From 5ae56e6a778d84ac42935b9ba580df5748bbb593 Mon Sep 17 00:00:00 2001
From: boombuler <boombuler@googlemail.com>
Date: Sat, 21 Dec 2013 01:17:58 +0100
Subject: [PATCH] added codabar test

---
 codabar/encoder_test.go | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 codabar/encoder_test.go

diff --git a/codabar/encoder_test.go b/codabar/encoder_test.go
new file mode 100644
index 0000000..24c2aaa
--- /dev/null
+++ b/codabar/encoder_test.go
@@ -0,0 +1,29 @@
+package codabar
+
+import (
+	"image/color"
+	"testing"
+)
+
+func Test_Encode(t *testing.T) {
+	_, err := Encode("FOOBAR")
+	if err == nil {
+		t.Error("\"FOOBAR\" should not be encodable")
+	}
+
+	code, err := Encode("A40156B")
+	if err != nil || code == nil {
+		t.Fail()
+	} else {
+		testResult := "10110010010101101001010101001101010110010110101001010010101101010010011"
+		if code.Bounds().Max.X != len(testResult) {
+			t.Error("length missmatch")
+		} else {
+			for i, r := range testResult {
+				if (code.At(i, 0) == color.Black) != (r == '1') {
+					t.Errorf("code missmatch on position %d", i)
+				}
+			}
+		}
+	}
+}