gecko/dom/tests/mochitest/localstorage/test_storageConstructor.html

36 lines
927 B
HTML

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Storage interface</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript">
function startTest()
{
var functionCalled = false;
is(localStorage instanceof Storage, true, "localStorage is instance of Storage");
Storage.prototype.exists = function(key) {
functionCalled = true;
return this.getItem(key) != null;
}
localStorage.setItem("test_prototype", "value");
is(functionCalled, false, "Overridden function not called");
is(localStorage.exists("test_prototype"), true, "Prototype overridden");
is(functionCalled, true, "Overridden function called");
localStorage.clear();
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body onload="startTest();">
</body>
</html>