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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/base/test/test_window_proto.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
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 000000000..944f953bc --- /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> |