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// META: script=support-promises.js
/**
* This file contains a test that was separated out from the rest of the idb
* explict commit tests because it requires the flag 'allow_uncaught_exception',
* which prevents unintentionally thrown errors from failing tests.
*
* @author andreasbutler@google.com
*/
setup({allow_uncaught_exception:true});
promise_test(async testCase => {
// Register an event listener that will prevent the intentionally thrown
// error from bubbling up to the window and failing the testharness. This
// is necessary because currently allow_uncaught_exception does not behave
// as expected for promise_test.
//
// Git issue: https://github.com/web-platform-tests/wpt/issues/14041
self.addEventListener('error', (event) => { event.preventDefault(); });
const db = await createDatabase(testCase, async db => {
await createBooksStore(testCase, db);
});
const txn = db.transaction(['books'], 'readwrite');
const objectStore = txn.objectStore('books');
const putRequest = objectStore.put({isbn:'one', title:'title'});
txn.commit();
putRequest.onsuccess = () => {
throw new Error('This error thrown after an explicit commit should not ' +
'prevent the transaction from committing.');
}
await promiseForTransaction(testCase, txn);
// Ensure that despite the uncaught error after the put request, the explicit
// commit still causes the request to be committed.
const txn2 = db.transaction(['books'], 'readwrite');
const objectStore2 = txn2.objectStore('books');
const getRequest = objectStore2.get('one');
await promiseForTransaction(testCase, txn2);
assert_equals(getRequest.result.title, 'title');
}, 'Any errors in callbacks that run after an explicit commit will not stop '
+ 'the commit from being processed.');
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