Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 35 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-168.js b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-168.js
new file mode 100644
index 0000000000..5454f79f69
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-168.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.7-6-a-168
+description: >
+    Object.defineProperties - 'O' is an Array, 'P' is the length
+    property of 'O', the [[Value]] field of 'desc' is less than value
+    of  the length property, test the [[Configurable]] attribute of
+    own data property with large index named in 'O' that overrides
+    inherited data property can stop deleting index named properties
+    (15.4.5.1 step 3.l.ii)
+---*/
+
+var arr = [0, 1];
+
+assert.throws(TypeError, function() {
+  Object.defineProperty(arr, "1", {
+    configurable: false
+  });
+
+  Array.prototype[1] = 2;
+
+  Object.defineProperties(arr, {
+    length: {
+      value: 1
+    }
+  });
+});
+assert.sameValue(arr.length, 2, 'arr.length');
+assert(arr.hasOwnProperty("1"), 'arr.hasOwnProperty("1") !== true');
+assert.sameValue(arr[0], 0, 'arr[0]');
+assert.sameValue(arr[1], 1, 'arr[1]');
+
+reportCompare(0, 0);