Adjusted fuzzing to Go 1.18 native fuzzing (#157)

cristalhq · Jul 10, 2024 · 2b29b4e · 2b29b4e
1 parent 5acbf84
commit 2b29b4e
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Showing 2 changed files with 22 additions and 18 deletions.
diff --git a/fuzz.go b/fuzz.go
diff --git a/fuzz_test.go b/fuzz_test.go
@@ -0,0 +1,22 @@
+package jwt
+
+import (
+	"testing"
+)
+
+// How to run: `go test -fuzz=FuzzParseNoVerify -parallel=32`
+func FuzzParseNoVerify(f *testing.F) {
+	f.Add([]byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI1MDUxODI5Mzg2ODc2NTc3MTIzIiwibmFtZSI6IjdNZUNSbG9xSXAiLCJpYXQiOjE3MjA1NTM4NDV9.QW7kzr70jrbZpPV4"))
+	f.Add([]byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"))
+	f.Add([]byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.invalid_signature"))
+	f.Add([]byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9"))
+	f.Add([]byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.e30."))
+	f.Add([]byte(""))
+	f.Add([]byte("random bytes"))
+
+	f.Fuzz(func(t *testing.T, data []byte) {
+		if _, err := ParseNoVerify(data); err != nil {
+			t.Skip()
+		}
+	})
+}