1 files changed, 40 insertions, 0 deletions
diff --git a/libcxx/test/libcxx-03/depr/exception.unexpected/set_unexpected.pass.cpp b/libcxx/test/libcxx-03/depr/exception.unexpected/set_unexpected.pass.cpp
new file mode 100644
index 000000000000..f428790f6cc9
--- /dev/null
+++ b/libcxx/test/libcxx-03/depr/exception.unexpected/set_unexpected.pass.cpp
@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// test set_unexpected
+
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
+
+#include <exception>
+#include <cassert>
+#include <cstdlib>
+
+#include "test_macros.h"
+
+void f1() {}
+void f2() {}
+
+void f3()
+{
+    std::exit(0);
+}
+
+int main(int, char**)
+{
+    std::unexpected_handler old = std::set_unexpected(f1);
+    // verify there is a previous unexpected handler
+    assert(old);
+    // verify f1 was replace with f2
+    assert(std::set_unexpected(f2) == f1);
+    // verify calling original unexpected handler calls terminate
+    std::set_terminate(f3);
+    (*old)();
+    assert(0);
+
+  return 0;
+}