Merge "Fix a cache calculation regression." into oc-mr1-dev

am: fcd9565ec5

Change-Id: If0d8f5a0e54a71899c2f878c61747223579bf24a

packages/SettingsLib/src/com/android/settingslib/applications/StorageStatsSource.java

@@ -131,7 +131,7 @@ public class StorageStatsSource {
         }
 
         public long getTotalBytes() {
-            return mStats.getCacheBytes() + mStats.getCodeBytes() + mStats.getDataBytes();
+            return mStats.getAppBytes() + mStats.getDataBytes();
         }
     }
 }

packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/StorageStatsSourceTest.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settingslib.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.usage.StorageStats;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class StorageStatsSourceTest {
+    @Test
+    public void AppStorageStatsImpl_totalCorrectly() {
+        StorageStats storageStats = new StorageStats();
+        storageStats.cacheBytes = 1;
+        storageStats.codeBytes = 10;
+        storageStats.dataBytes = 100;
+        StorageStatsSource.AppStorageStatsImpl stats = new StorageStatsSource.AppStorageStatsImpl(
+                storageStats);
+
+        // Note that this does not double add the cache (111).
+        assertThat(stats.getTotalBytes()).isEqualTo(110);
+    }
+}