3 files changed, 40 insertions, 5 deletions
diff --git a/example/Makefile b/example/Makefile
index c744d23..6aaad50 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -1,6 +1,9 @@
 VERSION = $(shell git describe --tags)
 BUILDTIME = $(shell date +%Y.%m.%d_%H%M)
 
+test: goimports build
+	./example
+
 modproto: clean withMutex goimports vet build
 	./example
 
diff --git a/example/fruit.New.go b/example/fruit.New.go
index 6d32ded..0be9b07 100644
--- a/example/fruit.New.go
+++ b/example/fruit.New.go
@@ -4,5 +4,6 @@ func NewFruits() *Fruits {
 	x := new(Fruits)
 	x.Uuid = "test"
 	x.Version = "v0.0.2"
+	// x.Fruits =
 	return x
 }
diff --git a/example/main.go b/example/main.go
index 6222701..90efe25 100644
--- a/example/main.go
+++ b/example/main.go
@@ -20,22 +20,53 @@ var uniqueKeys []string
 var pb *Fruits
 
 func main() {
-	pb = NewFruits()
+	// pb = NewFruits()
+	pb = new(Fruits)
+	pb.Uuid = "test"
+	pb.Version = "v0.0.2"
 
 	fruit := &Fruit{
 		Brand: "mom",
 		City:  "New NewYork",
 	}
+	x := new(Fruit)
+	x = &Fruit{
+		Brand: "dad",
+		City:  "Germany",
+	}
+	appendByUPC(x)
+	appendByUPC(fruit)
+
+	testAppend(fruit)
+	testAppend(x)
+}
+
+func testAppend(fruit *Fruit) {
 	if pb.AppendUnique(fruit) {
-		log.Info("AppendUnique() ok")
+		log.Info("AppendUnique() test1 ok", fruit.Brand, fruit.City)
 	} else {
-		log.Info("AppendUnique() failed")
+		log.Info("AppendUnique() test1 failed", fruit.Brand, fruit.City)
 		os.Exit(-1)
 	}
 	if pb.AppendUnique(fruit) {
-		log.Info("AppendUnique() worked but should not have")
+		log.Info("AppendUnique() test2 worked but should not have", fruit.Brand, fruit.City)
+		os.Exit(-1)
+	} else {
+		log.Info("AppendUnique() test2 failed ok", fruit.Brand, fruit.City)
+	}
+}
+
+func appendByUPC(fruit *Fruit) {
+	if pb.AppendUniqueUPC(fruit) {
+		log.Info("AppendUnique() test1 ok", fruit.Brand, fruit.City)
+	} else {
+		log.Info("AppendUnique() test1 failed", fruit.Brand, fruit.City)
+		os.Exit(-1)
+	}
+	if pb.AppendUniqueUPC(fruit) {
+		log.Info("AppendUnique() test2 worked but should not have", fruit.Brand, fruit.City)
 		os.Exit(-1)
 	} else {
-		log.Info("AppendUnique() failed ok")
+		log.Info("AppendUnique() test2 failed ok", fruit.Brand, fruit.City)
 	}
 }