| /* |
| * 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 5085148 4143651 |
| * @summary Test if Reader methods will check if the stream |
| * has been closed. |
| */ |
| |
| import java.io.*; |
| |
| public enum OpsAfterClose { |
| |
| READ { boolean check(Reader r) { |
| try { |
| r.read(); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| |
| READ_BUF { boolean check(Reader r) { |
| try { |
| char buf[] = new char[2]; |
| int len = 1; |
| r.read(buf, 0, len); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| READY { boolean check(Reader r) { |
| try { |
| r.ready(); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| MARK { boolean check(Reader r) { |
| try { |
| r.mark(1); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| SKIP { boolean check(Reader r) { |
| try { |
| r.skip(1); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| RESET { boolean check(Reader r) { |
| try { |
| r.reset(); |
| } catch (IOException io) { |
| return true; |
| } |
| return false; |
| } }, |
| CLOSE { boolean check(Reader r) { |
| try { |
| r.close(); |
| } catch (IOException io) { |
| return false; |
| } |
| return true; |
| } }; |
| |
| abstract boolean check(Reader r); |
| |
| public static void main(String args[]) throws Exception { |
| |
| boolean failed = false; |
| |
| BufferedReader br = new BufferedReader( |
| new StringReader("abc def ghi")); |
| if (testReader(br)) { |
| failed = true; |
| } |
| |
| CharArrayReader car = new CharArrayReader(new char[2]); |
| if (testReader(car)) { |
| failed = true; |
| } |
| |
| PushbackReader pbr = new PushbackReader( |
| new CharArrayReader(new char[2])); |
| if (testReader(pbr)) { |
| failed = true; |
| } |
| if (testPushbackReader(pbr)) { |
| failed = true; |
| } |
| |
| StringReader sr = new StringReader("abc def ghi"); |
| if (testReader(sr)) { |
| failed = true; |
| } |
| |
| InputStreamReader isr = new InputStreamReader( |
| new ByteArrayInputStream("abc".getBytes())); |
| if (testReader(isr)) { |
| failed = true; |
| } |
| |
| LineNumberReader lnr = new LineNumberReader( |
| new StringReader("abc def ghi")); |
| if (testReader(lnr)) { |
| failed = true; |
| } |
| |
| File f = new File(System.getProperty("test.dir", "."), |
| "NewFile"); |
| f.createNewFile(); |
| f.deleteOnExit(); |
| |
| FileReader fr = new FileReader(f); |
| if (testReader(fr)) { |
| failed = true; |
| } |
| |
| PipedWriter pw = new PipedWriter(); |
| PipedReader pr = new PipedReader(pw); |
| if (testReader(pr)) { |
| failed = true; |
| } |
| if (failed) { |
| throw new Exception("Test failed for some of the operation{s}" + |
| " on some of the reader{s}, check the messages"); |
| } |
| } |
| |
| private static boolean testReader(Reader r) throws Exception { |
| r.close(); |
| boolean failed = false; |
| boolean result; |
| System.out.println("Testing reader:" + r); |
| for (OpsAfterClose op : OpsAfterClose.values()) { |
| result = op.check(r); |
| if (!result) { |
| failed = true; |
| } |
| System.out.println(op + ":" + result); |
| } |
| if (failed) { |
| System.out.println("Test failed for the failed operation{s}" + |
| " above for the Reader:" + r); |
| } |
| return failed; |
| } |
| |
| private static boolean testPushbackReader(PushbackReader pr) |
| throws Exception { |
| boolean failed = false; |
| try { |
| pr.unread(1); |
| System.out.println("Test failed for unread(int):" + pr); |
| failed = true; |
| } catch (IOException io) { |
| System.out.println("UNREAD(int):true"); |
| } |
| |
| char buf[] = new char[2]; |
| try { |
| pr.unread(buf, 0, 2); |
| System.out.println("Test failed for unread(buf, offset, len):" + |
| pr); |
| failed = true; |
| } catch (IOException io) { |
| System.out.println("UNREAD(buf, offset, len):true"); |
| } |
| try { |
| pr.unread(buf); |
| System.out.println("Test failed for unread(char[] buf):" + pr); |
| failed = true; |
| } catch (IOException io) { |
| System.out.println("UNREAD(buf):true"); |
| } |
| return failed; |
| } |
| } |