diff --git a/tests/testNullFencepost.htm b/tests/testNullFencepost.htm
new file mode 100644
index 0000000..890c37f
--- /dev/null
+++ b/tests/testNullFencepost.htm
@@ -0,0 +1,59 @@
+<hmtl>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+		<title>CurvedLines Plugin for flot</title>
+		<script language="javascript" type="text/javascript" src="../flot/jquery.min.js"></script>
+		<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../flot/excanvas.min.js"></script><![endif]-->
+		<script language="javascript" type="text/javascript" src="../flot/jquery.flot.min.js"></script>
+		<script language="JavaScript" type="text/javascript" src="../curvedLines.js"></script>
+		<script language="JavaScript" type="text/javascript" src="_TestSetup.js"></script>
+		<link rel="stylesheet" type="text/css" href="_TestSetup.css"></link>
+	</head>
+	<body>
+		<div id="placeholder" style="width: 800;height: 400;"></div>
+		<div id="parameters" style="width: 800"></div>
+
+		<script id="source" language="javascript" type="text/javascript">
+			$(function() {
+				//data	fencepost
+				var d1 = [[null, 200], [40, 60], [50,30], [80, 80], [90, 80], [200, null]];
+
+				//general plot options
+				var options = {
+					series : {
+						curvedLines : {
+							active : true
+						}
+					}
+				};
+				
+				//curved line paramters
+				var defaultParameters = {
+					apply: true,
+					legacyOverride: false
+				}
+
+				//plot function
+				function replot(parameters) {
+					$.plot($("#placeholder"), [{
+						data : d1,
+						lines : {
+							show : true,
+							lineWidth : 3
+						},
+						curvedLines : parameters
+					}, {
+						data : d1,
+						points : {
+							show : true
+						}
+					}], options);
+				}
+				
+				//combine everything
+				TestSetup($("#parameters"), defaultParameters, [replot])
+			});
+		</script>
+	</body>
+
+</hmtl>
\ No newline at end of file
diff --git a/tests/testNullSplit.htm b/tests/testNullSplit.htm
new file mode 100644
index 0000000..4a4f999
--- /dev/null
+++ b/tests/testNullSplit.htm
@@ -0,0 +1,54 @@
+<hmtl>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+		<title>CurvedLines Plugin for flot</title>
+		<script language="javascript" type="text/javascript" src="../flot/jquery.min.js"></script>
+		<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../flot/excanvas.min.js"></script><![endif]-->
+		<script language="javascript" type="text/javascript" src="../flot/jquery.flot.min.js"></script>
+		<script language="JavaScript" type="text/javascript" src="../curvedLines.js"></script>
+		<script language="JavaScript" type="text/javascript" src="_TestSetup.js"></script>
+		<link rel="stylesheet" type="text/css" href="_TestSetup.css"></link>
+	</head>
+	<body>
+		<div id="placeholder" style="width: 800;height: 400;"></div>
+		<div id="parameters" style="width: 800"></div>
+
+		<script id="source" language="javascript" type="text/javascript">
+			$(function() {
+				//data	split
+				var d1 = [[20, 20], [42, 60], [54, null], [80, 80], [90, 80]];
+
+				//general plot options
+				var options = {
+					series : {
+						curvedLines : {
+							active : true
+						}
+					}
+				};
+				
+				//curved line paramters
+				var defaultParameters = {
+					apply: true,
+					legacyOverride: false
+				}
+
+				//plot function
+				function replot(parameters) {
+					$.plot($("#placeholder"), [{
+						data : d1,
+						lines : {
+							show : true,
+							lineWidth : 3
+						},
+						curvedLines : parameters
+					}], options);
+				}
+				
+				//combine everything
+				TestSetup($("#parameters"), defaultParameters, [replot])
+			});
+		</script>
+	</body>
+
+</hmtl>
\ No newline at end of file
