1 // OpenTween - Client of Twitter
2 // Copyright (c) 2022 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General public License
17 // You should have received a copy of the GNU General public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
23 using System.Collections.Generic;
26 using System.Threading.Tasks;
32 public class DisposableLazyTest
35 public void Value_Test()
37 var mock = new Mock<IDisposable>();
38 var obj = mock.Object;
40 var lazy = new DisposableLazy<IDisposable>(() => obj);
41 Assert.False(lazy.IsValueCreated);
42 Assert.Equal(obj, lazy.Value);
43 Assert.True(lazy.IsValueCreated);
47 public void Value_DisposedErrorTest()
49 var mock = new Mock<IDisposable>();
50 var obj = mock.Object;
52 var lazy = new DisposableLazy<IDisposable>(() => obj);
55 Assert.Throws<ObjectDisposedException>(() => lazy.Value);
59 public void Dispose_BeforeValueCreatedTest()
61 var mock = new Mock<IDisposable>();
63 var lazy = new DisposableLazy<IDisposable>(() => mock.Object);
66 Assert.False(lazy.IsValueCreated);
67 Assert.True(lazy.IsDisposed);
68 mock.Verify(x => x.Dispose(), Times.Never());
72 public void Dispose_AfterValueCreatedTest()
74 var mock = new Mock<IDisposable>();
76 var lazy = new DisposableLazy<IDisposable>(() => mock.Object);
80 Assert.True(lazy.IsValueCreated);
81 Assert.True(lazy.IsDisposed);
82 mock.Verify(x => x.Dispose(), Times.Once());