Add v2.3 test

id3v23_test.go

@@ -0,0 +1,35 @@
+// Copyright 2013 Michael Yang. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package id3
+
+import (
+	"bytes"
+	"testing"
+)
+
+var (
+	textData = []byte{84, 80, 69, 49, 0, 0, 0, 13, 0, 0, 0, 77, 105, 99, 104, 97, 101, 108, 32, 89, 97, 110, 103}
+)
+
+func TestV23Frame(t *testing.T) {
+	frame := ParseV23Frame(bytes.NewReader(textData))
+	textFrame, ok := frame.(*TextFrame)
+	if !ok {
+		t.Errorf("ParseV23Frame on text data returns wrong type")
+	}
+
+	const text = "Michael Yang"
+	if ft := textFrame.Text(); ft != text {
+		t.Errorf("ParseV23Frame incorrect text, expected %s not %s", text, ft)
+	}
+
+	const encoding = "ISO-8859-1"
+	if e := textFrame.Encoding(); e != encoding {
+		t.Errorf("ParseV23Frame incorrect encoding, expected %s not %s", encoding, e)
+	}
+
+	if b := V23Bytes(frame); !bytes.Equal(textData, b) {
+		t.Errorf("V23Bytes produces different byte slice, expected %v not %v", textData, b)
+	}
+}