0N/A/*
2362N/A * Copyright (c) 2004, 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 5030064
0N/A * @summary Basic tests for close().
0N/A */
0N/A
0N/Aimport java.io.Closeable;
0N/Aimport java.util.Formatter;
0N/Aimport java.util.FormatterClosedException;
0N/A
0N/Apublic class Close {
0N/A
0N/A private static class ExpectedException extends RuntimeException {}
0N/A
0N/A private static class C implements Appendable, Closeable {
0N/A public Appendable append(CharSequence csq) { return null; }
0N/A public Appendable append(char c) { return null; }
0N/A public Appendable append(CharSequence csq, int s, int e) {
0N/A return null;
0N/A }
0N/A
0N/A public void close() {
0N/A throw new ExpectedException();
0N/A }
0N/A }
0N/A
0N/A private static class NC implements Appendable {
0N/A public Appendable append(CharSequence csq) { return null; }
0N/A public Appendable append(char c) { return null; }
0N/A public Appendable append(CharSequence csq, int s, int e) {
0N/A return null;
0N/A }
0N/A
0N/A // method coincidentally called close()
0N/A public void close() {
0N/A throw new RuntimeException("NC.close should not be called");
0N/A }
0N/A }
0N/A
0N/A private static void test(Formatter f) {
0N/A if (f.out() instanceof C) {
0N/A // C.close() called since C implements Closeable
0N/A try {
0N/A f.close();
0N/A throw new RuntimeException("C.close not called");
0N/A } catch (ExpectedException x) {
0N/A System.out.println(" C.close called");
0N/A }
0N/A } else {
0N/A // NC.close() not called since NC does not implement Closeable
0N/A f.close();
0N/A }
0N/A
0N/A // Formatter is a Closeable
0N/A if (!(f instanceof Closeable))
0N/A throw new RuntimeException("Formatter is not a Closeable");
0N/A
0N/A // multiple close() does not throw a FormatterClosedException
0N/A f.close();
0N/A try {
0N/A f.close();
0N/A System.out.println(" FormatterClosedException not thrown");
0N/A } catch (FormatterClosedException x) {
0N/A throw new RuntimeException("FormatterClosedException thrown");
0N/A }
0N/A }
0N/A
0N/A public static void main(String [] args) {
0N/A System.out.println("testing Closeable");
0N/A test(new Formatter(new C()));
0N/A System.out.println("testing non-Closeable");
0N/A test(new Formatter(new NC()));
0N/A }
0N/A}