1 files changed, 87 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/permutations.hpp b/src/boost/libs/hana/test/_include/auto/permutations.hpp
new file mode 100644
index 000000000..d854103ac
--- /dev/null
+++ b/src/boost/libs/hana/test/_include/auto/permutations.hpp
@@ -0,0 +1,87 @@
+// 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)
+
+#ifndef BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
+#define BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
+
+#include <boost/hana/and.hpp>
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/is_subset.hpp>
+#include <boost/hana/permutations.hpp>
+
+#include <laws/base.hpp>
+#include "test_case.hpp"
+
+
+TestCase test_permutations{[]{
+    namespace hana = boost::hana;
+    using hana::test::ct_eq;
+
+    auto is_permutation = [](auto xs, auto ys) {
+        return hana::and_(hana::is_subset(xs, ys), hana::is_subset(ys, xs));
+    };
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::permutations(MAKE_TUPLE()),
+        MAKE_TUPLE(MAKE_TUPLE())
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::permutations(MAKE_TUPLE(ct_eq<0>{})),
+        MAKE_TUPLE(MAKE_TUPLE(ct_eq<0>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(is_permutation(
+        hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
+        MAKE_TUPLE(
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
+        )
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(is_permutation(
+        hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
+        MAKE_TUPLE(
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+        )
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(is_permutation(
+        hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})),
+        MAKE_TUPLE(
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
+            MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+        )
+    ));
+}};
+
+#endif // !BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP