1 files changed, 4 insertions, 3 deletions
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 83ee982b1..94a1e3658 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -373,8 +373,7 @@ public final class BinaryDictionary extends Dictionary {
         return getProbabilityNative(mNativeDict, codePoints);
     }
 
-    // TODO: Add a batch process version (isValidBigramMultiple?) to avoid excessive numbers of jni
-    // calls when checking for changes in an entire dictionary.
+    @UsedForTesting
     public boolean isValidBigram(final String word0, final String word1) {
         return getBigramProbability(word0, word1) != NOT_A_PROBABILITY;
     }
@@ -541,7 +540,9 @@ public final class BinaryDictionary extends Dictionary {
         close();
         final File dictFile = new File(mDictFilePath);
         final File tmpDictFile = new File(tmpDictFilePath);
-        FileUtils.deleteRecursively(dictFile);
+        if (!FileUtils.deleteRecursively(dictFile)) {
+            return false;
+        }
         if (!BinaryDictionaryUtils.renameDict(tmpDictFile, dictFile)) {
             return false;
         }