From eb3ea17c81e29dfd15d56c26393bcf3a687d0980 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sun, 17 Dec 2023 19:11:05 +0200
Subject: [PATCH] Add value list test for mp_slice

---
 test/Jamfile        |   1 +
 test/mp_slice_2.cpp | 168 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 169 insertions(+)
 create mode 100644 test/mp_slice_2.cpp

diff --git a/test/Jamfile b/test/Jamfile
index 445f10c..5d5c94c 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -100,6 +100,7 @@ run mp_at_sf.cpp : : : <toolset>gcc-4.7:<warnings>all ;
 run mp_take.cpp ;
 run mp_take_2.cpp ;
 run mp_slice.cpp ;
+run mp_slice_2.cpp ;
 run mp_replace.cpp ;
 run mp_replace_if.cpp ;
 run mp_replace_if_q.cpp ;
diff --git a/test/mp_slice_2.cpp b/test/mp_slice_2.cpp
new file mode 100644
index 0000000..1ac2d73
--- /dev/null
+++ b/test/mp_slice_2.cpp
@@ -0,0 +1,168 @@
+// Copyright 2023 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/mp11/integral.hpp>
+
+#if !defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
+
+#pragma message("Test skipped because BOOST_MP11_HAS_TEMPLATE_AUTO is not defined")
+int main() {}
+
+#else
+
+#include <boost/core/lightweight_test_trait.hpp>
+
+template<auto... A> struct V1 {};
+template<int... I> struct V2 {};
+
+int main()
+{
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_slice;
+    using boost::mp11::mp_slice_c;
+    using boost::mp11::mp_size_t;
+
+    {
+        using L1 = V1<>;
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L1, 0, 0>, L1);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L1, mp_size_t<0>, mp_size_t<0>>, L1);
+
+        using L2 = V1<false, 0, true, 1, std::size_t(2)>;
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 0>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 1>, V1<false>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 2>, V1<false, 0>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 3>, V1<false, 0, true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 4>, V1<false, 0, true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 5>, V1<false, 0, true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 1>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 2>, V1<0>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 3>, V1<0, true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 4>, V1<0, true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 5>, V1<0, true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 2>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 3>, V1<true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 4>, V1<true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 5>, V1<true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 3>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 4>, V1<1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 5>, V1<1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 4, 4>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 4, 5>, V1<std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 5, 5>, V1<>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<0>>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<1>>, V1<false>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<2>>, V1<false, 0>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<3>>, V1<false, 0, true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<4>>, V1<false, 0, true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<5>>, V1<false, 0, true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<1>>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<2>>, V1<0>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<3>>, V1<0, true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<4>>, V1<0, true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<5>>, V1<0, true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<2>>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<3>>, V1<true>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<4>>, V1<true, 1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<5>>, V1<true, 1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<3>>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<4>>, V1<1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<5>>, V1<1, std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<4>, mp_size_t<4>>, V1<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<4>, mp_size_t<5>>, V1<std::size_t(2)>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<5>, mp_size_t<5>>, V1<>);
+    }
+
+    {
+        using L1 = V2<>;
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L1, 0, 0>, L1);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L1, mp_size_t<0>, mp_size_t<0>>, L1);
+
+        using L2 = V2<1, 2, 3, 4, 5>;
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 0>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 1>, V2<1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 2>, V2<1, 2>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 3>, V2<1, 2, 3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 4>, V2<1, 2, 3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 5>, V2<1, 2, 3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 1>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 2>, V2<2>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 3>, V2<2, 3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 4>, V2<2, 3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 1, 5>, V2<2, 3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 2>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 3>, V2<3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 4>, V2<3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 2, 5>, V2<3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 3>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 4>, V2<4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 3, 5>, V2<4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 4, 4>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 4, 5>, V2<5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 5, 5>, V2<>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<0>>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<1>>, V2<1>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<2>>, V2<1, 2>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<3>>, V2<1, 2, 3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<4>>, V2<1, 2, 3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<0>, mp_size_t<5>>, V2<1, 2, 3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<1>>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<2>>, V2<2>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<3>>, V2<2, 3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<4>>, V2<2, 3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<1>, mp_size_t<5>>, V2<2, 3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<2>>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<3>>, V2<3>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<4>>, V2<3, 4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<2>, mp_size_t<5>>, V2<3, 4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<3>>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<4>>, V2<4>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<3>, mp_size_t<5>>, V2<4, 5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<4>, mp_size_t<4>>, V2<>);
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<4>, mp_size_t<5>>, V2<5>);
+
+        BOOST_TEST_TRAIT_SAME(mp_slice<L2, mp_size_t<5>, mp_size_t<5>>, V2<>);
+    }
+
+    using boost::mp11::mp_iota_c;
+    using boost::mp11::mp_rename_v;
+
+    {
+        using L1 = mp_rename_v<mp_iota_c<71>, V1>;
+        using L2 = mp_rename_v<mp_iota_c<72>, V1>;
+
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 72>, L2);
+        BOOST_TEST_TRAIT_SAME(mp_slice_c<L2, 0, 71>, L1);
+    }
+
+    return boost::report_errors();
+}
+
+#endif