Simple roundtrip from ipptool works.

packages/ipp/urivalue_test.go

@@ -0,0 +1,17 @@
+package ipp
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMarshalUriValue(T *testing.T) {
+	var u uriValue
+	u.name = "foo"
+	u.value = "bar"
+	b := u.marshal()
+	assert.Len(T, b, 11)
+	fmt.Printf("% x\n", b)
+}