diff options
Diffstat (limited to 'dom/tests/mochitest/bugs/test_bug848088.html')
| -rw-r--r-- | dom/tests/mochitest/bugs/test_bug848088.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/dom/tests/mochitest/bugs/test_bug848088.html b/dom/tests/mochitest/bugs/test_bug848088.html new file mode 100644 index 0000000000..24c43c421a --- /dev/null +++ b/dom/tests/mochitest/bugs/test_bug848088.html @@ -0,0 +1,48 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=848088 +--> +<head> + <meta charset="utf-8"> + <title>Test for Bug 848088</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <script type="application/javascript"> + + /** Test for Bug 848088 **/ + +function test(loopFor, setExpandoAt) +{ + var list = document.getElementsByTagName("audio"); + delete list.length; + var shouldHaveExpando = false; + var realLength = list.length; + for (var i = 0; i < loopFor; ++i) { + if (i == setExpandoAt) { + // Add an expando that shadows. + Object.defineProperty(list, "length", { value: "a" }); + shouldHaveExpando = true; + } + var hasExpando = (list.length != realLength); + if (shouldHaveExpando != hasExpando) { + return false; + } + } + return true; +} + +ok(test(200000, 100000), "Correctly detected expando on DOM list object"); + + </script> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=848088">Mozilla Bug 848088</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +</pre> +</body> +</html> |