replace zxq.co/ripple/hanayo

vendor/github.com/boombuler/barcode/ean/encoder_test.go

@@ -0,0 +1,46 @@
+package ean
+
+import (
+	"image/color"
+	"testing"
+)
+
+func testHelper(t *testing.T, testCode, testResult, kind string, checkMetadata bool) {
+	code, err := Encode(testCode)
+	if err != nil {
+		t.Error(err)
+	}
+	if checkMetadata && (code.Metadata().Dimensions != 1 || code.Content() != testCode || code.Metadata().CodeKind != kind) {
+		t.Error("Metadata missmatch")
+	}
+	if len(testResult) != code.Bounds().Max.X {
+		t.Fail()
+	}
+	for i, r := range testResult {
+		if (code.At(i, 0) == color.Black) != (r == '1') {
+			t.Fail()
+		}
+	}
+}
+
+func Test_EncodeEAN(t *testing.T) {
+	testHelper(t, "5901234123457", "10100010110100111011001100100110111101001110101010110011011011001000010101110010011101000100101", "EAN 13", true)
+	testHelper(t, "55123457", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", true)
+	testHelper(t, "5512345", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", false)
+	_, err := Encode("55123458") //<-- Invalid checksum
+	if err == nil {
+		t.Error("Invalid checksum not detected")
+	}
+	_, err = Encode("invalid")
+	if err == nil {
+		t.Error("\"invalid\" should not be encodable")
+	}
+	_, err = Encode("invalid")
+	if err == nil {
+		t.Error("\"invalid\" should not be encodable")
+	}
+	bits := encodeEAN13("invalid error")
+	if bits != nil {
+		t.Error("\"invalid error\" should not be encodable")
+	}
+}