1 files changed, 33 insertions, 0 deletions
diff --git a/projects/go-snappy/fuzz.go b/projects/go-snappy/fuzz.go
new file mode 100644
index 000000000..6722fd02d
--- /dev/null
+++ b/projects/go-snappy/fuzz.go
@@ -0,0 +1,33 @@
+// +build gofuzz
+
+package snappy
+
+import (
+	"bytes"
+)
+
+func FuzzRoundTrip(data []byte) int {
+	if len(data) > 1234567 {
+		return 0
+	}
+	encoded := Encode(nil, data)
+	decoded, err := Decode(nil, encoded)
+	if err != nil {
+		panic("Error decoding snappy-encoded")
+	}
+	if !bytes.Equal(data, decoded) {
+		panic("Different result on roundtrip encode/decode")
+	}
+	return 1
+}
+
+func FuzzDecode(data []byte) int {
+	if n, _ := DecodedLen(data); n > 1234567 {
+		return 0
+	}
+	_, err := Decode(nil, data)
+	if err != nil {
+		return 0
+	}
+	return 1
+}