diff --git a/services/core/java/com/android/server/LockSettingsStorage.java b/services/core/java/com/android/server/LockSettingsStorage.java
index d136f1a..9ab6300 100644
--- a/services/core/java/com/android/server/LockSettingsStorage.java
+++ b/services/core/java/com/android/server/LockSettingsStorage.java
@@ -401,7 +401,8 @@
         return getLockCredentialFilePathForUser(userId, BASE_ZERO_LOCK_PATTERN_FILE);
     }
 
-    private String getChildProfileLockFile(int userId) {
+    @VisibleForTesting
+    String getChildProfileLockFile(int userId) {
         return getLockCredentialFilePathForUser(userId, CHILD_PROFILE_LOCK_FILE);
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java b/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
index dae8447..7d28e39 100644
--- a/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
+++ b/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
@@ -87,6 +87,12 @@
                 return new File(mStorageDir,
                         super.getLockPasswordFilename(userId).replace('/', '-')).getAbsolutePath();
             }
+
+            @Override
+            String getChildProfileLockFile(int userId) {
+                return new File(mStorageDir,
+                        super.getChildProfileLockFile(userId).replace('/', '-')).getAbsolutePath();
+            }
         };
     }
 
@@ -235,6 +241,27 @@
         assertArrayEquals("profilepassword".getBytes(), mStorage.readPasswordHash(2).hash);
     }
 
+    public void testLockType_WriteProfileWritesParent() {
+        mStorage.writePasswordHash("parentpassword".getBytes(), 10);
+        mStorage.writePatternHash("12345678".getBytes(), 20);
+
+        assertEquals(2, mStorage.getStoredCredentialType(10));
+        assertEquals(1, mStorage.getStoredCredentialType(20));
+        mStorage.clearCache();
+        assertEquals(2, mStorage.getStoredCredentialType(10));
+        assertEquals(1, mStorage.getStoredCredentialType(20));
+    }
+
+    public void testProfileLock_ReadWriteChildProfileLock() {
+        assertFalse(mStorage.hasChildProfileLock(20));
+        mStorage.writeChildProfileLock(20, "profilepassword".getBytes());
+        assertArrayEquals("profilepassword".getBytes(), mStorage.readChildProfileLock(20));
+        assertTrue(mStorage.hasChildProfileLock(20));
+        mStorage.clearCache();
+        assertArrayEquals("profilepassword".getBytes(), mStorage.readChildProfileLock(20));
+        assertTrue(mStorage.hasChildProfileLock(20));
+    }
+
     public void testPassword_WriteParentWritesProfile() {
         mStorage.writePasswordHash("profilepassword".getBytes(), 2);
         mStorage.writePasswordHash("parentpasswordd".getBytes(), 1);