| /* |
| * Copyright (c) 2005, 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 6301089 |
| * @summary test Collections.newSetFromMap |
| * @author Martin Buchholz |
| */ |
| |
| import java.util.*; |
| |
| public class SetFromMap { |
| static volatile int passed = 0, failed = 0; |
| static void pass() { passed++; } |
| static void fail() { failed++; Thread.dumpStack(); } |
| static void unexpected(Throwable t) { failed++; t.printStackTrace(); } |
| static void check(boolean cond) { if (cond) pass(); else fail(); } |
| static void equal(Object x, Object y) { |
| if (x == null ? y == null : x.equals(y)) pass(); |
| else {System.out.println(x + " not equal to " + y); fail(); }} |
| |
| public static void main(String[] args) throws Throwable { |
| try { realMain(); } catch (Throwable t) { unexpected(t); } |
| |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) throw new Exception("Some tests failed"); |
| } |
| |
| private static void realMain() throws Throwable { |
| try { |
| Map<String,Boolean> m = new IdentityHashMap<String,Boolean>(); |
| Set<String> s = Collections.newSetFromMap(m); |
| String foo1 = new String("foo"); |
| String foo2 = new String("foo"); |
| String bar = new String("bar"); |
| check(s.add(foo1)); |
| check(s.add(foo2)); |
| check(s.add(bar)); |
| equal(s.size(), 3); |
| check(s.contains(foo1)); |
| check(s.contains(foo2)); |
| check(! s.contains(new String(foo1))); |
| } catch (Throwable t) { unexpected(t); } |
| } |
| } |