Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/set/cnstr.default.cpp b/src/boost/libs/hana/test/set/cnstr.default.cpp
new file mode 100644
index 00000000..bc5ee91d
--- /dev/null
+++ b/src/boost/libs/hana/test/set/cnstr.default.cpp
@@ -0,0 +1,77 @@
+// 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/bool.hpp>
+#include <boost/hana/fwd/hash.hpp>
+#include <boost/hana/set.hpp>
+#include <boost/hana/type.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+template <int i>
+struct NoDefault {
+    NoDefault() = delete;
+    NoDefault(NoDefault const&) = default;
+    constexpr explicit NoDefault(int) { }
+};
+
+template <int i, int j>
+auto operator==(NoDefault<i> const&, NoDefault<j> const&) { return hana::bool_<i == j>{}; }
+template <int i, int j>
+auto operator!=(NoDefault<i> const&, NoDefault<j> const&) { return hana::bool_<i != j>{}; }
+
+template <int i>
+struct Default {
+    Default() = default;
+    Default(Default const&) = default;
+    constexpr explicit Default(int) { }
+};
+
+template <int i, int j>
+auto operator==(Default<i> const&, Default<j> const&) { return hana::bool_<i == j>{}; }
+template <int i, int j>
+auto operator!=(Default<i> const&, Default<j> const&) { return hana::bool_<i != j>{}; }
+
+namespace boost { namespace hana {
+    template <int i>
+    struct hash_impl<NoDefault<i>> {
+        static constexpr auto apply(NoDefault<i> const&)
+        { return hana::type_c<NoDefault<i>>; };
+    };
+
+    template <int i>
+    struct hash_impl<Default<i>> {
+        static constexpr auto apply(Default<i> const&)
+        { return hana::type_c<Default<i>>; };
+    };
+}}
+
+int main() {
+    {
+        auto set0 = hana::make_set();
+        static_assert(std::is_default_constructible<decltype(set0)>{}, "");
+
+        auto set1 = hana::make_set(Default<0>(int{}));
+        static_assert(std::is_default_constructible<decltype(set1)>{}, "");
+
+        auto set2 = hana::make_set(Default<0>(int{}), Default<1>(int{}));
+        static_assert(std::is_default_constructible<decltype(set2)>{}, "");
+
+        auto set3 = hana::make_set(Default<0>(int{}), NoDefault<1>(int{}), Default<2>(int{}));
+        static_assert(!std::is_default_constructible<decltype(set3)>{}, "");
+    }
+
+    {
+        auto set1 = hana::make_set(NoDefault<0>(int{}));
+        static_assert(!std::is_default_constructible<decltype(set1)>{}, "");
+
+        auto set2 = hana::make_set(NoDefault<0>(int{}), NoDefault<1>(int{}));
+        static_assert(!std::is_default_constructible<decltype(set2)>{}, "");
+
+        auto set3 = hana::make_set(NoDefault<0>(int{}), NoDefault<1>(int{}), NoDefault<2>(int{}));
+        static_assert(!std::is_default_constructible<decltype(set3)>{}, "");
+    }
+}
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