1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/NativeErrors/AggregateError/message-undefined-no-prop.js b/js/src/tests/test262/built-ins/NativeErrors/AggregateError/message-undefined-no-prop.js
new file mode 100644
index 0000000000..80885b45ce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NativeErrors/AggregateError/message-undefined-no-prop.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-aggregate-error
+description: >
+  If message is undefined, no property will be set to the new instance
+info: |
+  AggregateError ( errors, message )
+
+  ...
+  5. If message is not undefined, then
+    a. Let msg be ? ToString(message).
+    b. Perform ! CreateMethodProperty(O, "message", msg).
+  6. Return O.
+features: [AggregateError]
+---*/
+
+var case1 = new AggregateError([], undefined);
+
+assert.sameValue(
+  Object.prototype.hasOwnProperty.call(case1, 'message'),
+  false,
+  'explicit'
+);
+
+var case2 = new AggregateError([]);
+
+assert.sameValue(
+  Object.prototype.hasOwnProperty.call(case2, 'message'),
+  false,
+  'implicit'
+);
+
+reportCompare(0, 0);