Add fuzz test for go-fuzzfuzz

1 files changed, 23 insertions, 0 deletions

diff --git a/fuzz/fuzz.go b/fuzz/fuzz.go
new file mode 100644
index 0000000..4b0963c
--- /dev/null
+++ b/fuzz/fuzz.go
@@ -0,0 +1,23 @@
+package fuzz
+
+import "github.com/gorilla/securecookie"
+
+var hashKey = []byte("very-secret12345")
+var blockKey = []byte("a-lot-secret1234")
+var s = securecookie.New(hashKey, blockKey)
+
+func Fuzz(data []byte) int {
+	var m int
+	err := s.Decode("fuzz", string(data), &m)
+	if err != nil {
+		return 0
+	}
+	encoded, err := s.Encode("fuzz", m)
+	if err != nil {
+		panic(err)
+	}
+	if encoded != string(data) {
+		panic("not the same")
+	}
+	return 1
+}