vendor/libc++/libc++-release_370-r246257

1 files changed, 92 insertions, 0 deletions

diff --git a/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.pass.cpp b/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.pass.cpp
new file mode 100644
index 0000000000000..ae849ca545580
--- /dev/null
+++ b/test/std/utilities/meta/meta.trans/meta.trans.other/aligned_union.pass.cpp
@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// type_traits
+
+// aligned_union<size_t Len, class ...Types>
+
+#include <type_traits>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+    {
+    typedef std::aligned_union<10, char >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, char>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 1, "");
+    static_assert(sizeof(T1) == 10, "");
+    }
+    {
+    typedef std::aligned_union<10, short >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, short>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 2, "");
+    static_assert(sizeof(T1) == 10, "");
+    }
+    {
+    typedef std::aligned_union<10, int >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, int>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 4, "");
+    static_assert(sizeof(T1) == 12, "");
+    }
+    {
+    typedef std::aligned_union<10, double >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, double>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 8, "");
+    static_assert(sizeof(T1) == 16, "");
+    }
+    {
+    typedef std::aligned_union<10, short, char >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, short, char>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 2, "");
+    static_assert(sizeof(T1) == 10, "");
+    }
+    {
+    typedef std::aligned_union<10, char, short >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<10, char, short>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 2, "");
+    static_assert(sizeof(T1) == 10, "");
+    }
+    {
+    typedef std::aligned_union<2, int, char, short >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<2, int, char, short>, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 4, "");
+    static_assert(sizeof(T1) == 4, "");
+    }
+    {
+    typedef std::aligned_union<2, char, int, short >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<2, char, int, short >, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 4, "");
+    static_assert(sizeof(T1) == 4, "");
+    }
+    {
+    typedef std::aligned_union<2, char, short, int >::type T1;
+#if _LIBCPP_STD_VER > 11
+    static_assert(std::is_same<std::aligned_union_t<2, char, short, int >, T1>::value, "" );
+#endif
+    static_assert(std::alignment_of<T1>::value == 4, "");
+    static_assert(sizeof(T1) == 4, "");
+    }
+#endif
+}