
+    BOOST_HOF_TEST_CHECK(*boost::hof::apply_eval(&moveable, boost::hof::always(1)) == 1);
+    BOOST_HOF_TEST_CHECK(*boost::hof::apply_eval(&moveable, boost::hof::always(3)) == 3);
+}