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firefox/dom/tests/mochitest/sessionstorage/test_sessionStorageUsage.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>sessionStorage basic test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript">
function setup() {
sessionStorage.clear();
SimpleTest.executeSoon(startTest);
}
function startTest()
{
var util = SpecialPowers.getDOMWindowUtils(window);
// Check initial state.
is(sessionStorage.length, 0, "storage is empty");
is(util.getStorageUsage(sessionStorage), 0, "usage is zero");
// Add some data.
sessionStorage.setItem("one", "data");
var usage = util.getStorageUsage(sessionStorage);
ok(usage > 0, "storage contains data");
// Add some more data.
sessionStorage.setItem("two", "data");
ok(usage < util.getStorageUsage(sessionStorage), "storage size grew");
// Remove data.
sessionStorage.removeItem("two");
is(util.getStorageUsage(sessionStorage), usage, "storage size shrunk");
// Cleanup.
sessionStorage.clear();
is(sessionStorage.length, 0, "storage is empty");
is(util.getStorageUsage(sessionStorage), 0, "usage is zero");
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body onload="setup();">
</body>
</html>