1 files changed, 95 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/detail/ebo.cpp b/src/boost/libs/hana/test/detail/ebo.cpp
new file mode 100644
index 000000000..6f174be40
--- /dev/null
+++ b/src/boost/libs/hana/test/detail/ebo.cpp
@@ -0,0 +1,95 @@
+// Copyright Louis Dionne 2013-2016
+// 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/detail/ebo.hpp>
+
+#include <boost/hana/assert.hpp>
+
+#include <string>
+#include <type_traits>
+#include <utility>
+namespace hana = boost::hana;
+using hana::detail::ebo;
+
+
+template <int> struct empty { };
+template <int> struct idx;
+#ifdef BOOST_HANA_WORKAROUND_MSVC_EMPTYBASE
+template <typename ...Bases> struct __declspec(empty_bases) inherit : Bases... { };
+#else
+template <typename ...Bases> struct inherit : Bases... { };
+#endif
+
+static_assert(sizeof(inherit<>) == sizeof(inherit<ebo<idx<0>, empty<0>>>), "");
+static_assert(sizeof(inherit<>) == sizeof(inherit<ebo<idx<0>, empty<0>>, ebo<idx<1>, empty<1>>>), "");
+static_assert(sizeof(inherit<>) == sizeof(inherit<ebo<idx<0>, empty<0>>, ebo<idx<1>, empty<1>>, ebo<idx<2>, empty<2>>>), "");
+
+
+int main() {
+    // Test default-construction
+    {
+        constexpr ebo<idx<0>, int> e;
+        static_assert(hana::detail::ebo_get<idx<0>>(e) == 0, "");
+    }
+
+    // Test construction of a non-empty object
+    {
+        ebo<idx<0>, std::string> e{"foobar"};
+        BOOST_HANA_RUNTIME_CHECK(hana::detail::ebo_get<idx<0>>(e) == "foobar");
+    }
+
+    {
+        ebo<idx<0>, std::string> e{};
+        BOOST_HANA_RUNTIME_CHECK(hana::detail::ebo_get<idx<0>>(e) == "");
+    }
+
+    // Test construction of a non default-constructible type
+    {
+        struct nodefault {
+            nodefault() = delete;
+            explicit nodefault(char const*) { }
+        };
+        ebo<idx<0>, nodefault> e{"foobar"};
+    }
+
+    // Get lvalue, const lvalue and rvalue with a non-empty type
+    {
+        ebo<idx<0>, std::string> e{"foobar"};
+        std::string& s = hana::detail::ebo_get<idx<0>>(e);
+        BOOST_HANA_RUNTIME_CHECK(s == "foobar");
+        s = "foobaz";
+        BOOST_HANA_RUNTIME_CHECK(hana::detail::ebo_get<idx<0>>(e) == "foobaz");
+    }
+
+    {
+        ebo<idx<0>, std::string> const e{"foobar"};
+        std::string const& s = hana::detail::ebo_get<idx<0>>(e);
+        BOOST_HANA_RUNTIME_CHECK(s == "foobar");
+    }
+
+    {
+        ebo<idx<0>, std::string> e{"foobar"};
+        std::string&& s = hana::detail::ebo_get<idx<0>>(std::move(e));
+        BOOST_HANA_RUNTIME_CHECK(s == "foobar");
+    }
+
+    // Get lvalue, const lvalue and rvalue with an empty type
+    {
+        ebo<idx<0>, empty<0>> e{};
+        empty<0>& s = hana::detail::ebo_get<idx<0>>(e);
+        (void)s;
+    }
+
+    {
+        ebo<idx<0>, empty<0>> const e{};
+        empty<0> const& s = hana::detail::ebo_get<idx<0>>(e);
+        (void)s;
+    }
+
+    {
+        ebo<idx<0>, empty<0>> e{};
+        empty<0>&& s = hana::detail::ebo_get<idx<0>>(std::move(e));
+        (void)s;
+    }
+}