fix #107

Author: hhzl

spec/learnwords2/LWdbSpec.js

@@ -68,10 +68,22 @@ describe("Database LWdb", function() {
 
   it("should be able to reinitialize the persistent storage", function() {
 
+    var n = (this.wordList).length;
+    expect(n>0).toBe(true);
+
+    lwdb.loadWords(this.wordList);
+
+    expect(lwdb.numberOfWords()>0).toBe(true);
+
+
     lwdb.removeWords();
-    expect(lwdb).toHaveMethod("numberOfWords");
+    
+    expect(lwdb).toHaveMethod("numberOfWords"); 
     expect(lwdb.numberOfWords()).toBe(0);
 
+    var keys = lwdb.keysOfAllWords();
+    expect(keys.length).toBe(0);
+
   });
 
 

src/LWdb.js

@@ -147,9 +147,10 @@ var LWdb = function(name) {
     removeWords : function() {
         var keys = this.keysOfAllWords(); 
         for (var i = 0; i < keys.length; i++){
-            localStorage.removeItem(keys);
+            localStorage.removeItem(keys[i]);
         }
         _setNumberOfWords(0);
+        _invalidateIndex();
     },
 
 
@@ -296,9 +297,9 @@ var LWdb = function(name) {
                 if(keyRegex.test(key)){
                     _keysOfAllWords.push(key);
                 }
-            }
+            };
+            _indexHasBeenUpdated();
         };
-        _indexHasBeenUpdated();
         return _keysOfAllWords;
     },