Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 23 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/delete/11.4.1-4-a-1-s-strict.js b/js/src/tests/test262/language/expressions/delete/11.4.1-4-a-1-s-strict.js
new file mode 100644
index 0000000000..4bde0ebeee
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/delete/11.4.1-4-a-1-s-strict.js
@@ -0,0 +1,23 @@
+'use strict';
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-delete-operator-runtime-semantics-evaluation
+description: >
+    Strict Mode - TypeError is thrown when deleting non-configurable
+    data property
+flags: [onlyStrict]
+---*/
+
+var obj = {};
+Object.defineProperty(obj, 'prop', {
+  value: 'abc',
+  configurable: false,
+});
+assert.throws(TypeError, function() {
+  delete obj.prop;
+});
+assert.sameValue(obj.prop, 'abc', 'obj.prop');
+
+reportCompare(0, 0);