Simple roundtrip from ipptool works.

packages/ipp/response_test.go

@@ -0,0 +1,29 @@
+package ipp
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestMarshalResponseHeader(T *testing.T) {
+	var h ippResponseHeader
+
+	h.versionNumber = 0x0101
+	h.statusCode = SuccessfulOk
+	h.requestId = 0xdeadbeef
+
+	b := h.marshal()
+	fmt.Printf("% x\n", b)
+
+}
+
+func TestMarshalCompleteResponse(T *testing.T) {
+	r := NewResponse(SuccessfulOk, 0xdeadbeef)
+
+	a := NewCharSetValue("attributes-charset", "UTF-8")
+	r.AddPrinterAttribute(a)
+
+	b := r.Marshal()
+	fmt.Printf("% x\n", b)
+
+}