From 938210c3ad77eb3819b384d93800d707cdaf65fb Mon Sep 17 00:00:00 2001
From: Andrew Tunnell-Jones <andrew@tj.id.au>
Date: Sat, 11 Jan 2014 05:31:43 +0000
Subject: [PATCH] Test parsing of TXT records containing empty-strings

---
 parse_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/parse_test.go b/parse_test.go
index a78e00b3..bfdd942a 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -738,6 +738,26 @@ func TestTXT(t *testing.T) {
 			t.Error("Bad size of serialized multi value record:", rr.len())
 		}
 	}
+
+	// Test empty-string in TXT record
+	rr, err = NewRR(`_raop._tcp.local. 60 IN TXT ""`)
+	if err != nil {
+		t.Error("Failed to parse empty-string TXT record", err)
+	} else if rr, ok := rr.(*TXT); !ok {
+		t.Error("Wrong type, record should be of type TXT")
+	} else {
+		if len(rr.Txt) != 1 {
+			t.Error("Bad size of TXT empty-string value:", len(rr.Txt))
+		} else if rr.Txt[0] != "" {
+			t.Error("Bad value for empty-string TXT record")
+		}
+		if rr.String() != `_raop._tcp.local.	60	IN	TXT	""` {
+			t.Error("Bad representation of empty-string TXT record:", rr.String())
+		}
+		if rr.len() != 28+1 {
+			t.Error("Bad size of serialized record:", rr.len())
+		}
+	}
 }
 
 func TestTypeXXXX(t *testing.T) {