1 files changed, 46 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/tuple/special.drop_front_exactly.cpp b/src/boost/libs/hana/test/tuple/special.drop_front_exactly.cpp
new file mode 100644
index 000000000..1092c5216
--- /dev/null
+++ b/src/boost/libs/hana/test/tuple/special.drop_front_exactly.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/drop_front_exactly.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+
+
+struct x0;
+struct x1;
+struct x2;
+
+int main() {
+    // tuple_t
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_t<x0>),
+        hana::tuple_t<>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_t<x0, x1>),
+        hana::tuple_t<x1>
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_t<x0, x1, x2>),
+        hana::tuple_t<x1, x2>
+    ));
+
+    // tuple_c
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_c<int, 0>),
+        hana::tuple_c<int>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_c<int, 0, 1>),
+        hana::tuple_c<int, 1>
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::drop_front_exactly(hana::tuple_c<int, 0, 1, 2>),
+        hana::tuple_c<int, 1, 2>
+    ));
+}