From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/src/tests/non262/object/extensibility-01.js | 103 +++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 js/src/tests/non262/object/extensibility-01.js

(limited to 'js/src/tests/non262/object/extensibility-01.js')

diff --git a/js/src/tests/non262/object/extensibility-01.js b/js/src/tests/non262/object/extensibility-01.js
new file mode 100644
index 0000000000..c001f38254
--- /dev/null
+++ b/js/src/tests/non262/object/extensibility-01.js
@@ -0,0 +1,103 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ *   Jeff Walden <jwalden+code@mit.edu>
+ */
+
+var gTestfile = '15.2.3.10-01.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 492849;
+var summary = 'ES5: Implement Object.preventExtensions, Object.isExtensible';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function trySetProperty(o, p, v, strict)
+{
+  function strictSetProperty()
+  {
+    "use strict";
+    o[p] = v;
+  }
+
+  function setProperty()
+  {
+    o[p] = v;
+  }
+
+  assertEq(Object.prototype.hasOwnProperty.call(o, p), false);
+
+  try
+  {
+    if (strict)
+      strictSetProperty();
+    else
+      setProperty();
+    if (o[p] === v)
+      return "set";
+    if (p in o)
+      return "set-converted";
+    return "swallowed";
+  }
+  catch (e)
+  {
+    return "throw";
+  }
+}
+
+function tryDefineProperty(o, p, v)
+{
+  assertEq(Object.prototype.hasOwnProperty.call(o, p), false);
+
+  try
+  {
+    Object.defineProperty(o, p, { value: v });
+    if (o[p] === v)
+      return "set";
+    if (p in o)
+      return "set-converted";
+    return "swallowed";
+  }
+  catch (e)
+  {
+    return "throw";
+  }
+}
+
+assertEq(typeof Object.preventExtensions, "function");
+assertEq(Object.preventExtensions.length, 1);
+
+var slowArray = [1, 2, 3];
+slowArray.slow = 5;
+var objs =
+  [{}, { 1: 2 }, { a: 3 }, [], [1], [, 1], slowArray, function a(){}, /a/];
+
+for (var i = 0, sz = objs.length; i < sz; i++)
+{
+  var o = objs[i];
+  assertEq(Object.isExtensible(o), true, "object " + i + " not extensible?");
+
+  var o2 = Object.preventExtensions(o);
+  assertEq(o, o2);
+
+  assertEq(Object.isExtensible(o), false, "object " + i + " is extensible?");
+
+  assertEq(trySetProperty(o, "baz", 17, true), "throw",
+           "unexpected behavior for strict-mode property-addition to " +
+           "object " + i);
+  assertEq(trySetProperty(o, "baz", 17, false), "swallowed",
+           "unexpected behavior for property-addition to object " + i);
+
+  assertEq(tryDefineProperty(o, "baz", 17), "throw",
+           "unexpected behavior for new property definition on object " + i);
+}
+
+/******************************************************************************/
+
+reportCompare(true, true);
+
+print("All tests passed!");
-- 
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