import com.code_intelligence.jazzer.api.FuzzedDataProvider; import com.code_intelligence.jazzer.junit.FuzzTest; import java.security.InvalidParameterException; public class EmailMatcherFuzzTest { @FuzzTest public static void fuzzerTestOneInput(FuzzedDataProvider data) { String email = data.consumeString(100); if(EmailMatcher.isValidEmail(email)) { throw new InvalidParameterException("Valid email found!"); } } }