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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 /dom/base/test/test_window_proto.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_proto.html')
| -rw-r--r-- | dom/base/test/test_window_proto.html | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/dom/base/test/test_window_proto.html b/dom/base/test/test_window_proto.html new file mode 100644 index 0000000000..944f953bc4 --- /dev/null +++ b/dom/base/test/test_window_proto.html @@ -0,0 +1,17 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Test for ...</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="log"></div> +<script> +test(function() { + assert_throws(new TypeError, function() { + Object.setPrototypeOf(window, Object.create(window)); + }, "Setting prototype via setPrototypeOf"); + + assert_throws(new TypeError, function() { + window.__proto__ = Object.create(window); + }, "Setting prototype via __proto__"); +}, "Setting the prototype of a window to something that has the window on its proto chain should throw"); +</script> |