1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-functions-share-no-properties.js b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-functions-share-no-properties.js
new file mode 100644
index 0000000000..2f1744b1aa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-functions-share-no-properties.js
@@ -0,0 +1,31 @@
+// |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-shadowrealm.prototype.evaluate
+description: >
+  ShadowRealm.prototype.evaluate wrapped functions share no properties
+features: [ShadowRealm]
+---*/
+
+assert.sameValue(
+  typeof ShadowRealm.prototype.evaluate,
+  'function',
+  'This test must fail if ShadowRealm.prototype.evaluate is not a function'
+);
+
+const r = new ShadowRealm();
+
+const wrapped = r.evaluate(`
+function fn() {
+    return fn.secret;
+}
+
+fn.secret = 'confidential';
+fn;
+`);
+
+assert.sameValue(wrapped.secret, undefined);
+assert.sameValue(wrapped(), 'confidential');
+
+reportCompare(0, 0);