Initial commit

module/jni/libcxx/test/std/utilities/optional/optional.nullopt/nullopt_t.compile.fail.cpp

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+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14
+// <optional>
+
+// struct nullopt_t{see below};
+// inline constexpr nullopt_t nullopt(unspecified);
+
+// [optional.nullopt]/2:
+//   Type nullopt_t shall not have a default constructor or an initializer-list
+//   constructor, and shall not be an aggregate.
+
+#include <optional>
+
+int main(int, char**)
+{
+    std::nullopt_t n = {};
+
+  return 0;
+}

module/jni/libcxx/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp

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+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14
+// <optional>
+
+// struct nullopt_t{see below};
+// inline constexpr nullopt_t nullopt(unspecified);
+
+// [optional.nullopt]/2:
+//   Type nullopt_t shall not have a default constructor or an initializer-list
+//   constructor, and shall not be an aggregate.
+
+#include <optional>
+#include <type_traits>
+
+#include "test_macros.h"
+
+using std::nullopt_t;
+using std::nullopt;
+
+constexpr bool test()
+{
+    nullopt_t foo{nullopt};
+    (void)foo;
+    return true;
+}
+
+int main(int, char**)
+{
+    static_assert(std::is_empty_v<nullopt_t>);
+    static_assert(!std::is_default_constructible_v<nullopt_t>);
+
+    static_assert(std::is_same_v<const nullopt_t, decltype(nullopt)>);
+    static_assert(test());
+
+  return 0;
+}