Add unit tests for AttentionManagerService. Make sure it won't crash when OnSwitchUser() is invoked while the bound service is null.

Bug: 130659721
Test: atest AttentionManagerServiceTest

Change-Id: I71e1252e92eabca02fe2ae9b21596377f22f064c

2 files changed, 9 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/attention/AttentionManagerService.java b/services/core/java/com/android/server/attention/AttentionManagerService.java
index d7d4851bf33f..b50af28b12b3 100644
--- a/services/core/java/com/android/server/attention/AttentionManagerService.java
+++ b/services/core/java/com/android/server/attention/AttentionManagerService.java
@@ -309,7 +309,8 @@ public class AttentionManagerService extends SystemService {
     }
 
     @GuardedBy("mLock")
-    private UserState getOrCreateUserStateLocked(int userId) {
+    @VisibleForTesting
+    protected UserState getOrCreateUserStateLocked(int userId) {
         UserState result = mUserStates.get(userId);
         if (result == null) {
             result = new UserState(userId, mContext, mLock, mComponentName);
diff --git a/services/tests/servicestests/src/com/android/server/attention/AttentionManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/attention/AttentionManagerServiceTest.java
index 8426a0bb2c11..bb9f49e6f37f 100644
--- a/services/tests/servicestests/src/com/android/server/attention/AttentionManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/attention/AttentionManagerServiceTest.java
@@ -132,6 +132,13 @@ public class AttentionManagerServiceTest {
         verify(callback).onSuccess(anyInt(), anyLong());
     }
 
+    @Test
+    public void testOnSwitchUser_noCrashCurrentServiceIsNull() {
+        final int userId = 10;
+        mSpyAttentionManager.getOrCreateUserStateLocked(userId);
+        mSpyAttentionManager.onSwitchUser(userId);
+    }
+
     private class MockIAttentionService implements IAttentionService {
         public void checkAttention(IAttentionCallback callback) throws RemoteException {
             callback.onSuccess(0, 0);