1 /*
2 * Copyright (C) 2021 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 #define LOG_TAG "media_synchronization_tests"
18
19 #include <mediautils/Synchronization.h>
20
21 #include <gtest/gtest.h>
22 #include <utils/Log.h>
23
24 using namespace android;
25 using namespace android::mediautils;
26
27 // Simple Test Class
28 template <typename T>
29 class MyObject : public RefBase {
30 T value_;
31 public:
MyObject(const T & value)32 MyObject(const T& value) : value_(value) {}
MyObject(const MyObject<T> & mo)33 MyObject(const MyObject<T>& mo) : value_(mo.get()) {}
get() const34 T get() const { return value_; }
set(const T & value)35 void set(const T& value) { value_ = value; }
36 };
37
TEST(media_synchronization_tests,atomic_wp)38 TEST(media_synchronization_tests, atomic_wp) {
39 sp<MyObject<int>> refobj = new MyObject<int>(20);
40 atomic_wp<MyObject<int>> wpobj = refobj;
41
42 // we can promote.
43 ASSERT_EQ(20, wpobj.load().promote()->get());
44
45 // same underlying object for sp and atomic_wp.
46 ASSERT_EQ(refobj.get(), wpobj.load().promote().get());
47
48 // behavior is consistent with same underlying object.
49 wpobj.load().promote()->set(10);
50 ASSERT_EQ(10, refobj->get());
51 refobj->set(5);
52 ASSERT_EQ(5, wpobj.load().promote()->get());
53
54 // we can clear our weak ptr.
55 wpobj = nullptr;
56 ASSERT_EQ(nullptr, wpobj.load().promote());
57
58 // didn't affect our original obj.
59 ASSERT_NE(nullptr, refobj.get());
60 }
61
TEST(media_synchronization_tests,atomic_sp)62 TEST(media_synchronization_tests, atomic_sp) {
63 sp<MyObject<int>> refobj = new MyObject<int>(20);
64 atomic_sp<MyObject<int>> spobj = refobj;
65
66 // same underlying object for sp and atomic_sp.
67 ASSERT_EQ(refobj.get(), spobj.load().get());
68
69 // behavior is consistent with same underlying object.
70 ASSERT_EQ(20, spobj.load()->get());
71 spobj.load()->set(10);
72 ASSERT_EQ(10, refobj->get());
73 refobj->set(5);
74 ASSERT_EQ(5, spobj.load()->get());
75
76 // we can clear spobj.
77 spobj = nullptr;
78 ASSERT_EQ(nullptr, spobj.load().get());
79
80 // didn't affect our original obj.
81 ASSERT_NE(nullptr, refobj.get());
82 }
83