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jsr166 |
1.1 |
/* |
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jsr166 |
1.2 |
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
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jsr166 |
1.1 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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jsr166 |
1.2 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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jsr166 |
1.1 |
*/ |
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/* |
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* @test |
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* @bug 6301089 |
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* @summary test Collections.newSetFromMap |
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* @author Martin Buchholz |
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*/ |
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jsr166 |
1.4 |
import java.util.Collections; |
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import java.util.IdentityHashMap; |
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import java.util.Map; |
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import java.util.Set; |
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jsr166 |
1.1 |
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public class SetFromMap { |
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static volatile int passed = 0, failed = 0; |
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static void pass() { passed++; } |
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static void fail() { failed++; Thread.dumpStack(); } |
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static void unexpected(Throwable t) { failed++; t.printStackTrace(); } |
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static void check(boolean cond) { if (cond) pass(); else fail(); } |
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static void equal(Object x, Object y) { |
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if (x == null ? y == null : x.equals(y)) pass(); |
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else {System.out.println(x + " not equal to " + y); fail(); }} |
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public static void main(String[] args) throws Throwable { |
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try { realMain(); } catch (Throwable t) { unexpected(t); } |
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System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
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if (failed > 0) throw new Exception("Some tests failed"); |
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} |
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private static void realMain() throws Throwable { |
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try { |
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jsr166 |
1.3 |
Map<String,Boolean> m = new IdentityHashMap<>(); |
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jsr166 |
1.1 |
Set<String> s = Collections.newSetFromMap(m); |
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String foo1 = new String("foo"); |
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String foo2 = new String("foo"); |
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String bar = new String("bar"); |
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check(s.add(foo1)); |
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check(s.add(foo2)); |
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check(s.add(bar)); |
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equal(s.size(), 3); |
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check(s.contains(foo1)); |
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check(s.contains(foo2)); |
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check(! s.contains(new String(foo1))); |
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} catch (Throwable t) { unexpected(t); } |
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} |
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} |
