0N/A/*
2362N/A * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 4486049 6282555 6318622
0N/A * @summary toString method fails if size changes in between a call to size
0N/A * and an attempt to iterate.
0N/A * @author Josh Bloch, Martin Buchholz
0N/A */
0N/A
0N/Aimport java.util.*;
0N/Aimport java.util.concurrent.*;
0N/A
0N/Apublic class ToString {
0N/A private static void realMain(String[] args) {
0N/A testCollection(new LinkedHashSet<Object>() {
0N/A public int size() {
0N/A return super.size() + 1; // Lies, lies, all lies!
0N/A }});
0N/A testCollection(new ArrayList<Object>());
0N/A testCollection(new Vector<Object>());
0N/A testCollection(new CopyOnWriteArrayList<Object>());
0N/A testCollection(new CopyOnWriteArraySet<Object>());
0N/A }
0N/A
0N/A private static void testCollection(Collection<Object> c) {
0N/A System.out.println(c.getClass());
0N/A equal(c.toString(), "[]");
0N/A check(c.add("x"));
0N/A equal(c.toString(), "[x]");
0N/A check(c.add("y"));
0N/A equal(c.toString(), "[x, y]");
0N/A check(c.add(null));
0N/A equal(c.toString(), "[x, y, null]");
0N/A if (c instanceof AbstractCollection) {
0N/A check(c.add(c));
0N/A equal(c.toString(), "[x, y, null, (this Collection)]");
0N/A }
0N/A }
0N/A
0N/A //--------------------- Infrastructure ---------------------------
0N/A static volatile int passed = 0, failed = 0;
0N/A static void pass() { passed++; }
0N/A static void fail() { failed++; Thread.dumpStack(); }
0N/A static void fail(String msg) { System.out.println(msg); fail(); }
0N/A static void unexpected(Throwable t) { failed++; t.printStackTrace(); }
0N/A static void check(boolean cond) { if (cond) pass(); else fail(); }
0N/A static void equal(Object x, Object y) {
0N/A if (x == null ? y == null : x.equals(y)) pass();
0N/A else {System.out.println(x + " not equal to " + y); fail(); }}
0N/A
0N/A public static void main(String[] args) throws Throwable {
0N/A try { realMain(args); } catch (Throwable t) { unexpected(t); }
0N/A
0N/A System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
0N/A if (failed > 0) throw new Exception("Some tests failed");
0N/A }
0N/A}