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 #include "gtest/gtest.h"
18
19 #include "chre/util/system/ref_base.h"
20
21 namespace {
22
23 class TestBase : public chre::RefBase<TestBase> {
24 public:
~TestBase()25 ~TestBase() {
26 destructorCount++;
27 }
28 static int destructorCount;
29 };
30
31 int TestBase::destructorCount = 0;
32
33 class RefBaseTest : public testing::Test {
34 public:
SetUp()35 void SetUp() override {
36 TestBase::destructorCount = 0;
37 mObject = static_cast<TestBase *>(chre::memoryAlloc(sizeof(TestBase)));
38 new (mObject) TestBase();
39 }
40
41 TestBase *mObject;
42 };
43
44 } // namespace
45
TEST_F(RefBaseTest,DecRef)46 TEST_F(RefBaseTest, DecRef) {
47 mObject->decRef();
48 EXPECT_EQ(1, TestBase::destructorCount);
49 }
50
TEST_F(RefBaseTest,TwoIncRef)51 TEST_F(RefBaseTest, TwoIncRef) {
52 mObject->incRef();
53
54 mObject->decRef();
55 EXPECT_EQ(0, TestBase::destructorCount);
56
57 mObject->decRef();
58 EXPECT_EQ(1, TestBase::destructorCount);
59 }
60