Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- Manifest: dom/localstorage/test/unit/xpcshell.toml
/**
* Any copyright is dedicated to the Public Domain.
*/
add_task(async function testSteps() {
const globalLimitKB = 5 * 1024;
const data = {};
data.sizeKB = 1 * 1024;
data.key = "A";
data.value = repeatChar(data.sizeKB * 1024 - data.key.length, ".");
data.urlCount = globalLimitKB / data.sizeKB;
function getSpec(index) {
}
info("Setting prefs");
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);
info("Getting storages");
let storages = [];
for (let i = 0; i < data.urlCount; i++) {
let storage = getLocalStorage(getPrincipal(getSpec(i)));
storages.push(storage);
}
info("Filling up entire default storage");
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 < data.urlCount; 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("Closing first origin");
storages[0].close();
request = resetClient(principal);
await requestFinished(request);
info("Getting usage for first origin");
request = getOriginUsage(principal);
await requestFinished(request);
is(request.result.usage, data.sizeKB * 1024, "Correct usage");
info("Verifying more data data can be written");
for (let i = 1; i < data.urlCount; i++) {
storages[i].setItem("B", "");
}
info("Getting usage for first origin");
request = getOriginUsage(principal);
await requestFinished(request);
is(request.result.usage, 0, "Zero usage");
});