diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/util/Collections/AddAll.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/util/Collections/AddAll.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,71 @@ +/* + * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* + * @test + * @bug 4822887 + * @summary Basic test for Collections.addAll + * @author Josh Bloch + * + * @compile -source 1.5 AddAll.java + * @run main AddAll + */ + +import java.util.*; + +public class AddAll { + final static int N = 100; + public static void main(String args[]) { + test(new ArrayList()); + test(new LinkedList()); + test(new HashSet()); + test(new LinkedHashSet()); + } + + private static Random rnd = new Random(); + + static void test(Collection c) { + int x = 0; + for (int i = 0; i < N; i++) { + int rangeLen = rnd.nextInt(10); + if (Collections.addAll(c, range(x, x + rangeLen)) != + (rangeLen != 0)) + throw new RuntimeException("" + rangeLen); + x += rangeLen; + } + if (c instanceof List) { + if (!c.equals(Arrays.asList(range(0, x)))) + throw new RuntimeException(x +": "+c); + } else { + if (!c.equals(new HashSet(Arrays.asList(range(0, x))))) + throw new RuntimeException(x +": "+c); + } + } + + private static Integer[] range(int from, int to) { + Integer[] result = new Integer[to - from]; + for (int i = from, j=0; i < to; i++, j++) + result[j] = new Integer(i); + return result; + } +}