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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /js/xpconnect/tests/mochitest/test_bug793969.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/mochitest/test_bug793969.html')
| -rw-r--r-- | js/xpconnect/tests/mochitest/test_bug793969.html | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_bug793969.html b/js/xpconnect/tests/mochitest/test_bug793969.html new file mode 100644 index 0000000000..1d06d65904 --- /dev/null +++ b/js/xpconnect/tests/mochitest/test_bug793969.html @@ -0,0 +1,53 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=793969 +--> +<head> + <meta charset="utf-8"> + <title>Test for Bug 793969</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=793969">Mozilla Bug 793969</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 793969 **/ +function checkThrows(f, desc, skipMessageCheck) { + try { + f(); + ok(false, "Should have thrown for " + desc); + } catch (e) { + ok(true, "threw correctly"); + if (!skipMessageCheck) + ok(/denied/.exec(e) || + /can't redefine non-configurable property/.exec(e), + "Correctly threw a security exception: " + e); + } +} + +// NB: These sets will be no-ops (throw in strict mode) because setting an inherited readonly value prop has those semantics. +checkThrows(function() { "use strict"; location.valueOf = 'hah'; }, 'Shadow with string', /* skipMessageCheck = */ true); +checkThrows(function() { "use strict"; location.valueOf = function() { return {a: 'hah'};} }, 'Shadow with function', /* skipMessageCheck = */ true); +checkThrows(function() { Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'defineProperty with value'); +checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'delete + defineProperty with value'); +checkThrows(function() { Object.defineProperty(location, 'valueOf', { get: function() { return 'hah'; } }); }, 'defineProperty with getter'); +checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { get: function() { return 'hah'; } }); }, 'delete + defineProperty with getter'); + +Object.prototype.valueOf = function() { return 'hah'; }; +is(({}).valueOf(), 'hah', "Shadowing on Object.prototype works for vanilla objects"); +is(location.valueOf(), location, "Shadowing on Object.prototype and Location.prototype doesn't for location objects"); + +location[Symbol.toPrimitive] = function() { return 'hah'; } +is(location + "", location.toString(), "Should't be able to shadow with toPrimitive"); + +</script> +</pre> +</body> +</html> |