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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js')
-rw-r--r--js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js
new file mode 100644
index 0000000000..39195e7b89
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-undefined-strict-strict.js
@@ -0,0 +1,34 @@
+'use strict';
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.10
+description: >
+ [[Delete]] (P)
+
+ 8. If trap is undefined, then Return target.[[Delete]](P).
+flags: [onlyStrict]
+features: [Proxy, Reflect]
+---*/
+
+var target = {
+ attr: 1
+};
+var p = new Proxy(target, {});
+
+assert.sameValue(delete p.attr, true);
+assert.sameValue(delete p.notThere, true);
+assert.sameValue(
+ Object.getOwnPropertyDescriptor(target, "attr"),
+ undefined
+);
+
+Object.defineProperty(target, "attr", {
+ configurable: false,
+ enumerable: true,
+ value: 1
+});
+
+assert.sameValue(Reflect.deleteProperty(p, "attr"), false);
+
+reportCompare(0, 0);