1 /*
   2  * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 4679743 8148624
  27  * @summary Test parts of InflaterOutputStream code that don't really do I/O.
  28  */
  29 
  30 import java.io.*;
  31 import java.util.zip.*;
  32 
  33 public class ConstructInflaterOutput {
  34 
  35     static class MyInflater extends Inflater {
  36         private boolean ended = false;
  37         boolean getEnded() { return ended; }
  38         public void end() {
  39             fail("MyInflater had end() called");
  40             super.end();
  41         }
  42     }
  43 
  44     private static MyInflater inf = new MyInflater();
  45 
  46     public static void realMain(String[] args) throws Throwable {
  47         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  48         InflaterOutputStream ios = null;
  49         byte[] b = new byte[512];
  50 
  51         // Check construction
  52         //
  53         try {
  54             ios = new InflaterOutputStream(null);
  55             fail();
  56         } catch (NullPointerException ex) {
  57             pass();
  58         }
  59 
  60         try {
  61             ios = new InflaterOutputStream(baos, null);
  62             fail();
  63         } catch (NullPointerException ex) {
  64             pass();
  65         }
  66 
  67         try {
  68             ios = new InflaterOutputStream(baos, inf, 0);
  69             fail();
  70         } catch (IllegalArgumentException ex) {
  71             pass();
  72         }
  73 
  74         // Check sanity checks in write methods
  75         //
  76         ios = new InflaterOutputStream(baos, inf);
  77 
  78         try {
  79             ios.write(null, 5, 2);
  80             fail();
  81         } catch (NullPointerException ex) {
  82             pass();
  83         }
  84 
  85         try {
  86             ios.write(b, -1, 0);
  87             fail();
  88         } catch (IndexOutOfBoundsException ex) {
  89             pass();
  90         }
  91 
  92         try {
  93             ios.write(b, 0, -1);
  94             fail();
  95         } catch (IndexOutOfBoundsException ex) {
  96             pass();
  97         }
  98 
  99         try {
 100             ios.write(b, 0, 600);
 101             fail();
 102         } catch (IndexOutOfBoundsException ex) {
 103             pass();
 104         }
 105 
 106         ios.flush();
 107         check(!inf.getEnded());
 108         ios.flush();
 109         check(!inf.getEnded());
 110         ios.finish();
 111         check(!inf.getEnded());
 112         ios.close();
 113         check(!inf.getEnded());
 114         try {
 115             ios.finish();
 116             fail();
 117         } catch (IOException ex) {
 118             pass();
 119         }
 120         try {
 121             ios.write(13);
 122             fail();
 123         } catch (IOException ex) {
 124             pass();
 125         }
 126 
 127         ios = new InflaterOutputStream(baos);
 128         ios.flush();
 129         ios.finish();
 130         ios.close();
 131         try {
 132             ios.flush();
 133         } catch (IOException ex) {
 134             pass();
 135         }
 136     }
 137 
 138     //--------------------- Infrastructure ---------------------------
 139     static volatile int passed = 0, failed = 0;
 140     static void pass() {passed++;}
 141     static void fail() {failed++; Thread.dumpStack();}
 142     static void fail(String msg) {System.out.println(msg); fail();}
 143     static void unexpected(Throwable t) {failed++; t.printStackTrace();}
 144     static void check(boolean cond) {if (cond) pass(); else fail();}
 145     static void equal(Object x, Object y) {
 146         if (x == null ? y == null : x.equals(y)) pass();
 147         else fail(x + " not equal to " + y);}
 148     public static void main(String[] args) throws Throwable {
 149         try {realMain(args);} catch (Throwable t) {unexpected(t);}
 150         System.out.println("\nPassed = " + passed + " failed = " + failed);
 151         if (failed > 0) throw new AssertionError("Some tests failed");}
 152 }