2 * (C) Copyright 2016 Pantheon Technologies, s.r.o. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.opendaylight.yangtools.triemap;
18 import static org.junit.Assert.assertFalse;
20 import java.util.Optional;
21 import org.junit.Test;
23 public class ListMapTest {
26 * Test if Listmap.get() does not cause stack overflow.
29 public void testGetOverflow() {
30 ListMap<Integer, Boolean> map = ListMap.map(1, Boolean.TRUE, 2, Boolean.TRUE);
32 // 30K seems to be enough to trigger the problem locally
33 for (int i = 3; i < 30000; ++i) {
34 map = map.add(i, Boolean.TRUE);
37 final Optional<Boolean> ret = map.get(0);
38 assertFalse(ret.isPresent());