diff --git a/tests/test_tiled_object.py b/tests/test_tiled_object.py
index 5e26931..b0b1de8 100644
--- a/tests/test_tiled_object.py
+++ b/tests/test_tiled_object.py
@@ -9,7 +9,8 @@ from pytiled_parser import common_types, tiled_object
 ELLIPSES = [
     (
         """
-        {"ellipse":true,
+        {
+        "ellipse":true,
         "height":18.5517790155735,
         "id":6,
         "name":"name: ellipse",
@@ -18,7 +19,8 @@ ELLIPSES = [
         "visible":true,
         "width":57.4013868364215,
         "x":37.5400704785722,
-        "y":81.1913152210981}
+        "y":81.1913152210981
+        }
         """,
         tiled_object.Ellipse(
             id_=6,
@@ -32,7 +34,8 @@ ELLIPSES = [
     ),
     (
         """
-        {"ellipse":true,
+        {
+        "ellipse":true,
         "height":31.4288962146186,
         "id":7,
         "name":"name: ellipse - invisible",
@@ -41,7 +44,8 @@ ELLIPSES = [
         "visible":false,
         "width":6.32943048766625,
         "x":22.6986472661134,
-        "y":53.9092872570194}
+        "y":53.9092872570194
+        }
         """,
         tiled_object.Ellipse(
             id_=7,
@@ -55,7 +59,8 @@ ELLIPSES = [
     ),
     (
         """
-        {"ellipse":true,
+        {
+        "ellipse":true,
         "height":24.2264408321018,
         "id":8,
         "name":"name: ellipse - rotated",
@@ -64,7 +69,8 @@ ELLIPSES = [
         "visible":true,
         "width":29.6828464249176,
         "x":35.7940206888712,
-        "y":120.040923041946}
+        "y":120.040923041946
+        }
         """,
         tiled_object.Ellipse(
             id_=8,
@@ -81,7 +87,8 @@ ELLIPSES = [
 RECTANGLES = [
     (
         """
-        {"height":41.4686825053996,
+        {
+        "height":41.4686825053996,
         "id":1,
         "name":"name: rectangle",
         "rotation":0,
@@ -89,7 +96,8 @@ RECTANGLES = [
         "visible":true,
         "width":45.3972945322269,
         "x":27.7185404115039,
-        "y":23.571672160964}
+        "y":23.571672160964
+        }
         """,
         tiled_object.Rectangle(
             id_=1,
@@ -106,7 +114,8 @@ RECTANGLES = [
 POINTS = [
     (
         """
-        {"height":0,
+        {
+        "height":0,
         "id":2,
         "name":"name:  point",
         "point":true,
@@ -115,7 +124,8 @@ POINTS = [
         "visible":true,
         "width":0,
         "x":159.981811981357,
-        "y":82.9373650107991}
+        "y":82.9373650107991
+        }
         """,
         {
             "height": 0,
@@ -136,7 +146,197 @@ TILE_IMAGES = []
 
 POLYGONS = []
 
-POLYLINES = []
+POLYLINES = [
+    (
+        """
+        {
+        "height":0,
+        "id":9,
+        "name":"name: polyline",
+        "polygon":[
+            {
+                "x":0,
+                "y":0
+            }, 
+            {
+                "x":19.424803910424,
+                "y":27.063771740366
+            }, 
+            {
+                "x":19.6430601341366,
+                "y":3.05558713197681
+            }, 
+            {
+                "x":-2.61907468455156,
+                "y":15.9327043310219
+            }, 
+            {
+                "x":25.317721950665,
+                "y":16.3692167784472
+            }],
+        "rotation":0,
+        "type":"polyline",
+        "visible":true,
+        "width":0,
+        "x":89.485051722178,
+        "y":38.6313515971354
+        }
+        """,
+        tiled_object.Polyline(
+            id_=9,
+            name="name: polyline",
+            points=[
+                common_types.OrderedPair(0, 0),
+                common_types.OrderedPair(19.424803910424, 27.063771740366),
+                common_types.OrderedPair(19.6430601341366, 3.05558713197681),
+                common_types.OrderedPair(-2.61907468455156, 15.9327043310219),
+                common_types.OrderedPair(25.317721950665, 16.3692167784472),
+            ],
+            rotation=0,
+            type="polyline",
+            visible=True,
+            coordinates=common_types.OrderedPair(89.485051722178, 38.6313515971354),
+        ),
+    ),
+    (
+        """
+        {
+                 "height":0,
+                 "id":10,
+                 "name":"name: polyline - invisible",
+                 "polygon":[
+                        {
+                         "x":0,
+                         "y":0
+                        },
+                        {
+                         "x":-12.8771171990451,
+                         "y":7.63896782994203
+                        },
+                        {
+                         "x":-14.8414232124588,
+                         "y":-10.2580425144936
+                        }],
+                 "rotation":0,
+                 "type":"polyline",
+                 "visible":false,
+                 "width":0,
+                 "x":133.791065135842,
+                 "y":24.4446970558145
+        }
+        """,
+        tiled_object.Polyline(
+            id_=10,
+            name="name: polyline - invisible",
+            points=[
+                common_types.OrderedPair(0, 0),
+                common_types.OrderedPair(-12.8771171990451, 7.63896782994203),
+                common_types.OrderedPair(-14.8414232124588, -10.2580425144936),
+            ],
+            rotation=0,
+            type="polyline",
+            visible=False,
+            coordinates=common_types.OrderedPair(133.791065135842, 24.4446970558145),
+        ),
+    ),
+    (
+        """
+        {
+                 "height":0,
+                 "id":11,
+                 "name":"name: polyline - rotated",
+                 "polygon":[
+                        {
+                         "x":0,
+                         "y":0
+                        }, 
+                        {
+                         "x":-12.8771171990451,
+                         "y":0
+                        }, 
+                        {
+                         "x":-6.98419915880413,
+                         "y":7.63896782994203
+                        }, 
+                        {
+                         "x":-13.9683983176083,
+                         "y":16.8057292258725
+                        }, 
+                        {
+                         "x":3.71035580311468,
+                         "y":15.277935659884
+                        }, 
+                        {
+                         "x":-3.71035580311471,
+                         "y":8.29373650107991
+                        }],
+                 "rotation":123,
+                 "type":"polyline",
+                 "visible":true,
+                 "width":0,
+                 "x":152.779356598841,
+                 "y":19.8613163578493            
+        }
+        """,
+        tiled_object.Polyline(
+            id_=11,
+            name="name: polyline - rotated",
+            points=[
+                common_types.OrderedPair(0, 0),
+                common_types.OrderedPair(-12.8771171990451, 0),
+                common_types.OrderedPair(-6.98419915880413, 7.63896782994203),
+                common_types.OrderedPair(-13.9683983176083, 16.8057292258725),
+                common_types.OrderedPair(3.71035580311468, 15.277935659884),
+                common_types.OrderedPair(-3.71035580311471, 8.29373650107991),
+            ],
+            rotation=123,
+            type="polyline",
+            visible=True,
+            coordinates=common_types.OrderedPair(152.779356598841, 19.8613163578493),
+        ),
+    ),
+    (
+        """
+        {
+                 "height":0,
+                 "id":12,
+                 "name":"name: polyline - not closed",
+                 "polyline":[
+                        {
+                         "x":0,
+                         "y":0
+                        }, 
+                        {
+                         "x":-13.3136296464704,
+                         "y":41.0321700579743
+                        }, 
+                        {
+                         "x":21.3891099238377,
+                         "y":16.8057292258725
+                        }],
+                 "rotation":0,
+                 "type":"polyline",
+                 "visible":true,
+                 "width":0,
+                 "x":124.187791292486,
+                 "y":90.1398203933159
+        }
+        """,
+        tiled_object.Polyline(
+            id_=12,
+            name="name: polyline - not closed",
+            points=[
+                common_types.OrderedPair(0, 0),
+                common_types.OrderedPair(-13.3136296464704, 41.0321700579743),
+                common_types.OrderedPair(21.3891099238377, 16.8057292258725),
+            ],
+            rotation=0,
+            type="polyline",
+            visible=True,
+            coordinates=common_types.OrderedPair(124.187791292486, 90.1398203933159),
+        ),
+    ),
+]
 
 TEXTS = []