1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/optional/less.cpp b/src/boost/libs/hana/test/optional/less.cpp
new file mode 100644
index 000000000..05c5d8a74
--- /dev/null
+++ b/src/boost/libs/hana/test/optional/less.cpp
@@ -0,0 +1,52 @@
+// 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/greater.hpp>
+#include <boost/hana/greater_equal.hpp>
+#include <boost/hana/less.hpp>
+#include <boost/hana/less_equal.hpp>
+#include <boost/hana/not.hpp>
+#include <boost/hana/optional.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_ord;
+
+
+struct undefined { };
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::nothing < hana::just(undefined{}));
+    BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) < hana::just(ct_ord<4>{}));
+    BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) <= hana::just(ct_ord<4>{}));
+    BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) > hana::just(ct_ord<3>{}));
+    BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) >= hana::just(ct_ord<3>{}));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        hana::nothing,
+        hana::just(undefined{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        hana::just(undefined{}),
+        hana::nothing
+    )));
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        hana::nothing,
+        hana::nothing
+    )));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        hana::just(ct_ord<3>{}),
+        hana::just(ct_ord<4>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        hana::just(ct_ord<3>{}),
+        hana::just(ct_ord<3>{})
+    )));
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        hana::just(ct_ord<4>{}),
+        hana::just(ct_ord<3>{})
+    )));
+}