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firefox/dom/localstorage/test/unit/test_groupLimit.js
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

85 lines
2 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
add_task(async function testSteps() {
const groupLimitKB = 10 * 1024;
const globalLimitKB = groupLimitKB * 5;
const originLimit = 10 * 1024;
const urls = [
"http://example.com",
"http://test1.example.com",
"https://test2.example.com",
"http://test3.example.com:8080",
];
const data = {};
data.sizeKB = 5 * 1024;
data.key = "A";
data.value = repeatChar(data.sizeKB * 1024 - data.key.length, ".");
data.urlCount = groupLimitKB / data.sizeKB;
info("Setting pref");
Services.prefs.setBoolPref(
"dom.storage.enable_unsupported_legacy_implementation",
false
);
Services.prefs.setBoolPref("dom.storage.snapshot_reusing", false);
info("Setting limits");
setGlobalLimit(globalLimitKB);
let request = clear();
await requestFinished(request);
setOriginLimit(originLimit);
info("Getting storages");
let storages = [];
for (let i = 0; i < urls.length; i++) {
let storage = getLocalStorage(getPrincipal(urls[i]));
storages.push(storage);
}
info("Filling up the whole group");
for (let i = 0; i < data.urlCount; i++) {
storages[i].setItem(data.key, data.value);
await returnToEventLoop();
}
info("Verifying no more data can be written");
for (let i = 0; i < urls.length; i++) {
try {
storages[i].setItem("B", "");
ok(false, "Should have thrown");
} catch (ex) {
ok(true, "Did throw");
ok(DOMException.isInstance(ex), "Threw DOMException");
is(ex.name, "QuotaExceededError", "Threw right DOMException");
is(ex.code, NS_ERROR_DOM_QUOTA_EXCEEDED_ERR, "Threw with right code");
}
}
info("Clearing first origin");
storages[0].clear();
// Let the internal snapshot finish (usage is not descreased until all
// snapshots finish)..
await returnToEventLoop();
info("Verifying more data can be written");
for (let i = 0; i < urls.length; i++) {
storages[i].setItem("B", "");
}
});