Add a constructor for testing to non-main dictionaries.

The new constructor is used for creating dictionary instance
that uses a given file.

Bug: 11956652
Change-Id: Ifbf420a1a768eb95a5c3a58eeb1be5936b306d35

1 files changed, 10 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
index 3f03de0d4..868f21cbc 100644
--- a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
@@ -16,8 +16,10 @@
 
 package com.android.inputmethod.latin.personalization;
 
+import com.android.inputmethod.annotations.UsedForTesting;
 import com.android.inputmethod.latin.Dictionary;
 
+import java.io.File;
 import java.util.Locale;
 
 import android.content.Context;
@@ -33,6 +35,14 @@ public class UserHistoryDictionary extends DecayingExpandableBinaryDictionaryBas
         super(context, locale, Dictionary.TYPE_USER_HISTORY, getDictNameWithLocale(NAME, locale));
     }
 
+    // Creates an instance that uses a given dictionary file for testing.
+    @UsedForTesting
+    public UserHistoryDictionary(final Context context, final Locale locale,
+            final File dictFile) {
+        super(context, locale, Dictionary.TYPE_USER_HISTORY, getDictNameWithLocale(NAME, locale),
+                dictFile);
+    }
+
     public void cancelAddingUserHistory(final String word0, final String word1) {
         removeBigramDynamically(word0, word1);
     }