diff --git a/PySnipEmu.py b/PySnipEmu.py
index fdc6200..ac554cc 100644
--- a/PySnipEmu.py
+++ b/PySnipEmu.py
@@ -42,9 +42,19 @@ class TextObject(object):
     that has a span in any ways
     """
     def __init__(self, start, end):
+        self._parent = None
         self._start = start
         self._end = end
 
+    def parent():
+        doc = "The parent TextObject this TextObject resides in"
+        def fget(self):
+            return self._parent
+        def fset(self, value):
+            self._parent = value
+        return locals()
+    parent = property(**parent())
+
     @property
     def start(self):
         return self._start
@@ -73,7 +83,7 @@ class Mirror(TextObject):
         if ts != self._tabstop:
             return 0
 
-        mirror_line = self.start.line
+        mirror_line = self._parent.start.line + self.start.line
         line = vim.current.buffer[mirror_line]
 
         line = line[:self.start.col] + \
@@ -109,8 +119,8 @@ class TabStop(TextObject):
         return locals()
     current_text = property(**current_text())
 
-    def select(self,start):
-        lineno, col = start.line, start.col
+    def select(self):
+        lineno, col = self._parent.start.line, self._parent.start.col
 
         newline = lineno + self._start.line
         newcol = self._start.col
@@ -152,9 +162,13 @@ class SnippetInstance(TextObject):
 
         self._cts = None
 
+        for to in self._text_objects:
+            to.parent = self
+
         for ts in self._tabstops.values():
             self._update_mirrors(ts)
 
+
     def select_next_tab(self, backwards = False):
         if self._cts == 0:
             if not backwards:
@@ -183,7 +197,7 @@ class SnippetInstance(TextObject):
 
         ts = self._tabstops[self._cts]
 
-        ts.select(self._start)
+        ts.select()
 
         self._selected_tab = ts
         return True
@@ -193,32 +207,26 @@ class SnippetInstance(TextObject):
         for m in self._mirrors:
             moved = m.update(for_ts)
             if moved:
-                self._move_to_on_line(moved, m.start.line, m.start.col,cobj=m)
+                self._move_textobjects_behind(moved, m)
 
 
-    def _move_to_on_line(self,amount, lineno = None, col = None, cobj = None):
+    def _move_textobjects_behind(self, amount, obj):
         if self._cts is None:
             return
 
-        if lineno is None and col is None:
-            lineno,col = vim.current.window.cursor
-            lineno -= 1
-            cobj = self._tabstops[self._cts]
-
         for m in self._text_objects:
-            if m.start.line != lineno:
+            if m.start.line != obj.start.line:
                 continue
-            if m.start.col >= col and m != cobj:
+            if m.start.col >= obj.start.col and m != obj:
                 m.start.col += amount
                 m.end.col += amount
 
-
     def backspace(self,count):
         cts = self._tabstops[self._cts]
         ll = len(cts.current_text)
 
         cts.current_text = cts.current_text[:-count]
-        self._move_to_on_line(len(cts.current_text)-ll)
+        self._move_textobjects_behind(len(cts.current_text)-ll, cts)
 
         self._update_mirrors(cts)
 
@@ -226,11 +234,11 @@ class SnippetInstance(TextObject):
         cts = self._tabstops[self._cts]
 
         if self._selected_tab is not None:
-            self._move_to_on_line(len(chars)-len(cts.current_text))
+            self._move_textobjects_behind(len(chars)-len(cts.current_text), cts)
             cts.current_text = ""
             self._selected_tab = None
         else:
-            self._move_to_on_line(len(chars))
+            self._move_textobjects_behind(len(chars), cts)
 
         cts.current_text += chars
 
@@ -261,8 +269,8 @@ class Snippet(object):
         line_idx = val[:start].count('\n')
         line_start = val[:start].rfind('\n') + 1
         start_in_line = start - line_start
-        ts = TabStop(line_idx, (start_in_line,start_in_line+len(def_text)),
-                def_text)
+        ts = TabStop(line_idx,
+                (start_in_line,start_in_line+len(def_text)), def_text)
 
         tabstops[no] = ts
 
@@ -324,7 +332,7 @@ class Snippet(object):
         lines[0] = before + lines[0]
         lines[-1] += after
 
-        vim.current.buffer[lineno-1:lineno-1+len(lines)] = lines
+        vim.current.buffer[lineno-1:lineno-1+1] = lines
 
         vim.current.window.cursor = newline, newcol
 
diff --git a/test.py b/test.py
index 37c49a9..ca9980e 100755
--- a/test.py
+++ b/test.py
@@ -8,6 +8,8 @@ import unittest
 import time
 
 class _VimTest(unittest.TestCase):
+    text_before = " --- some text before --- "
+    text_after =  " --- some text after --- "
     def send(self, s):
             os.system("screen -x %s -X stuff '%s'" % (self.session,s))
 
@@ -19,6 +21,11 @@ class _VimTest(unittest.TestCase):
         for c in str:
             self.send(c)
 
+    def check_output(self):
+        wanted = self.text_before + '\n\n' + self.wanted + \
+                '\n\n' + self.text_after
+        self.assertEqual(self.output, wanted)
+
     def escape(self):
         self.type("\x1b")
 
@@ -43,9 +50,17 @@ EOF
             # Enter insert mode
             self.send("i")
 
+            self.send(self.text_before + '\n\n')
+            self.send('\n\n' + self.text_after)
+
+            # Go to the middle of the buffer
+            self.escape()
+            self.send("ggjji")
+
             # Execute the command
             self.cmd()
 
+
             handle, fn = tempfile.mkstemp(prefix="PySnipEmuTest",suffix=".txt")
             os.close(handle)
 
@@ -53,11 +68,12 @@ EOF
             self.send(":w! %s\n" % fn)
 
             # Give screen a chance to send the cmd and vim to write the file
-            time.sleep(.05)
+            time.sleep(.10)
 
             # Read the output, chop the trailing newline
             self.output = open(fn,"r").read()[:-1]
 
+
     def cmd(self):
         """Overwrite these in the children"""
         pass
@@ -70,133 +86,122 @@ class _SimpleExpands(_VimTest):
     snippets = ("hallo", "Hallo Welt!")
 
 class SimpleExpand_ExceptCorrectResult(_SimpleExpands):
-    def cmd(self):
-        self.type("hallo\t")
-
-    def runTest(self):
-        self.assertEqual(self.output,"Hallo Welt!")
+    wanted = "Hallo Welt!"
+    def cmd(self): self.type("hallo\t")
+    def runTest(self): self.check_output()
 
 class SimpleExpandTypeAfterExpand_ExceptCorrectResult(_SimpleExpands):
-    def cmd(self):
-        self.type("hallo\tand again")
-
-    def runTest(self):
-        self.assertEqual(self.output,"Hallo Welt!and again")
+    wanted = "Hallo Welt!and again"
+    def cmd(self): self.type("hallo\tand again")
+    def runTest(self): self.check_output()
 
 class SimpleExpandTypeAfterExpand1_ExceptCorrectResult(_SimpleExpands):
-    def cmd(self):
-        self.type("na du hallo\tand again")
-
-    def runTest(self):
-        self.assertEqual(self.output,"na du Hallo Welt!and again")
+    wanted = "na du Hallo Welt!and again"
+    def cmd(self): self.type("na du hallo\tand again")
+    def runTest(self): self.check_output()
 
 class DoNotExpandAfterSpace_ExceptCorrectResult(_SimpleExpands):
-    def cmd(self):
-        self.type("hallo \t")
-
-    def runTest(self):
-        self.assertEqual(self.output,"hallo ")
+    wanted = "hallo "
+    def cmd(self): self.type("hallo \t")
+    def runTest(self): self.check_output()
 
 class ExpandInTheMiddleOfLine_ExceptCorrectResult(_SimpleExpands):
+    wanted = "Wie Hallo Welt! gehts?"
     def cmd(self):
         self.type("Wie hallo gehts?")
         self.escape()
         self.type("bhi\t")
-
-    def runTest(self):
-        self.assertEqual(self.output,"Wie Hallo Welt! gehts?")
+    def runTest(self): self.check_output()
 
 class MultilineExpand_ExceptCorrectResult(_VimTest):
+    wanted = "Wie Hallo Welt!\nUnd Wie gehts? gehts?"
     snippets = ("hallo", "Hallo Welt!\nUnd Wie gehts?")
     def cmd(self):
         self.type("Wie hallo gehts?")
         self.escape()
         self.type("bhi\t")
-    def runTest(self):
-        self.assertEqual(self.output, "Wie Hallo Welt!\nUnd Wie gehts? gehts?")
+    def runTest(self): self.check_output()
 class MultilineExpandTestTyping_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "Hallo Welt!\nUnd Wie gehts?")
+    wanted = "Wie Hallo Welt!\nUnd Wie gehts?Huiui! gehts?"
     def cmd(self):
         self.type("Wie hallo gehts?")
         self.escape()
         self.type("bhi\tHuiui!")
-    def runTest(self):
-        self.assertEqual(self.output,
-             "Wie Hallo Welt!\nUnd Wie gehts?Huiui! gehts?")
+    def runTest(self): self.check_output()
 
 ############
 # TabStops #
 ############
 class TabStopSimpleReplace_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo ${0:End} ${1:Beginning}")
+    wanted = "hallo Du Nase na"
     def cmd(self):
         self.type("hallo\tna\tDu Nase")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Du Nase na")
+    def runTest(self): self.check_output()
 
 class TabStopSimpleReplaceSurrounded_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo ${0:End} a small feed")
+    wanted = "hallo Nase a small feed"
     def cmd(self):
         self.type("hallo\tNase")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Nase a small feed")
+    def runTest(self): self.check_output()
 class TabStopSimpleReplaceSurrounded1_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo $0 a small feed")
+    wanted = "hallo Nase a small feed"
     def cmd(self):
         self.type("hallo\tNase")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Nase a small feed")
+    def runTest(self): self.check_output()
 
 
 class ExitTabStop_ExceptCorrectResult(_VimTest):
     snippets = ("echo", "$0 run")
+    wanted = "test run"
     def cmd(self):
         self.type("echo\ttest")
-    def runTest(self):
-        self.assertEqual(self.output,"test run")
+    def runTest(self): self.check_output()
 
 class TabStopNoReplace_ExceptCorrectResult(_VimTest):
     snippets = ("echo", "echo ${1:Hallo}")
+    wanted = "echo Hallo"
     def cmd(self):
         self.type("echo\t")
-    def runTest(self):
-        self.assertEqual(self.output,"echo Hallo")
+    def runTest(self): self.check_output()
 
 class TabStopTestJumping_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo ${0:End} mitte ${1:Beginning}")
+    wanted = "hallo TestHi mitte Beginning"
     def cmd(self):
         self.type("hallo\t\tTest\tHi")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo TestHi mitte Beginning")
+    def runTest(self): self.check_output()
 class TabStopTestJumping2_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo $0 $1")
+    wanted = "hallo TestHi "
     def cmd(self):
         self.type("hallo\t\tTest\tHi")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo TestHi ")
+    def runTest(self): self.check_output()
 
 class TabStopTestBackwardJumping_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo ${0:End} mitte${1:Beginning}")
+    wanted = "hallo Blah mitteLets replace it again"
     def cmd(self):
         self.type("hallo\tSomelengthy Text\tHi+Lets replace it again\tBlah\t++\t")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Blah mitteLets replace it again")
+    def runTest(self): self.check_output()
 class TabStopTestBackwardJumping2_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo $0 $1")
+    wanted = "hallo Blah Lets replace it again"
     def cmd(self):
         self.type("hallo\tSomelengthy Text\tHi+Lets replace it again\tBlah\t++\t")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Blah Lets replace it again")
+    def runTest(self): self.check_output()
 
 class TabStopTestMultilineExpand_ExceptCorrectResult(_VimTest):
     snippets = ("hallo", "hallo $0\nnice $1 work\n$3 $2\nSeem to work")
+    wanted = "test hallo one more\nnice world work\ntest try\nSeem to work World"
     def cmd(self):
         self.type("test hallo World")
         self.escape()
         self.type("02f i\tworld\ttry\ttest\tone more\t\t")
-    def runTest(self):
-        self.assertEqual(self.output,
-            "test hallo one more\nnice world work\ntest try\nSeem to work World")
+    def runTest(self): self.check_output()
 
 # TODO: pasting with <C-R> while mirroring
 ###########
@@ -204,137 +209,127 @@ class TabStopTestMultilineExpand_ExceptCorrectResult(_VimTest):
 ###########
 class TextTabStopTextAfterTab_ExceptCorrectResult(_VimTest):
     snippets = ("test", "$1 Hinten\n$1")
+    wanted = "hallo Hinten\nhallo"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo Hinten\nhallo")
+    def runTest(self): self.check_output()
 class TextTabStopTextBeforeTab_ExceptCorrectResult(_VimTest):
     snippets = ("test", "Vorne $1\n$1")
+    wanted = "Vorne hallo\nhallo"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"Vorne hallo\nhallo")
+    def runTest(self): self.check_output()
 class TextTabStopTextSurroundedTab_ExceptCorrectResult(_VimTest):
     snippets = ("test", "Vorne $1 Hinten\n$1")
+    wanted = "Vorne hallo test Hinten\nhallo test"
     def cmd(self):
         self.type("test\thallo test")
-    def runTest(self):
-        self.assertEqual(self.output,"Vorne hallo test Hinten\nhallo test")
+    def runTest(self): self.check_output()
 
 class TextTabStopTextBeforeMirror_ExceptCorrectResult(_VimTest):
     snippets = ("test", "$1\nVorne $1")
+    wanted = "hallo\nVorne hallo"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo\nVorne hallo")
+    def runTest(self): self.check_output()
 class TextTabStopAfterMirror_ExceptCorrectResult(_VimTest):
     snippets = ("test", "$1\n$1 Hinten")
+    wanted = "hallo\nhallo Hinten"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo\nhallo Hinten")
+    def runTest(self): self.check_output()
 class TextTabStopSurroundMirror_ExceptCorrectResult(_VimTest):
     snippets = ("test", "$1\nVorne $1 Hinten")
+    wanted = "hallo welt\nVorne hallo welt Hinten"
     def cmd(self):
         self.type("test\thallo welt")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo welt\nVorne hallo welt Hinten")
+    def runTest(self): self.check_output()
 class TextTabStopAllSurrounded_ExceptCorrectResult(_VimTest):
     snippets = ("test", "ObenVorne $1 ObenHinten\nVorne $1 Hinten")
+    wanted = "ObenVorne hallo welt ObenHinten\nVorne hallo welt Hinten"
     def cmd(self):
         self.type("test\thallo welt")
-    def runTest(self):
-        self.assertEqual(self.output,"ObenVorne hallo welt ObenHinten\nVorne hallo welt Hinten")
+    def runTest(self): self.check_output()
 
 
 # TODO: mirror mit tabstop mit default variable
 # TODO: Mehrer tabs und mehrere mirrors
 class TextTabStopSimpleMirrorMultiline_ExceptCorrectResult(_VimTest):
     snippets = ("test", "$1\n$1")
+    wanted = "hallo\nhallo"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"hallo\nhallo")
-class TextTabStopSimpleMirrorMultilineMany_ExceptCorrectResult(_VimTest):
+    def runTest(self): self.check_output()
+class SimpleMirrorMultilineMany_ExceptCorrectResult(_VimTest):
     snippets = ("test", "    $1\n$1\na$1b\n$1\ntest $1 mich")
+    wanted = "    hallo\nhallo\nahallob\nhallo\ntest hallo mich"
     def cmd(self):
         self.type("test\thallo")
-    def runTest(self):
-        self.assertEqual(self.output,"    hallo\nhallo\nahallob\nhallo\ntest hallo mich")
+    def runTest(self): self.check_output()
 
 
-class TextTabStopSimpleMirrorDelete_ExceptCorrectResult(_VimTest):
-    snippets = (
-        ("test", "$1\n$1"),
-    )
+class SimpleMirrorDelete_ExceptCorrectResult(_VimTest):
+    snippets = ("test", "$1\n$1")
+    wanted = "hal\nhal"
     def cmd(self):
         self.type("test\thallo")
         self.type("\b\b")
 
-    def runTest(self):
-        self.assertEqual(self.output,"hal\nhal")
+    def runTest(self): self.check_output()
 
-class TextTabStopSimpleMirrorSameLine_ExceptCorrectResult(_VimTest):
-    snippets = (
-        ("test", "$1 $1"),
-    )
+class SimpleMirrorSameLine_ExceptCorrectResult(_VimTest):
+    snippets = ("test", "$1 $1")
+    wanted = "hallo hallo"
     def cmd(self):
         self.type("test\thallo")
 
 
-    def runTest(self):
-        self.assertEqual(self.output,"hallo hallo")
-class TextTabStopSimpleMirrorSameLineMany_ExceptCorrectResult(_VimTest):
-    snippets = (
-        ("test", "$1 $1 $1 $1"),
-    )
+    def runTest(self): self.check_output()
+class SimpleMirrorSameLineMany_ExceptCorrectResult(_VimTest):
+    snippets = ("test", "$1 $1 $1 $1")
+    wanted = "hallo du hallo du hallo du hallo du"
     def cmd(self):
         self.type("test\thallo du")
 
 
-    def runTest(self):
-        self.assertEqual(self.output,"hallo du hallo du hallo du hallo du")
-class TextTabStopSimpleMirrorDeleteSomeEnterSome_ExceptCorrectResult(_VimTest):
-    snippets = (
-        ("test", "$1\n$1"),
-    )
+    def runTest(self): self.check_output()
+class SimpleMirrorDeleteSomeEnterSome_ExceptCorrectResult(_VimTest):
+    snippets = ("test", "$1\n$1")
+    wanted = "halhups\nhalhups"
     def cmd(self):
         self.type("test\thallo\b\bhups")
 
-    def runTest(self):
-        self.assertEqual(self.output,"halhups\nhalhups")
+    def runTest(self): self.check_output()
 
 
-class TextTabStopSimpleTabstopWithDefaultSimpelType_ExceptCorrectResult(_VimTest):
+class SimpleTabstopWithDefaultSimpelType_ExceptCorrectResult(_VimTest):
     snippets = ("test", "ha ${1:defa}\n$1")
+    wanted = "ha world\nworld"
     def cmd(self):
         self.type("test\tworld")
-    def runTest(self):
-        self.assertEqual(self.output, "ha world\nworld")
-class TextTabStopSimpleTabstopWithDefaultComplexType_ExceptCorrectResult(_VimTest):
+    def runTest(self): self.check_output()
+class SimpleTabstopWithDefaultComplexType_ExceptCorrectResult(_VimTest):
     snippets = ("test", "ha ${1:default value} $1\nanother: $1 mirror")
+    wanted = "ha world world\nanother: world mirror"
     def cmd(self):
         self.type("test\tworld")
-    def runTest(self):
-        self.assertEqual(self.output,
-            "ha world world\nanother: world mirror")
-class TextTabStopSimpleTabstopWithDefaultSimpelKeep_ExceptCorrectResult(_VimTest):
+    def runTest(self): self.check_output()
+class SimpleTabstopWithDefaultSimpelKeep_ExceptCorrectResult(_VimTest):
     snippets = ("test", "ha ${1:defa}\n$1")
+    wanted = "ha defa\ndefa"
     def cmd(self):
         self.type("test\t")
-    def runTest(self):
-        self.assertEqual(self.output, "ha defa\ndefa")
-class TextTabStopSimpleTabstopWithDefaultComplexKeep_ExceptCorrectResult(_VimTest):
+    def runTest(self): self.check_output()
+class SimpleTabstopWithDefaultComplexKeep_ExceptCorrectResult(_VimTest):
     snippets = ("test", "ha ${1:default value} $1\nanother: $1 mirror")
+    wanted = "ha default value default value\nanother: default value mirror"
     def cmd(self):
         self.type("test\t")
-    def runTest(self):
-        self.assertEqual(self.output,
-            "ha default value default value\nanother: default value mirror")
+    def runTest(self): self.check_output()
 
 
 
-# class TextTabStopMirrorMoreInvolved_ExceptCorrectResult(_VimTest):
+# class MirrorMoreInvolved_ExceptCorrectResult(_VimTest):
 #     snippets = (
 #         ("for", "for(size_t ${2:i} = 0; $2 < ${1:count}; ${3:++$2})\n{\n\t${0:/* code */}\n}"),
 #     )