1 // Copyright 2022 Code Intelligence GmbH 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package com.example; 16 17 import java.time.Instant; 18 19 public class CrashResistantCoverageTarget { fuzzerTestOneInput(byte[] data)20 public static void fuzzerTestOneInput(byte[] data) { 21 if (data.length < 10) { 22 // Crash immediately on the empty and the first seed input so that we can verify that the 23 // crash-resistant merge strategy actually works. 24 throw new IllegalStateException("Crash"); 25 } 26 if (data.length < 100) { 27 someFunction(); 28 } 29 } 30 someFunction()31 public static void someFunction() { 32 // A non-trivial condition that always evaluates to true. 33 if (Instant.now().getNano() >= 0) { 34 System.out.println("Hello, world!"); 35 } 36 } 37 } 38