| /* |
| * Copyright (c) 2001, 2010, 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 4470017 |
| * @summary Ensure that illegal arguments cause appropriate exceptions |
| * to be thrown |
| */ |
| |
| import java.io.*; |
| import java.nio.channels.*; |
| |
| |
| public class Args { |
| |
| static void fail(String s) { |
| throw new RuntimeException(s); |
| } |
| |
| static interface Thunk { |
| public void run() throws Exception; |
| } |
| |
| private static void tryCatch(Class ex, Thunk thunk) { |
| boolean caught = false; |
| try { |
| thunk.run(); |
| } catch (Throwable x) { |
| if (ex.isAssignableFrom(x.getClass())) { |
| caught = true; |
| System.err.println("Thrown as expected: " + x); |
| } |
| } |
| if (!caught) |
| fail(ex.getName() + " not thrown"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| |
| File f = File.createTempFile("foo", null); |
| f.deleteOnExit(); |
| final FileChannel fc = new RandomAccessFile(f, "rw").getChannel(); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.transferFrom(fc, -1, 1); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.transferFrom(fc, 0, -1); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.transferTo(-1, 1, fc); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.transferTo(0, -1, fc); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.map(FileChannel.MapMode.READ_ONLY, -1, 0); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.map(FileChannel.MapMode.READ_ONLY, 0, -1); |
| }}); |
| |
| tryCatch(IllegalArgumentException.class, new Thunk() { |
| public void run() throws Exception { |
| fc.map(FileChannel.MapMode.READ_ONLY, 0, |
| (long)Integer.MAX_VALUE << 3); |
| }}); |
| |
| fc.close(); |
| f.delete(); |
| } |
| |
| } |