/* * Copyright (c) 1999, 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 4224271 * @summary A null Comparator is now specified to indicate natural ordering.
*/
publicclass NullComparator { publicstaticvoid main(String[] args) throws Exception {
List list = new ArrayList(100); for (int i=0; i<100; i++)
list.add(new Integer(i));
List sorted = new ArrayList(list);
Collections.shuffle(list);
Object[] a = list.toArray();
Arrays.sort(a, null); if (!Arrays.asList(a).equals(sorted)) thrownew Exception("Arrays.sort");
a = list.toArray();
Arrays.sort(a, 0, 100, null); if (!Arrays.asList(a).equals(sorted)) thrownew Exception("Arrays.sort(from, to)"); if (Arrays.binarySearch(a, new Integer(69)) != 69) thrownew Exception("Arrays.binarySearch");
List tmp = new ArrayList(list);
Collections.sort(tmp, null); if (!tmp.equals(sorted)) thrownew Exception("Collections.sort"); if (Collections.binarySearch(tmp, new Integer(69)) != 69) thrownew Exception("Collections.binarySearch"); if (!Collections.min(list, null).equals(new Integer(0))) thrownew Exception("Collections.min"); if (!Collections.max(list, null).equals(new Integer(99))) thrownew Exception("Collections.max");
}
}
Messung V0.5
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.