1 files changed, 37 insertions, 0 deletions
diff --git a/libcxx/test/std/containers/sequences/array/compare.three_way.verify.cpp b/libcxx/test/std/containers/sequences/array/compare.three_way.verify.cpp
new file mode 100644
index 000000000000..b7267ec9b932
--- /dev/null
+++ b/libcxx/test/std/containers/sequences/array/compare.three_way.verify.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// 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, c++17
+
+// <array>
+
+// template<class T, size_t N>
+//   constexpr synth-three-way-result<T>
+//     operator<=>(const array<T, N>& x, const array<T, N>& y);
+
+// arrays with different sizes should not compare
+
+#include <array>
+
+int main(int, char**) {
+  {
+    std::array a1{1};
+    std::array a2{1, 2};
+
+    // expected-error@*:* {{invalid operands to binary expression}}
+    a1 <=> a2;
+  }
+  {
+    std::array a1{1, 2};
+    std::array a2{1};
+
+    // expected-error@*:* {{invalid operands to binary expression}}
+    a1 <=> a2;
+  }
+
+  return 0;
+}