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Diffstat (limited to 'async/autotests/asynctest.cpp')
-rw-r--r-- | async/autotests/asynctest.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/async/autotests/asynctest.cpp b/async/autotests/asynctest.cpp new file mode 100644 index 0000000..7aedfc4 --- /dev/null +++ b/async/autotests/asynctest.cpp | |||
@@ -0,0 +1,140 @@ | |||
1 | /* | ||
2 | * Copyright 2014 Daniel Vrátil <dvratil@redhat.com> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License as | ||
6 | * published by the Free Software Foundation; either version 2 of | ||
7 | * the License or (at your option) version 3 or any later version | ||
8 | * accepted by the membership of KDE e.V. (or its successor approved | ||
9 | * by the membership of KDE e.V.), which shall act as a proxy | ||
10 | * defined in Section 14 of version 3 of the license. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
19 | * | ||
20 | */ | ||
21 | |||
22 | #include "../src/async.h" | ||
23 | |||
24 | #include <QObject> | ||
25 | #include <QString> | ||
26 | #include <QTimer> | ||
27 | #include <QtTest/QTest> | ||
28 | |||
29 | class AsyncTest : public QObject | ||
30 | { | ||
31 | Q_OBJECT | ||
32 | |||
33 | public: | ||
34 | AsyncTest() | ||
35 | {} | ||
36 | |||
37 | ~AsyncTest() | ||
38 | {} | ||
39 | |||
40 | private Q_SLOTS: | ||
41 | void testSyncPromises(); | ||
42 | void testAsyncPromises(); | ||
43 | void testSyncEach(); | ||
44 | void testSyncReduce(); | ||
45 | }; | ||
46 | |||
47 | void AsyncTest::testSyncPromises() | ||
48 | { | ||
49 | auto baseJob = Async::start<int>( | ||
50 | [](Async::Future<int> &f) { | ||
51 | f.setValue(42); | ||
52 | f.setFinished(); | ||
53 | }) | ||
54 | .then<QString, int>( | ||
55 | [](int v, Async::Future<QString> &f) { | ||
56 | f.setValue("Result is " + QString::number(v)); | ||
57 | f.setFinished(); | ||
58 | }); | ||
59 | |||
60 | auto job = baseJob.then<QString, QString>( | ||
61 | [](const QString &v, Async::Future<QString> &f) { | ||
62 | f.setValue(v.toUpper()); | ||
63 | f.setFinished(); | ||
64 | }); | ||
65 | |||
66 | job.exec(); | ||
67 | Async::Future<QString> future = job.result(); | ||
68 | |||
69 | QVERIFY(future.isFinished()); | ||
70 | QCOMPARE(future.value(), QString::fromLatin1("RESULT IS 42")); | ||
71 | } | ||
72 | |||
73 | void AsyncTest::testAsyncPromises() | ||
74 | { | ||
75 | auto job = Async::start<int>( | ||
76 | [](Async::Future<int> &future) { | ||
77 | QTimer *timer = new QTimer(); | ||
78 | QObject::connect(timer, &QTimer::timeout, | ||
79 | [&]() { | ||
80 | future.setValue(42); | ||
81 | future.setFinished(); | ||
82 | }); | ||
83 | QObject::connect(timer, &QTimer::timeout, | ||
84 | timer, &QObject::deleteLater); | ||
85 | timer->setSingleShot(true); | ||
86 | timer->start(200); | ||
87 | }); | ||
88 | |||
89 | job.exec(); | ||
90 | Async::Future<int> future = job.result(); | ||
91 | QVERIFY(future.isFinished()); | ||
92 | QCOMPARE(future.value(), 42); | ||
93 | } | ||
94 | |||
95 | void AsyncTest::testSyncEach() | ||
96 | { | ||
97 | auto job = Async::start<QList<int>>( | ||
98 | [](Async::Future<QList<int>> &future) { | ||
99 | future.setValue(QList<int>{ 1, 2, 3, 4 }); | ||
100 | future.setFinished(); | ||
101 | }) | ||
102 | .each<QList<int>, int>( | ||
103 | [](const int &v, Async::Future<QList<int>> &future) { | ||
104 | future.setValue(QList<int>{ v + 1 }); | ||
105 | future.setFinished(); | ||
106 | }); | ||
107 | |||
108 | job.exec(); | ||
109 | Async::Future<QList<int>> future = job.result(); | ||
110 | const QList<int> expected({ 2, 3, 4, 5 }); | ||
111 | QVERIFY(future.isFinished()); | ||
112 | QCOMPARE(future.value(), expected); | ||
113 | } | ||
114 | |||
115 | void AsyncTest::testSyncReduce() | ||
116 | { | ||
117 | auto job = Async::start<QList<int>>( | ||
118 | [](Async::Future<QList<int>> &future) { | ||
119 | future.setValue(QList<int>{ 1, 2, 3, 4 }); | ||
120 | future.setFinished(); | ||
121 | }) | ||
122 | .reduce<int, QList<int>>( | ||
123 | [](const QList<int> &list, Async::Future<int> &future) { | ||
124 | int sum = 0; | ||
125 | for (int i : list) sum += i; | ||
126 | future.setValue(sum); | ||
127 | future.setFinished(); | ||
128 | }); | ||
129 | |||
130 | job.exec(); | ||
131 | Async::Future<int> future = job.result(); | ||
132 | QVERIFY(future.isFinished()); | ||
133 | QCOMPARE(future.value(), 10); | ||
134 | } | ||
135 | |||
136 | |||
137 | |||
138 | QTEST_MAIN(AsyncTest); | ||
139 | |||
140 | #include "asynctest.moc" | ||