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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html')
| -rw-r--r-- | testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html b/testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html new file mode 100644 index 0000000000..97a156290a --- /dev/null +++ b/testing/web-platform/tests/html/browsers/the-windowproxy-exotic-object/windowproxy-prevent-extensions.html @@ -0,0 +1,21 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>[[PreventExtensions]] on a WindowProxy object should return false</title> +<link rel="help" href="https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-preventextensions"> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<script> +"use strict"; + +test(() => { + assert_throws_js(TypeError, () => { + Object.preventExtensions(window); + }); +}, "Object.preventExtensions throws a TypeError"); + +test(() => { + assert_false(Reflect.preventExtensions(window)); +}, "Reflect.preventExtensions returns false"); +</script> |