1 files changed, 57 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/range/find.cpp b/src/boost/libs/hana/test/range/find.cpp
new file mode 100644
index 000000000..29954e8a9
--- /dev/null
+++ b/src/boost/libs/hana/test/range/find.cpp
@@ -0,0 +1,57 @@
+// 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/core/make.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/find.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/optional.hpp>
+#include <boost/hana/range.hpp>
+
+#include <support/cnumeric.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<0>, hana::int_c<0>), cnumeric<int, 0>),
+        hana::nothing
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<0>, hana::int_c<1>), cnumeric<int, 0>),
+        hana::just(hana::int_c<0>)
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 3>),
+        hana::just(hana::int_c<3>)
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 9>),
+        hana::just(hana::int_c<9>)
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<10>), cnumeric<int, -10>),
+        hana::just(hana::int_c<-10>)
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<10>), cnumeric<int, -5>),
+        hana::just(hana::int_c<-5>)
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<0>), cnumeric<int, 3>),
+        hana::nothing
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 15>),
+        hana::nothing
+    ));
+}