1 files changed, 70 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/detail/variadic/reverse_apply.cpp b/src/boost/libs/hana/test/detail/variadic/reverse_apply.cpp
new file mode 100644
index 000000000..60305f3a7
--- /dev/null
+++ b/src/boost/libs/hana/test/detail/variadic/reverse_apply.cpp
@@ -0,0 +1,70 @@
+// 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/detail/variadic/reverse_apply.hpp>
+#include <boost/hana/detail/variadic/reverse_apply/flat.hpp>
+#include <boost/hana/detail/variadic/reverse_apply/unrolled.hpp>
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+auto check = [](auto reverse_apply) {
+    hana::test::_injection<0> f{};
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f),
+        f()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}),
+        f(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}),
+        f(ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+        f(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
+        f(ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
+        f(ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}),
+        f(ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}),
+        f(ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
+        f(ct_eq<7>{}, ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
+        f(ct_eq<8>{}, ct_eq<7>{}, ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+};
+
+int main() {
+    check(hana::detail::variadic::reverse_apply);
+    check([](auto f, auto ...x) {
+        return hana::detail::variadic::reverse_apply_flat(f, x...);
+    });
+    check([](auto f, auto ...x) {
+        return hana::detail::variadic::reverse_apply_unrolled(f, x...);
+    });
+}