Initial fuzz tests

fuzz_test.go

@@ -0,0 +1,48 @@
+package sqids
+
+import (
+	"fmt"
+	"testing"
+)
+
+func FuzzDecode(f *testing.F) {
+	s, err := New()
+	if err != nil {
+		f.Fatalf("unexpected error: %v", err)
+	}
+
+	f.Fuzz(func(t *testing.T, id string) {
+		s.Decode(id)
+	})
+}
+
+func FuzzEncode(f *testing.F) {
+	s, err := New()
+	if err != nil {
+		f.Fatalf("unexpected error: %v", err)
+	}
+
+	f.Fuzz(func(t *testing.T, u uint64) {
+		s.Encode([]uint64{u})
+	})
+}
+
+func FuzzNewEncodeDecode(f *testing.F) {
+	f.Add(defaultAlphabet, uint64(1))
+
+	f.Fuzz(func(t *testing.T, alphabet string, u uint64) {
+		s, err := New(Options{
+			Alphabet: alphabet,
+		})
+		if err == nil {
+			id, err := s.Encode([]uint64{u})
+			if err == nil {
+				d := s.Decode(id)
+
+				if d[0] != u {
+					panic(fmt.Sprintf("%d != %d", d[0], u))
+				}
+			}
+		}
+	})
+}