Initial commit

module/jni/libcxx/test/std/containers/sequences/array/empty.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
+//
+//===----------------------------------------------------------------------===//
+
+// <array>
+
+// class array
+
+// constexpr bool empty() const noexcept;
+
+#include <array>
+#include <cassert>
+
+#include "test_macros.h"
+
+TEST_CONSTEXPR_CXX14 bool tests()
+{
+    {
+        typedef std::array<int, 2> C;
+        C c = {};
+        ASSERT_NOEXCEPT(c.empty());
+        assert(!c.empty());
+    }
+    {
+        typedef std::array<int, 0> C;
+        C c = {};
+        ASSERT_NOEXCEPT(c.empty());
+        assert(c.empty());
+    }
+
+    return true;
+}
+
+int main(int, char**)
+{
+    tests();
+#if TEST_STD_VER >= 14
+    static_assert(tests(), "");
+#endif
+
+#if TEST_STD_VER >= 11
+    // Sanity check for constexpr in C++11
+    {
+        constexpr std::array<int, 3> array = {};
+        static_assert(!array.empty(), "");
+    }
+#endif
+
+    return 0;
+}