1 files changed, 65 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/string/less.cpp b/src/boost/libs/hana/test/string/less.cpp
new file mode 100644
index 000000000..53ca1f1c8
--- /dev/null
+++ b/src/boost/libs/hana/test/string/less.cpp
@@ -0,0 +1,65 @@
+// 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/integral_constant.hpp>
+#include <boost/hana/less.hpp>
+#include <boost/hana/less_equal.hpp>
+#include <boost/hana/not.hpp>
+#include <boost/hana/string.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        BOOST_HANA_STRING(""),
+        BOOST_HANA_STRING("")
+    )));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        BOOST_HANA_STRING(""),
+        BOOST_HANA_STRING("a")
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        BOOST_HANA_STRING("a"),
+        BOOST_HANA_STRING("")
+    )));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        BOOST_HANA_STRING("a"),
+        BOOST_HANA_STRING("ab")
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
+        BOOST_HANA_STRING("ab"),
+        BOOST_HANA_STRING("ab")
+    )));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        BOOST_HANA_STRING("abc"),
+        BOOST_HANA_STRING("abcde")
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::less(
+        BOOST_HANA_STRING("abcde"),
+        BOOST_HANA_STRING("abfde")
+    ));
+
+    // check operators
+    BOOST_HANA_CONSTANT_CHECK(
+        BOOST_HANA_STRING("abc") < BOOST_HANA_STRING("abcd")
+    );
+    BOOST_HANA_CONSTANT_CHECK(
+        BOOST_HANA_STRING("abc") <= BOOST_HANA_STRING("abcd")
+    );
+    BOOST_HANA_CONSTANT_CHECK(
+        BOOST_HANA_STRING("abcd") > BOOST_HANA_STRING("abc")
+    );
+    BOOST_HANA_CONSTANT_CHECK(
+        BOOST_HANA_STRING("abcd") >= BOOST_HANA_STRING("abc")
+    );
+}