added tests for observer types

build/node/Types/BasicTypes.js

@@ -24,7 +24,7 @@
       };
 
       Operation.prototype.unobserve = function(f) {
-        return this.event_listeners.filter(function(g) {
+        return this.event_listeners = this.event_listeners.filter(function(g) {
           return f !== g;
         });
       };
@@ -156,9 +156,13 @@
       };
 
       Delete.prototype.execute = function() {
+        var res;
         if (this.validateSavedOperations()) {
-          this.deletes.applyDelete(this);
-          return Delete.__super__.execute.apply(this, arguments);
+          res = Delete.__super__.execute.apply(this, arguments);
+          if (res) {
+            this.deletes.applyDelete(this);
+          }
+          return res;
         } else {
           return false;
         }
@@ -307,7 +311,8 @@
             type: "insert",
             position: this.getPosition(),
             object: this.parent,
-            changed_by: this.uid.creator
+            changed_by: this.uid.creator,
+            value: this.content
           }
         ]) : void 0;
       };

build/node/Types/StructuredTypes.js

@@ -195,22 +195,21 @@
 
       ListManager.prototype.getOperationByPosition = function(position) {
         var o;
-        o = this.beginning.next_cl;
-        if ((position > 0 || o.isDeleted()) && !(o instanceof types.Delimiter)) {
-          while (o.isDeleted() && !(o instanceof types.Delimiter)) {
-            o = o.next_cl;
+        o = this.beginning;
+        while (true) {
+          if (o instanceof types.Delimiter && (o.prev_cl != null)) {
+            o = o.prev_cl;
+            while (o.isDeleted() || !(o instanceof types.Delimiter)) {
+              o = o.prev_cl;
+            }
+            break;
           }
-          while (true) {
-            if (o instanceof types.Delimiter) {
-              break;
-            }
-            if (position <= 0 && !o.isDeleted()) {
-              break;
-            }
-            o = o.next_cl;
-            if (!o.isDeleted()) {
-              position -= 1;
-            }
+          if (position <= 0 && !o.isDeleted()) {
+            break;
+          }
+          o = o.next_cl;
+          if (!o.isDeleted()) {
+            position -= 1;
           }
         }
         return o;

build/node/Types/TextTypes.js

@@ -147,15 +147,14 @@
       };
 
       WordType.prototype.insertText = function(position, content) {
-        var ith, left;
+        var ith;
         ith = this.getOperationByPosition(position);
-        left = ith.prev_cl;
-        return this.insertAfter(left, content);
+        return this.insertAfter(ith, content);
       };
 
       WordType.prototype.deleteText = function(position, length) {
         var d, delete_ops, i, o, _i;
-        o = this.getOperationByPosition(position);
+        o = this.getOperationByPosition(position + 1);
         delete_ops = [];
         for (i = _i = 0; 0 <= length ? _i < length : _i > length; i = 0 <= length ? ++_i : --_i) {
           if (o instanceof types.Delimiter) {