1 files changed, 48 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/concept/struct/find_if.cpp b/src/boost/libs/hana/test/concept/struct/find_if.cpp
new file mode 100644
index 000000000..3e249239b
--- /dev/null
+++ b/src/boost/libs/hana/test/concept/struct/find_if.cpp
@@ -0,0 +1,48 @@
+// 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/concept/struct.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/find_if.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/optional.hpp>
+
+#include "minimal_struct.hpp"
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+template <int i = 0>
+struct undefined { };
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(), undefined<>{}),
+        hana::nothing
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(ct_eq<0>{}), hana::equal.to(hana::int_c<0>)),
+        hana::just(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(undefined<1>{}), hana::equal.to(hana::int_c<1>)),
+        hana::nothing
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(hana::int_c<0>)),
+        hana::just(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(hana::int_c<1>)),
+        hana::just(ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::find_if(obj(undefined<0>{}, undefined<1>{}), hana::equal.to(hana::int_c<2>)),
+        hana::nothing
+    ));
+}