1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/seal/seal-asyncgeneratorfunction.js b/js/src/tests/test262/built-ins/Object/seal/seal-asyncgeneratorfunction.js
new file mode 100644
index 0000000000..d92e188b5d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/seal/seal-asyncgeneratorfunction.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.seal
+description: >
+    Object.seal AsyncGeneratorFunction
+info: |
+  If Type(O) is not Object, return O.
+  Let status be ? SetIntegrityLevel(O, sealed).
+
+  SetIntegrityLevel ( O, level )
+
+  Assert: Type(O) is Object.
+  Assert: level is either sealed or frozen.
+  Let status be ? O.[[PreventExtensions]]().
+  If status is false, return false.
+  Let keys be ? O.[[OwnPropertyKeys]]().
+  If level is sealed, then
+    For each element k of keys, do
+      Perform ? DefinePropertyOrThrow(O, k, PropertyDescriptor { [[Configurable]]: false }).
+  Else,
+    Assert: level is frozen.
+    For each element k of keys, do
+      Let currentDesc be ? O.[[GetOwnProperty]](k).
+      If currentDesc is not undefined, then
+        If IsAccessorDescriptor(currentDesc) is true, then
+          Let desc be the PropertyDescriptor { [[Configurable]]: false }.
+        Else,
+          Let desc be the PropertyDescriptor { [[Configurable]]: false, [[Writable]]: false }.
+        Perform ? DefinePropertyOrThrow(O, k, desc).
+  Return true.
+
+---*/
+
+Object.seal(new (Object.getPrototypeOf(async function * () {}).constructor)());
+
+reportCompare(0, 0);