diff --git a/README.md b/README.md
index 601c1ef..b630c1b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # ZPLGFA Golang Package
 
 [![GoDoc](https://godoc.org/github.com/SimonWaldherr/zplgfa?status.svg)](https://godoc.org/github.com/SimonWaldherr/zplgfa) 
+[![Build Status](https://travis-ci.org/SimonWaldherr/zplgfa.svg?branch=master)](https://travis-ci.org/SimonWaldherr/zplgfa) 
+[![Coverage Status](https://coveralls.io/repos/github/SimonWaldherr/zplgfa/badge.svg?branch=master)](https://coveralls.io/github/SimonWaldherr/zplgfa?branch=master) 
 [![Go Report Card](https://goreportcard.com/badge/github.com/SimonWaldherr/zplgfa)](https://goreportcard.com/report/github.com/SimonWaldherr/zplgfa) 
 [![codebeat badge](https://codebeat.co/badges/28d795af-6f9b-453a-94c2-4fafb8b5b0d5)](https://codebeat.co/projects/github-com-simonwaldherr-zplgfa-master) 
 [![BCH compliance](https://bettercodehub.com/edge/badge/SimonWaldherr/zplgfa?branch=master)](https://bettercodehub.com/results/SimonWaldherr/zplgfa) 
diff --git a/test2.png b/test2.png
new file mode 100644
index 0000000..ae77cac
Binary files /dev/null and b/test2.png differ
diff --git a/zplgfa_test.go b/zplgfa_test.go
index 3ee3ea9..c2f1248 100644
--- a/zplgfa_test.go
+++ b/zplgfa_test.go
@@ -11,49 +11,75 @@ import (
 	"strings"
 )
 
+type zplTest struct {
+	file string
+	zpl string
+}
+
+var zplTests []zplTest
+
+func init() {
+	zplTests = []zplTest{
+		{
+			file: "./test.png",
+			zpl: "^XA,^FS^FO0,0^GFA,32,51,3,,::01C000::,001C00::,1DDC00::,::^FS,^XZ",
+		},
+		{
+			file: "./test2.png",
+			zpl: "^XA,^FS^FO0,0^GFA,389,630,63,,038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038000::1C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C7100::E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00:lJF00^FS,^XZ",
+		},
+	}
+}
+
 func Test_CompressASCII(t *testing.T) {
 	if str := CompressASCII("FFFFFFFF000000"); str != "NFL0" {
 		t.Fatalf("CompressASCII failed")
 	}
 }
 
+
+
 func Test_ConvertToZPL(t *testing.T) {
-	// open file
-	file, err := os.Open("./test.png")
-	if err != nil {
-		log.Printf("Warning: could not open the file: %s\n", err)
-		return
-	}
-
-	defer file.Close()
-
-	// load image head information
-	config, format, err := image.DecodeConfig(file)
-	if err != nil {
-		log.Printf("Warning: image not compatible, format: %s, config: %v, error: %s\n", format, config, err)
-	}
-
-	// reset file pointer to the beginning of the file
-	file.Seek(0, 0)
-
-	// load and decode image
-	img, _, err := image.Decode(file)
-	if err != nil {
-		log.Printf("Warning: could not decode the file, %s\n", err)
-		return
-	}
-
-	// flatten image
-	flat := FlattenImage(img)
-
-	// convert image to zpl compatible type
-	gfimg := ConvertToZPL(flat, CompressedASCII)
-	
-	// remove whitespace - only for the test
-	gfimg = strings.Replace(gfimg, " ", "", -1)
-	gfimg = strings.Replace(gfimg, "\n", "", -1)
-
-	if gfimg != "^XA,^FS^FO0,0^GFA,32,51,3,,::01C000::,001C00::,1DDC00::,::^FS,^XZ" {
-		t.Fatalf("ConvertToZPL failed")
+	for i, testcase := range zplTests {
+		
+		filename, zplstring := testcase.file, testcase.zpl
+		// open file
+		file, err := os.Open(filename)
+		if err != nil {
+			log.Printf("Warning: could not open the file: %s\n", err)
+			return
+		}
+		
+		defer file.Close()
+		
+		// load image head information
+		config, format, err := image.DecodeConfig(file)
+		if err != nil {
+			log.Printf("Warning: image not compatible, format: %s, config: %v, error: %s\n", format, config, err)
+		}
+		
+		// reset file pointer to the beginning of the file
+		file.Seek(0, 0)
+		
+		// load and decode image
+		img, _, err := image.Decode(file)
+		if err != nil {
+			log.Printf("Warning: could not decode the file, %s\n", err)
+			return
+		}
+		
+		// flatten image
+		flat := FlattenImage(img)
+		
+		// convert image to zpl compatible type
+		gfimg := ConvertToZPL(flat, CompressedASCII)
+		
+		// remove whitespace - only for the test
+		gfimg = strings.Replace(gfimg, " ", "", -1)
+		gfimg = strings.Replace(gfimg, "\n", "", -1)
+		
+		if gfimg != zplstring {
+			t.Fatalf("Testcase %d ConvertToZPL failed", i)
+		}
 	}
 }