1 files changed, 182 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/slice.hpp b/src/boost/libs/hana/test/_include/auto/slice.hpp
new file mode 100644
index 000000000..3beb2ef0a
--- /dev/null
+++ b/src/boost/libs/hana/test/_include/auto/slice.hpp
@@ -0,0 +1,182 @@
+// 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_SLICE_HPP
+#define BOOST_HANA_TEST_AUTO_SLICE_HPP
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/range.hpp>
+#include <boost/hana/slice.hpp>
+#include <boost/hana/tuple.hpp>
+
+#include "test_case.hpp"
+#include <laws/base.hpp>
+#include <support/seq.hpp>
+
+#include <cstddef>
+
+
+TestCase test_slice{[]{
+    namespace hana = boost::hana;
+    using hana::test::ct_eq;
+    constexpr auto foldable = ::seq;
+
+    struct undefined { };
+
+    //////////////////////////////////////////////////////////////////////////
+    // Test with arbitrary indices
+    //////////////////////////////////////////////////////////////////////////
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(),
+                    foldable()),
+        MAKE_TUPLE()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}),
+                    foldable()),
+        MAKE_TUPLE()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, undefined{}),
+                    foldable()),
+        MAKE_TUPLE()
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}),
+                    foldable(hana::size_c<0>)),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}),
+                    foldable(hana::size_c<0>)),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}),
+                    foldable(hana::size_c<1>)),
+        MAKE_TUPLE(ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+                    foldable(hana::size_c<0>, hana::size_c<1>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+                    foldable(hana::size_c<1>, hana::size_c<0>)),
+        MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+                    foldable(hana::size_c<0>, hana::size_c<0>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+                    foldable(hana::size_c<1>, hana::size_c<1>)),
+        MAKE_TUPLE(ct_eq<1>{}, ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+              foldable(hana::size_c<0>, hana::size_c<1>, hana::size_c<2>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+                    foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+                    foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
+                    foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>, hana::size_c<1>)),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<1>{})
+    ));
+
+    // Try with a tuple_c
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
+                    hana::tuple_c<unsigned, 1, 3, 2>),
+        MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{})
+    ));
+
+
+
+    //////////////////////////////////////////////////////////////////////////
+    // Test with a `range` (check the optimization for contiguous indices)
+    //////////////////////////////////////////////////////////////////////////
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(),
+                    hana::range_c<std::size_t, 0, 0>),
+        MAKE_TUPLE()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}),
+                    hana::range_c<std::size_t, 0, 0>),
+        MAKE_TUPLE()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, undefined{}),
+                    hana::range_c<std::size_t, 0, 0>),
+        MAKE_TUPLE()
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}),
+                    hana::range_c<std::size_t, 0, 1>),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}),
+                    hana::range_c<std::size_t, 0, 1>),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}),
+                    hana::range_c<std::size_t, 1, 2>),
+        MAKE_TUPLE(ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, undefined{}),
+                    hana::range_c<std::size_t, 1, 2>),
+        MAKE_TUPLE(ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
+                    hana::range_c<std::size_t, 0, 2>),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, undefined{}),
+                    hana::range_c<std::size_t, 0, 2>),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}),
+                    hana::range_c<std::size_t, 1, 3>),
+        MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}, undefined{}),
+                    hana::range_c<std::size_t, 1, 3>),
+        MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
+    ));
+}};
+
+#endif // !BOOST_HANA_TEST_AUTO_SLICE_HPP