1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <audio_utils/CommandThread.h>
18
19 #include <gtest/gtest.h>
20
TEST(commandthread,basic)21 TEST(commandthread, basic) {
22 android::audio_utils::CommandThread ct;
23
24 ct.add("one", [](){});
25 ct.add("two", [](){});
26 ct.quit();
27 EXPECT_EQ(0, ct.size());
28 EXPECT_EQ("", ct.dump());
29 }
30
TEST(commandthread,full)31 TEST(commandthread, full) {
32 std::mutex m;
33 std::condition_variable cv;
34 int stage = 0;
35 android::audio_utils::CommandThread ct;
36
37 // load the CommandThread queue.
38 ct.add("one", [&]{
39 std::unique_lock ul(m);
40 stage = 1;
41 cv.notify_one();
42 cv.wait(ul, [&] { return stage == 2; });
43 });
44 ct.add("two", [&]{
45 std::unique_lock ul(m);
46 stage = 3;
47 cv.notify_one();
48 cv.wait(ul, [&] { return stage == 4; });
49 });
50 ct.add("three", [&]{
51 std::unique_lock ul(m);
52 stage = 5;
53 cv.notify_one();
54 cv.wait(ul, [&] { return stage == 6; });
55 });
56
57 std::unique_lock ul(m);
58
59 // step through each command in the queue.
60
61 cv.wait(ul, [&] { return stage == 1; });
62 EXPECT_EQ(2, ct.size());
63 EXPECT_EQ("two\nthree\n", ct.dump());
64 stage = 2;
65 cv.notify_one();
66
67 cv.wait(ul, [&] { return stage == 3; });
68 EXPECT_EQ(1, ct.size());
69 EXPECT_EQ("three\n", ct.dump());
70 stage = 4;
71 cv.notify_one();
72
73 cv.wait(ul, [&] { return stage == 5; });
74 EXPECT_EQ(0, ct.size());
75 EXPECT_EQ("", ct.dump());
76 stage = 6;
77 cv.notify_one();
78 }
79