/* * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 4323074 * @summary Basic test for Collections.indexOfSubList/lastIndexOfSubList */ import java.util.*; public class FindSubList { public static void main(String[] args) throws Exception { int N = 500; List source = new ArrayList(3 * N); List target[]= new List[N+1]; int index[] = new int[N+1]; for (int i=0; i<=N; i++) { List t = new ArrayList(); String s = Integer.toString(i, 2); for (int j=0, len = s.length(); j<len; j++) t.add(s.charAt(j)=='1' ? "1" : "0"); target[i] = t; if (i == N) { index[i] = -1; } else { index[i] = source.size(); source.addAll(t); source.add("*"); } } List src[] = {source, new LinkedList(source), new Vector(source), Arrays.asList(source.toArray())}; for (int j=0; j<src.length; j++) { List s = src[j]; for (int i=0; i<=N; i++) { int idx = Collections.indexOfSubList(s, target[i]); if (idx != index[i]) throw new Exception(s.getClass()+" indexOfSubList: " + i + "is " + idx + ", should be "+index[i]); } if (Collections.indexOfSubList(s,Collections.nCopies(2*s.size(), "0")) != -1) throw new Exception(s.getClass()+" indexOfSubList: big target"); } Collections.reverse(source); int srcSize = source.size(); for (int i=0; i<=N; i++) { Collections.reverse(target[i]); if (i != N) index[i] = srcSize - index[i] - target[i].size(); } List src2[] = {source, new LinkedList(source), new Vector(source), Arrays.asList(source.toArray())}; for (int j=0; j<src2.length; j++) { List s = src2[j]; for (int i=0; i<=N; i++) { int idx = Collections.lastIndexOfSubList(s, target[i]); if (idx != index[i]) throw new Exception(s.getClass()+" lastIdexOfSubList: "+i + "is " + idx + ", should be "+index[i]); } if (Collections.indexOfSubList(s,Collections.nCopies(2*s.size(), "0")) != -1) throw new Exception(s.getClass()+" lastIndexOfSubList: big tgt"); } } }