Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 27 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js b/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js
new file mode 100644
index 0000000000..8a25d34be6
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/delete/11.4.4-4.a-3-s-strict.js
@@ -0,0 +1,27 @@
+'use strict';
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    This test is actually testing the [[Delete]] internal method (8.12.8). Since the
+    language provides no way to directly exercise [[Delete]], the tests are placed here.
+esid: sec-delete-operator-runtime-semantics-evaluation
+description: >
+    delete operator throws TypeError when deleting a non-configurable
+    data property in strict mode
+flags: [onlyStrict]
+---*/
+
+var o = {};
+var desc = {
+  value: 1,
+}; // all other attributes default to false
+Object.defineProperty(o, 'foo', desc);
+
+// Now, deleting o.foo should throw TypeError because [[Configurable]] on foo is false.
+assert.throws(TypeError, function() {
+  delete o.foo;
+});
+
+reportCompare(0, 0);