Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

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

1 files changed, 36 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/experimental/view/transformed/is_empty.cpp b/src/boost/libs/hana/test/experimental/view/transformed/is_empty.cpp
new file mode 100644
index 000000000..aafec8ab5
--- /dev/null
+++ b/src/boost/libs/hana/test/experimental/view/transformed/is_empty.cpp
@@ -0,0 +1,36 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/experimental/view.hpp>
+#include <boost/hana/is_empty.hpp>
+#include <boost/hana/not.hpp>
+
+#include <support/seq.hpp>
+namespace hana = boost::hana;
+
+
+struct undefined { };
+
+int main() {
+    auto container = ::seq;
+
+    {
+        auto xs = container();
+        auto tr = hana::experimental::transformed(xs, undefined{});
+        BOOST_HANA_CONSTANT_CHECK(hana::is_empty(tr));
+    }
+
+    {
+        auto xs = container(undefined{});
+        auto tr = hana::experimental::transformed(xs, undefined{});
+        BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(tr)));
+    }
+
+    {
+        auto xs = container(undefined{}, undefined{});
+        auto tr = hana::experimental::transformed(xs, undefined{});
+        BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(tr)));
+    }
+}