1 files changed, 59 insertions, 0 deletions
diff --git a/libcxx/test/std/language.support/support.exception/except.nested/assign.pass.cpp b/libcxx/test/std/language.support/support.exception/except.nested/assign.pass.cpp
new file mode 100644
index 00000000000..cbe303c570d
--- /dev/null
+++ b/libcxx/test/std/language.support/support.exception/except.nested/assign.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <exception>
+
+// class nested_exception;
+
+// nested_exception& operator=(const nested_exception&) throw() = default;
+
+#include <exception>
+#include <cassert>
+
+class A
+{
+    int data_;
+public:
+    explicit A(int data) : data_(data) {}
+
+    friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;}
+};
+
+int main()
+{
+    {
+        std::nested_exception e0;
+        std::nested_exception e;
+        e = e0;
+        assert(e.nested_ptr() == nullptr);
+    }
+    {
+        try
+        {
+            throw A(2);
+            assert(false);
+        }
+        catch (const A&)
+        {
+            std::nested_exception e0;
+            std::nested_exception e;
+            e = e0;
+            assert(e.nested_ptr() != nullptr);
+            try
+            {
+                rethrow_exception(e.nested_ptr());
+                assert(false);
+            }
+            catch (const A& a)
+            {
+                assert(a == A(2));
+            }
+        }
+    }
+}