Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 46 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/tuple/special.front.cpp b/src/boost/libs/hana/test/tuple/special.front.cpp
new file mode 100644
index 00000000..9dc712d5
--- /dev/null
+++ b/src/boost/libs/hana/test/tuple/special.front.cpp
@@ -0,0 +1,46 @@
+// 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/equal.hpp>
+#include <boost/hana/front.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+struct x0;
+struct x1;
+struct x2;
+
+int main() {
+    // tuple_t
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_t<x0>),
+        hana::type_c<x0>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_t<x0, x1>),
+        hana::type_c<x0>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_t<x0, x1, x2>),
+        hana::type_c<x0>
+    ));
+
+    // tuple_c
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_c<int, 0>),
+        hana::int_c<0>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_c<int, 0, 1>),
+        hana::int_c<0>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::front(hana::tuple_c<int, 0, 1, 2>),
+        hana::int_c<0>
+    ));
+}