1 /*
2 * Copyright (C) 2015 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 <memory>
18
19 #include <base/logging.h>
20 #include <base/macros.h>
21 #include <binder/Binder.h>
22 #include <binder/IBinder.h>
23 #include <binderwrapper/binder_test_base.h>
24 #include <binderwrapper/stub_binder_wrapper.h>
25 #include <nativepower/constants.h>
26 #include <nativepower/power_manager_client.h>
27 #include <nativepower/power_manager_stub.h>
28 #include <nativepower/wake_lock.h>
29
30 namespace android {
31
32 class WakeLockTest : public BinderTestBase {
33 public:
WakeLockTest()34 WakeLockTest()
35 : power_manager_(new PowerManagerStub()),
36 power_manager_binder_(power_manager_) {
37 binder_wrapper()->SetBinderForService(kPowerManagerServiceName,
38 power_manager_binder_);
39 CHECK(client_.Init());
40 }
41 ~WakeLockTest() override = default;
42
43 protected:
44 PowerManagerStub* power_manager_; // Owned by |power_manager_binder_|.
45 sp<IBinder> power_manager_binder_;
46 PowerManagerClient client_;
47
48 private:
49 DISALLOW_COPY_AND_ASSIGN(WakeLockTest);
50 };
51
TEST_F(WakeLockTest,CreateAndDestroy)52 TEST_F(WakeLockTest, CreateAndDestroy) {
53 const uid_t kUid = 123;
54 binder_wrapper()->set_calling_uid(kUid);
55 std::unique_ptr<WakeLock> lock(client_.CreateWakeLock("foo", "bar"));
56 ASSERT_EQ(1, power_manager_->GetNumWakeLocks());
57 ASSERT_EQ(1u, binder_wrapper()->local_binders().size());
58 EXPECT_EQ(
59 PowerManagerStub::ConstructWakeLockString("foo", "bar", kUid),
60 power_manager_->GetWakeLockString(binder_wrapper()->local_binders()[0]));
61
62 lock.reset();
63 EXPECT_EQ(0, power_manager_->GetNumWakeLocks());
64 }
65
TEST_F(WakeLockTest,PowerManagerDeath)66 TEST_F(WakeLockTest, PowerManagerDeath) {
67 std::unique_ptr<WakeLock> lock(client_.CreateWakeLock("foo", "bar"));
68 binder_wrapper()->NotifyAboutBinderDeath(power_manager_binder_);
69
70 // Since PowerManagerClient was informed that the power manager died, WakeLock
71 // shouldn't try to release its lock on destruction.
72 lock.reset();
73 EXPECT_EQ(1, power_manager_->GetNumWakeLocks());
74 }
75
76 } // namespace android
77