1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
#if HAS_AWAIT
using System;
using System.Collections.Generic;
using System.Reactive;
using System.Reactive.Concurrency;
using System.Reactive.Linq;
using System.Reactive.Subjects;
using Microsoft.Reactive.Testing;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using ReactiveTests.Dummies;
namespace ReactiveTests.Tests
{
[TestClass]
public class ObservableAwaiterTest : ReactiveTest
{
[TestMethod]
public void Await_ArgumentChecking()
{
ReactiveAssert.Throws<ArgumentNullException>(() => Observable.GetAwaiter<int>(null));
ReactiveAssert.Throws<ArgumentNullException>(() => Observable.GetAwaiter(Observable.Empty<int>()).OnCompleted(null));
}
[TestMethod]
public void Await()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnNext(20, -1),
OnNext(150, 0),
OnNext(220, 1),
OnNext(290, 2),
OnNext(340, 3),
OnCompleted<int>(410)
);
var awaiter = default(AsyncSubject<int>);
var result = default(int);
var t = long.MaxValue;
scheduler.ScheduleAbsolute(100, () => awaiter = xs.GetAwaiter());
scheduler.ScheduleAbsolute(200, () => awaiter.OnCompleted(() => { t = scheduler.Clock; result = awaiter.GetResult(); }));
scheduler.Start();
Assert.AreEqual(410, t);
Assert.AreEqual(3, result);
xs.Subscriptions.AssertEqual(
Subscribe(100)
);
}
[TestMethod]
public void Await_Error()
{
var scheduler = new TestScheduler();
var ex = new Exception();
var xs = scheduler.CreateHotObservable(
OnNext(20, -1),
OnNext(150, 0),
OnNext(220, 1),
OnNext(290, 2),
OnNext(340, 3),
OnError<int>(410, ex)
);
var awaiter = default(AsyncSubject<int>);
var t = long.MaxValue;
scheduler.ScheduleAbsolute(100, () => awaiter = xs.GetAwaiter());
scheduler.ScheduleAbsolute(200, () => awaiter.OnCompleted(() => { t = scheduler.Clock; ReactiveAssert.Throws(ex, () => awaiter.GetResult()); }));
scheduler.Start();
Assert.AreEqual(410, t);
xs.Subscriptions.AssertEqual(
Subscribe(100)
);
}
[TestMethod]
public void Await_Never()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnNext(20, -1),
OnNext(150, 0),
OnNext(220, 1),
OnNext(290, 2),
OnNext(340, 3)
);
var awaiter = default(AsyncSubject<int>);
var hasValue = default(bool);
var t = long.MaxValue;
scheduler.ScheduleAbsolute(100, () => awaiter = xs.GetAwaiter());
scheduler.ScheduleAbsolute(200, () => awaiter.OnCompleted(() => { t = scheduler.Clock; awaiter.GetResult(); hasValue = true; }));
scheduler.Start();
Assert.AreEqual(long.MaxValue, t);
Assert.IsFalse(hasValue);
xs.Subscriptions.AssertEqual(
Subscribe(100)
);
}
[TestMethod]
public void Await_Empty()
{
var scheduler = new TestScheduler();
var xs = scheduler.CreateHotObservable(
OnCompleted<int>(300)
);
var awaiter = default(AsyncSubject<int>);
var t = long.MaxValue;
scheduler.ScheduleAbsolute(100, () => awaiter = xs.GetAwaiter());
scheduler.ScheduleAbsolute(200, () => awaiter.OnCompleted(() => { t = scheduler.Clock; ReactiveAssert.Throws<InvalidOperationException>(() => awaiter.GetResult()); }));
scheduler.Start();
Assert.AreEqual(300, t);
xs.Subscriptions.AssertEqual(
Subscribe(100)
);
}
}
}
#endif
|
