Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 26 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-5.js b/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-5.js
new file mode 100644
index 0000000000..da68d598ac
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-5.js
@@ -0,0 +1,26 @@
+// 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 returns false when deleting the declaration of the environment object
+    inside 'with'
+flags: [noStrict]
+---*/
+
+var o = new Object();
+o.x = 1;
+var d;
+with(o) {
+  d = delete o;
+}
+
+assert.sameValue(d, false, 'd');
+assert.sameValue(typeof o, 'object', 'typeof(o)');
+assert.sameValue(o.x, 1, 'o.x');
+
+reportCompare(0, 0);