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-rw-r--r--test/libcxx/utilities/optional/optional.object/optional.object.ctor/copy.pass.cpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/test/libcxx/utilities/optional/optional.object/optional.object.ctor/copy.pass.cpp b/test/libcxx/utilities/optional/optional.object/optional.object.ctor/copy.pass.cpp
new file mode 100644
index 000000000000..62eb6cd34880
--- /dev/null
+++ b/test/libcxx/utilities/optional/optional.object/optional.object.ctor/copy.pass.cpp
@@ -0,0 +1,59 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+
+// <optional>
+
+// optional(const optional<T>& rhs);
+
+#include <optional>
+#include <string>
+#include <type_traits>
+
+using std::optional;
+
+struct X {};
+
+struct Y
+{
+ Y() = default;
+ Y(const Y&) {}
+};
+
+struct Z
+{
+ Z() = default;
+ Z(Z&&) = delete;
+ Z(const Z&) = delete;
+ Z& operator=(Z&&) = delete;
+ Z& operator=(const Z&) = delete;
+};
+
+int main()
+{
+ {
+ using T = int;
+ static_assert((std::is_trivially_copy_constructible<optional<T>>::value), "");
+ constexpr optional<T> opt;
+ constexpr optional<T> opt2 = opt;
+ (void)opt2;
+ }
+ {
+ using T = X;
+ static_assert((std::is_trivially_copy_constructible<optional<T>>::value), "");
+ constexpr optional<T> opt;
+ constexpr optional<T> opt2 = opt;
+ (void)opt2;
+ }
+ static_assert(!(std::is_trivially_copy_constructible<optional<Y>>::value), "");
+ static_assert(!(std::is_trivially_copy_constructible<optional<std::string>>::value), "");
+
+ static_assert(!(std::is_copy_constructible<optional<Z>>::value), "");
+}