/*
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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/*
* @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); }
}
}