66 lines
2.5 KiB
JavaScript
66 lines
2.5 KiB
JavaScript
// META: title=Index Tombstones
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// META: script=resources/support-promises.js
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// This test is used to trigger a special case in Chrome with how it deals with
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// index creation & modification. This had caused issues before.
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// See https://crbug.com/1033996
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async function iterateAndReturnAllCursorResult(testCase, cursorRequest) {
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return new Promise((resolve, reject) => {
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let results = [];
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cursorRequest.onsuccess = testCase.step_func(function(event) {
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const cursor = event.target.result;
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if (!cursor) {
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resolve(results);
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return;
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}
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results.push(cursor.value);
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cursor.continue();
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});
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cursorRequest.onerror = reject;
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});
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}
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async function createTombstones(testCase, db) {
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const txn1 = db.transaction(['objectStore'], 'readwrite');
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txn1.objectStore('objectStore').add({key: 'firstItem', indexedOn: 1});
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txn1.objectStore('objectStore').add({key: 'secondItem', indexedOn: 2});
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txn1.objectStore('objectStore').add({key: 'thirdItem', indexedOn: 3});
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const txn2 = db.transaction(['objectStore'], 'readwrite');
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txn2.objectStore('objectStore').put({key: 'firstItem', indexedOn: -10});
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txn2.objectStore('objectStore').put({key: 'secondItem', indexedOn: 4});
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txn2.objectStore('objectStore').put({key: 'thirdItem', indexedOn: 10});
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await promiseForTransaction(testCase, txn1);
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await promiseForTransaction(testCase, txn2);
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}
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async function run_test(testCase, transactionMode, direction) {
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const db = await createDatabase(testCase, db => {
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db.createObjectStore('objectStore', {keyPath: 'key'})
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.createIndex('index', 'indexedOn');
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});
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await createTombstones(testCase, db);
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const txn = db.transaction(['objectStore'], transactionMode);
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cursor = txn.objectStore('objectStore').index('index').openCursor(
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IDBKeyRange.bound(-11, 11), direction);
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let results = await iterateAndReturnAllCursorResult(testCase, cursor);
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assert_equals(results.length, 3);
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db.close();
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}
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promise_test(async testCase => {
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await run_test(testCase, 'readonly', 'next');
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}, 'Forward iteration over an index in a readonly transaction');
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promise_test(async testCase => {
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await run_test(testCase, 'readonly', 'prev');
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}, 'Backward iteration over an index in a readonly transaction');
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promise_test(async testCase => {
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await run_test(testCase, 'readwrite', 'next');
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}, 'Forward iteration over an index in a readwrite transaction');
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promise_test(async testCase => {
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await run_test(testCase, 'readwrite', 'prev');
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}, 'Backward iteration over an index in a readwrite transaction');
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