diff options
| 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 /dom/base/test/test_window_extensible.html | |
| parent | Initial commit. (diff) | |
| download | firefox-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 'dom/base/test/test_window_extensible.html')
| -rw-r--r-- | dom/base/test/test_window_extensible.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/base/test/test_window_extensible.html b/dom/base/test/test_window_extensible.html new file mode 100644 index 0000000000..ddc6e0d3d0 --- /dev/null +++ b/dom/base/test/test_window_extensible.html @@ -0,0 +1,46 @@ +<!DOCTYPE html> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=856384 +--> +<head> + <meta charset="UTF-8"> + <title>Test for Bug 856384</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=856384">Mozilla Bug 856384</a> +<p id="display"></p> +<div id="content" style="display: none"> +</div> +<iframe name="constructor" src="about:blank"></iframe> +<pre id="test"> +<script type="application/javascript"> +SimpleTest.waitForExplicitFinish(); + +function run() +{ + is(Object.isExtensible(window), true, "Windows are extensible by default"); + + try + { + Object.preventExtensions(window); + throw "didn't throw"; + } + catch (e) + { + is(e instanceof TypeError, true, + "preventExtensions(window) should throw a TypeError, instead got: " + e); + is(Object.isExtensible(window), true, + 'Windows are extensible after an extensibility "change" attempt'); + } + + SimpleTest.finish(); +} + +window.addEventListener("load", run); +</script> +</pre> +</body> +</html> |