Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/js/src/tests/test262/harness/propertyhelper-verifywritable-writable.js b/js/src/tests/test262/harness/propertyhelper-verifywritable-writable.js
new file mode 100644
index 0000000000..8d2b69651b
--- /dev/null
+++ b/js/src/tests/test262/harness/propertyhelper-verifywritable-writable.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Objects whose specified property is writable satisfy the assertion.
+includes: [propertyHelper.js]
+---*/
+var obj = {};
+
+Object.defineProperty(obj, 'a', {
+  writable: true,
+  value: 123
+});
+
+verifyWritable(obj, 'a');
+
+if (obj.a !== 123) {
+  throw new Error('`verifyWritable` should be non-destructive.');
+}
+
+reportCompare(0, 0);