Srujan Gaddam
47e495a89a
Change-Id: Ie43d3f4610eb01cfc800556f30e93514a7ac1ac5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/139498 Reviewed-by: Sigmund Cherem <sigmund@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>
121 lines
3.8 KiB
Dart
121 lines
3.8 KiB
Dart
library IndexedDB4Test;
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import 'package:async_helper/async_minitest.dart';
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import 'dart:async';
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import 'dart:html' as html;
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import 'dart:indexed_db';
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// Test for KeyRange and Cursor.
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const String DB_NAME = 'Test4';
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const String STORE_NAME = 'TEST';
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const int VERSION = 1;
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Future<Database> createAndOpenDb() {
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return html.window.indexedDB.deleteDatabase(DB_NAME).then((_) {
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return html.window.indexedDB.open(DB_NAME, version: VERSION,
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onUpgradeNeeded: (e) {
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var db = e.target.result;
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db.createObjectStore(STORE_NAME);
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});
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});
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}
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Future<Database> writeItems(Database db) {
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Future<Object> write(index) {
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var transaction = db.transaction(STORE_NAME, 'readwrite');
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return transaction
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.objectStore(STORE_NAME)
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.put({'content': 'Item $index'}, index);
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}
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var future = write(0);
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for (var i = 1; i < 100; ++i) {
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future = future.then((_) => write(i));
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}
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// Chain on the DB so we return it at the end.
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return future.then((_) => db);
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}
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Future<Database> setupDb() {
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return createAndOpenDb().then(writeItems);
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}
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testRange(db, range, expectedFirst, expectedLast) {
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Transaction txn = db.transaction(STORE_NAME, 'readonly');
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ObjectStore objectStore = txn.objectStore(STORE_NAME);
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var cursors = objectStore
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.openCursor(range: range, autoAdvance: true)
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.asBroadcastStream();
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int lastKey;
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cursors.listen((cursor) {
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lastKey = cursor.key;
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var value = cursor.value;
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expect(value['content'], 'Item ${cursor.key}');
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});
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if (expectedFirst != null) {
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cursors.first.then((cursor) {
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expect(cursor.key, expectedFirst);
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});
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}
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if (expectedLast != null) {
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cursors.last.then((cursor) {
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expect(lastKey, expectedLast);
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});
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}
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return cursors.length.then((length) {
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if (expectedFirst == null) {
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expect(length, 0);
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} else {
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expect(length, expectedLast - expectedFirst + 1);
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}
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});
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}
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main() async {
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// Don't bother with these tests if it's unsupported.
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// Support is tested in indexeddb_1_test
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if (IdbFactory.supported) {
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var db = await setupDb();
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test('only1', () => testRange(db, new KeyRange.only(55), 55, 55));
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test('only2', () => testRange(db, new KeyRange.only(100), null, null));
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test('only3', () => testRange(db, new KeyRange.only(-1), null, null));
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test('lower1', () => testRange(db, new KeyRange.lowerBound(40), 40, 99));
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// OPTIONALS lower2() => testRange(db, new KeyRange.lowerBound(40, open: true), 41, 99);
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test('lower2',
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() => testRange(db, new KeyRange.lowerBound(40, true), 41, 99));
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// OPTIONALS lower3() => testRange(db, new KeyRange.lowerBound(40, open: false), 40, 99);
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test('lower3',
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() => testRange(db, new KeyRange.lowerBound(40, false), 40, 99));
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test('upper1', () => testRange(db, new KeyRange.upperBound(40), 0, 40));
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// OPTIONALS upper2() => testRange(db, new KeyRange.upperBound(40, open: true), 0, 39);
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test('upper2',
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() => testRange(db, new KeyRange.upperBound(40, true), 0, 39));
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// upper3() => testRange(db, new KeyRange.upperBound(40, open: false), 0, 40);
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test('upper3',
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() => testRange(db, new KeyRange.upperBound(40, false), 0, 40));
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test('bound1', () => testRange(db, new KeyRange.bound(20, 30), 20, 30));
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test('bound2', () => testRange(db, new KeyRange.bound(-100, 200), 0, 99));
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bound3() =>
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// OPTIONALS testRange(db, new KeyRange.bound(20, 30, upperOpen: true),
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testRange(db, new KeyRange.bound(20, 30, false, true), 20, 29);
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bound4() =>
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// OPTIONALS testRange(db, new KeyRange.bound(20, 30, lowerOpen: true),
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testRange(db, new KeyRange.bound(20, 30, true), 21, 30);
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bound5() =>
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// OPTIONALS testRange(db, new KeyRange.bound(20, 30, lowerOpen: true, upperOpen: true),
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testRange(db, new KeyRange.bound(20, 30, true, true), 21, 29);
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}
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}
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