several bug fixes regarding "content is an array"

src/Connectors/Test.js

@@ -4,7 +4,7 @@
 module.exports = function (Y) {
   var globalRoom = {
     users: {},
-    buffers: {},
+    buffers: {}, // TODO: reimplement this idea. This does not cover all cases!! Here, you have a queue which is unrealistic (i.e. think about multiple incoming connections)
     removeUser: function (user) {
       for (var i in this.users) {
         this.users[i].userLeft(user)

src/Database.js

@@ -146,9 +146,11 @@ module.exports = function (Y /* :any */) {
           self.gc2 = []
           for (var i = 0; i < ungc.length; i++) {
             var op = yield* this.getOperation(ungc[i])
+            if (op != null) {
               delete op.gc
               yield* this.setOperation(op)
             }
+          }
           resolve()
         })
       })
@@ -386,11 +388,11 @@ module.exports = function (Y /* :any */) {
           let o = Y.utils.copyObject(op)
           yield* t._changed(transaction, o)
         }
+        if (!op.deleted) {
           // Delete if DS says this is actually deleted
           var len = op.content != null ? op.content.length : 1
           for (var i = 0; i < len; i++) {
             var id = [op.id[0], op.id[1] + i]
-          if (!op.deleted) {
             var opIsDeleted = yield* transaction.isDeleted(id)
             if (opIsDeleted) {
               var delop = {

src/SpecHelper.js

@@ -25,7 +25,7 @@ g.g = g
 
 g.YConcurrency_TestingMode = true
 
-jasmine.DEFAULT_TIMEOUT_INTERVAL = 2000
+jasmine.DEFAULT_TIMEOUT_INTERVAL = 50000
 
 g.describeManyTimes = function describeManyTimes (times, name, f) {
   for (var i = 0; i < times; i++) {
@@ -200,7 +200,7 @@ g.compareAllUsers = async(function * compareAllUsers (users) {
       for (var j in ds) {
         var d = ds[j]
         for (var i = 0; i < d.len; i++) {
-          var o = yield* this.getOperation([d.id[0], d.id[1] + i])
+          var o = yield* this.getInsertion([d.id[0], d.id[1] + i])
           // gc'd or deleted
           if (d.gc) {
             expect(o).toBeFalsy()

src/Struct.js

@@ -68,7 +68,7 @@ module.exports = function (Y/* :any */) {
         if (op.hasOwnProperty('opContent')) {
           e.opContent = op.opContent
         } else {
-          e.content = op.content
+          e.content = op.content.slice()
         }
 
         return e
@@ -93,8 +93,11 @@ module.exports = function (Y/* :any */) {
         return ids
       },
       getDistanceToOrigin: function * (op) {
+        if (op.left == null) {
+          return 0
+        } else {
           var d = 0
-        var o = op
+          var o = yield* this.getInsertion(op.left)
           while (!Y.utils.matchesId(o, op.origin)) {
             d++
             if (o.left == null) {
@@ -104,6 +107,7 @@ module.exports = function (Y/* :any */) {
             }
           }
           return d
+        }
       },
       /*
       # $this has to find a unique position between origin and the next known character

src/Transaction.js

@@ -160,12 +160,20 @@ module.exports = function (Y/* :any */) {
           start.gc = true
           start.deleted = true
           yield* this.setOperation(start)
-          yield* this.markDeleted(start.id, 1)
+          var delLength = start.content != null ? start.content.length : 1
+          yield* this.markDeleted(start.id, delLength)
           if (start.opContent != null) {
             yield* this.deleteOperation(start.opContent)
           }
           if (this.store.y.connector.isSynced) {
             this.store.gc1.push(start.id)
+            for (var i = 0; i < delLength; i++) {
+              if (i === 0) {
+                this.store.gc1.push(start.id)
+              } else {
+                this.store.gc1.push([start.id[0], start.id[1] + i])
+              }
+            }
           }
         }
         start = start.right
@@ -386,15 +394,22 @@ module.exports = function (Y/* :any */) {
     */
     * garbageCollectAfterSync () {
       yield* this.os.iterate(this, null, null, function * (op) {
+        var opLength = op.content != null ? op.content.length : 1
         if (op.gc) {
+          for (var i = 0; i < opLength; i++) {
+            if (i === 0) {
               this.store.gc1.push(op.id)
+            } else {
+              this.store.gc1.push([op.id[0], op.id[1] + i])
+            }
+          }
         } else {
           if (op.parent != null) {
             var parentDeleted = yield* this.isDeleted(op.parent)
             if (parentDeleted) {
               op.gc = true
               if (!op.deleted) {
-                yield* this.markDeleted(op.id, 1)
+                yield* this.markDeleted(op.id, delLength)
                 op.deleted = true
                 if (op.opContent != null) {
                   yield* this.deleteOperation(op.opContent)
@@ -412,7 +427,13 @@ module.exports = function (Y/* :any */) {
                 }
               }
               yield* this.setOperation(op)
+              for (var i = 0; i < opLength; i++) {
+                if (i === 0) {
                   this.store.gc1.push(op.id)
+                } else {
+                  this.store.gc1.push([op.id[0], op.id[1] + i])
+                }
+              }
               return
             }
           }
@@ -753,13 +774,17 @@ module.exports = function (Y/* :any */) {
     }
     * getInsertion (id) {
       var ins = yield* this.os.findWithUpperBound(id)
+      if (ins == null) {
+        return null
+      } else {
         var len = ins.content != null ? ins.content.length : 1 // in case of opContent
-      if (ins != null && id[0] === ins.id[0] && id[1] < ins.id[1] + len) {
+        if (id[0] === ins.id[0] && id[1] < ins.id[1] + len) {
           return ins
         } else {
           return null
         }
       }
+    }
     * getInsertionCleanStartEnd (id) {
       yield* this.getInsertionCleanStart(id)
       return yield* this.getInsertionCleanEnd(id)
@@ -815,9 +840,6 @@ module.exports = function (Y/* :any */) {
       }
     }
     * getOperation (id/* :any */)/* :Transaction<any> */ {
-      if (id.length > 2) {
-        id = [id[0], id[1]]
-      }
       var o = yield* this.os.find(id)
       if (id[0] !== '_' || o != null) {
         return o