diff --git a/structure.py b/structure.py
index bbc6bee..3f0d819 100644
--- a/structure.py
+++ b/structure.py
@@ -14,7 +14,11 @@ class RSSVector():
         self.n2 = n2
         self.n3 = n3
         self.n4 = n4
-
+    
+    def __eq__(self, v2):
+        return True if v2.n1 == self.n1 and  v2.n2 == self.n2 \
+        and  v2.n3 == self.n3 and  v2.n4 == self.n4 else False
+        
 class Location():
     def __init__(self, x, y, z=0):
         self.x = x
diff --git a/test_structure.py b/test_structure.py
index ea2e392..bf57f3a 100644
--- a/test_structure.py
+++ b/test_structure.py
@@ -39,4 +39,40 @@ def test_MarkovModel():
     test_MM.moveToCellID(3)
     assert test_MM.previousCell == 3
     test_MM.moveToCell(Tf[0][1])
-    assert test_MM.previousCell  == 2
\ No newline at end of file
+    assert test_MM.previousCell  == 2
+
+def test_newCell():
+      testCell = newCell(-38,-27,-54,-13,2,2)
+      assert testCell.location == Location(2,2)
+      assert testCell.v == RSSVector(-38,-27,-54,-13)
+
+def test_Path():
+      test_MM = MarkovModel(Tf)
+      assert test_MM.previousCell == 0
+      test_MM.path([1,2,3,4])
+      assert test_MM.previousCell == 4
+      test_MM.path([8,4,4])
+      assert test_MM.previousCell == 4
+
+def test_getPositionInArray():
+      test_loc = Location(2,2)
+      assert test_loc.getPositionInArray() == 0
+      test_loc = Location(2,6)
+      assert test_loc.getPositionInArray() == 1
+      test_loc = Location(10,10)
+      assert test_loc.getPositionInArray() == 8
+      
+def test_fromID():
+      test_loc = Location.fromID(3)
+      assert test_loc == Location(2,10)      
+      test_loc = Location.fromID(9)
+      assert test_loc == Location(10,10)      
+
+def test_getModeLikely():
+      test_MM = MarkovModel(Tf)
+      test_MM.path([1,2,3,4,3,4,3,5,4,5,6,4,3])
+      assert test_MM.getMostLikely() == 4
+      test_MM.path([5,6,7,6,7,6,7,5,6])
+      assert test_MM.getMostLikely() == 7
+      test_MM.path([4,4,4,4,4,4,4])
+      assert test_MM.getMostLikely() == 4
\ No newline at end of file
--
libgit2 0.21.4