| /* |
| * Copyright 2022 Code Intelligence GmbH |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.code_intelligence.jazzer.runtime; |
| |
| import com.code_intelligence.jazzer.MockDriver; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.Function; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class TraceCmpHooksTest { |
| private static final ExecutorService ES = Executors.newFixedThreadPool(5); |
| |
| @BeforeClass |
| public static void setup() { |
| MockDriver.load(); |
| } |
| |
| @Test |
| public void cmpHookShouldHandleConcurrentModifications() throws InterruptedException { |
| String arg = "test"; |
| Map<String, Object> map = new HashMap<>(); |
| map.put(arg, arg); |
| |
| // Add elements to map asynchronously |
| Function<Integer, Runnable> put = (final Integer num) -> () -> { |
| map.put(String.valueOf(num), num); |
| }; |
| for (int i = 0; i < 1_000_000; i++) { |
| ES.submit(put.apply(i)); |
| } |
| |
| // Call hook |
| for (int i = 0; i < 1_000; i++) { |
| TraceCmpHooks.mapGet(null, map, new Object[] {arg}, 1, null); |
| } |
| |
| ES.shutdown(); |
| // noinspection ResultOfMethodCallIgnored |
| ES.awaitTermination(5, TimeUnit.SECONDS); |
| } |
| } |