IndexedDB/upgrade-transaction-deactivation-timing.any.js

// META: title=Upgrade transaction deactivation timing
// META: global=window,worker
// META: script=resources/support.js
// META: script=resources/support-promises.js

// Spec: "https://w3c.github.io/IndexedDB/#upgrade-transaction-steps"

'use strict';

indexeddb_test(
    (t, db, tx) => {
        db.createObjectStore('store');
        assert_true(is_transaction_active(tx, 'store'),
            'Transaction should be active in upgradeneeded callback');
    },
    (t, db) => { t.done(); },
    'Upgrade transactions are active in upgradeneeded callback');

indexeddb_test(
    (t, db, tx) => {
        db.createObjectStore('store');
        assert_true(is_transaction_active(tx, 'store'),
            'Transaction should be active in upgradeneeded callback');

        Promise.resolve().then(t.step_func(() => {
            assert_true(is_transaction_active(tx, 'store'),
                'Transaction should be active in microtask checkpoint');
        }));
    },
    (t, db) => { t.done(); },
    'Upgrade transactions are active in upgradeneeded callback and microtasks');


indexeddb_test(
    (t, db, tx) => {
        db.createObjectStore('store');
        const release_tx = keep_alive(tx, 'store');

        setTimeout(t.step_func(() => {
            assert_false(is_transaction_active(tx, 'store'),
                'Transaction should be inactive in next task');
            release_tx();
        }), 0);
    },
    (t, db) => { t.done(); },
    'Upgrade transactions are deactivated before next task');