1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ShadowRealm/proto.js b/js/src/tests/test262/built-ins/ShadowRealm/proto.js
new file mode 100644
index 0000000000..5f0412fd7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ShadowRealm/proto.js
@@ -0,0 +1,18 @@
+// |reftest| shell-option(--enable-shadow-realms) skip-if(!xulRuntime.shell) -- requires shell-options
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-properties-of-the-shadowrealm-constructor
+description: >
+  The [[Prototype]] of ShadowRealm is Function.Prototype.
+info: |
+  Unless otherwise specified every built-in function and every built-in constructor
+  has the Function prototype object, which is the initial value of the expression
+  Function.prototype, as the value of its [[Prototype]] internal slot.
+
+features: [ShadowRealm]
+---*/
+
+assert.sameValue(Object.getPrototypeOf(ShadowRealm), Function.prototype);
+
+reportCompare(0, 0);