1 files changed, 84 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/span.hpp b/src/boost/libs/hana/test/_include/auto/span.hpp
new file mode 100644
index 000000000..1a15d408b
--- /dev/null
+++ b/src/boost/libs/hana/test/_include/auto/span.hpp
@@ -0,0 +1,84 @@
+// 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_SPAN_HPP
+#define BOOST_HANA_TEST_AUTO_SPAN_HPP
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/span.hpp>
+
+#include "test_case.hpp"
+#include <laws/base.hpp>
+#include <support/minimal_product.hpp>
+
+
+TestCase test_span{[]{
+    namespace hana = boost::hana;
+    using hana::test::ct_eq;
+
+    auto z = ct_eq<999>{};
+    auto pair = ::minimal_product;
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE())
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(ct_eq<0>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(z), hana::equal.to(z)),
+        pair(MAKE_TUPLE(z), MAKE_TUPLE())
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, z), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(z, ct_eq<0>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<0>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(z, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(z, z, ct_eq<2>{}), hana::equal.to(z)),
+        pair(MAKE_TUPLE(z, z), MAKE_TUPLE(ct_eq<2>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span(MAKE_TUPLE(z, z, z), hana::equal.to(z)),
+        pair(MAKE_TUPLE(z, z, z), MAKE_TUPLE())
+    ));
+
+    // span.by
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span.by(hana::equal.to(z), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::span.by(hana::equal.to(z))(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
+        hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
+    ));
+}};
+
+#endif // !BOOST_HANA_TEST_AUTO_SPAN_HPP