mozilla-central/testing/web-platform/tests/IndexedDB/transaction-requestqueue.any.js (file symbol)

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// META: title=IndexedDB Transaction Request Queue Handling
// META: global=window,worker
// META: script=resources/support.js
'use strict';
async_test(t => {
let db;
let keys = {txn: [], txn2: []};
let open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
let i;
let os;
db = e.target.result;
for (i = 1; i < 6; i++) {
os = db.createObjectStore('os' + i, {autoIncrement: true, keyPath: 'k'});
os.add({os: 'os' + i});
os.put({os: 'os' + i, k: i});
os.add({os: 'os' + i});
}
};
open_rq.onsuccess = function(e) {
let txn = db.transaction(['os2', 'os1', 'os3', 'os5'])
txn.objectStore('os1').openCursor().onsuccess = reg('txn')
txn.objectStore('os3').openCursor().onsuccess = reg('txn')
txn.objectStore('os1').get(2).onsuccess = reg('txn')
txn.objectStore('os2').get(3).onsuccess = reg('txn')
let txn2 = db.transaction(['os4', 'os3', 'os1', 'os5'])
let os4 = txn2.objectStore('os4')
for (let i = 0; i < 3; i++) {
os4.openCursor().onsuccess = reg('txn2')
os4.get(5).onsuccess = reg('txn2')
os4.get(4).onsuccess = reg('txn2')
txn.objectStore('os2').get(1).onsuccess = reg('txn')
txn2.objectStore('os3').get(1).onsuccess = reg('txn2')
}
txn2.objectStore('os1').get(2).onsuccess = reg('txn2')
txn.objectStore('os1').openCursor(null, 'prev').onsuccess = reg('txn')
os4.openCursor(null, 'prev').onsuccess = reg('txn2')
txn.oncomplete = t.step_func(finish);
txn2.oncomplete = t.step_func(finish);
};
function reg(n) {
return t.step_func(function(e) {
let v = e.target.result;
if (v.value)
v = v.value;
keys[n].push(v.os + ': ' + v.k);
});
}
let finish_to_go = 2;
function finish() {
if (--finish_to_go)
return;
assert_array_equals(
keys['txn'],
[
'os1: 1',
'os3: 1',
'os1: 2',
'os2: 3',
'os2: 1',
'os2: 1',
'os2: 1',
'os1: 2',
],
'transaction keys');
assert_array_equals(
keys['txn2'],
[
'os4: 1',
'os4: 5',
'os4: 4',
'os3: 1',
'os4: 1',
'os4: 5',
'os4: 4',
'os3: 1',
'os4: 1',
'os4: 5',
'os4: 4',
'os3: 1',
'os1: 2',
'os4: 5',
],
'transaction 2 keys');
t.done();
}
}, 'Transactions have a request queue');