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Side by Side Diff: tests/lib/async/deferred/deferred_api_test.dart

Issue 221663005: Load deferred chunks in the right order. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 8 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 // Test that that the basic API for deferred/lazy loading works. This
6 // test deliberately does not test that the deferred elements throw a
7 // NoSuchMethodError before the deferred library is loaded. This
8 // makes it possible to pass this test without having implemented
9 // deferred loading correctly.
10
11 import "package:expect/expect.dart";
12 import 'dart:async';
13
14 @lazy
15 import 'deferred_api_library.dart' as lib;
16
17 const lazy = const DeferredLibrary('deferred_api_library');
18
19 main() {
20 print('unittest-suite-wait-for-done');
21
22 int counter = 0;
23 lazy.load().then((bool didLoad) {
24 Expect.isTrue(didLoad);
25 Expect.equals(1, ++counter);
26 Expect.equals(42, lib.foo('b'));
27 print('lazy was loaded');
28 });
29 Expect.equals(0, counter);
30 lazy.load().then((bool didLoad) {
31 Expect.isFalse(didLoad);
32 Expect.equals(2, ++counter);
33 Expect.equals(42, lib.foo('b'));
34 print('lazy was loaded');
35 print('unittest-suite-success');
36 });
37 Expect.equals(0, counter);
38 }
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