1 /*
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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
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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
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22  */
23 
24 /**
25  * @test
26  * @bug 4679743
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;
getEnded()37         boolean getEnded() { return ended; }
end()38         public void end() {
39             fail("MyInflater had end() called");
40             super.end();
41         }
42     }
43 
realMain(String[] args)44     public static void realMain(String[] args) throws Throwable {
45         ByteArrayOutputStream baos = new ByteArrayOutputStream();
46         MyInflater inf = new MyInflater();
47         InflaterOutputStream ios = null;
48         byte[] b = new byte[512];
49 
50         // Check construction
51         //
52         try {
53             ios = new InflaterOutputStream(null);
54             fail();
55         } catch (NullPointerException ex) {
56             pass();
57         }
58 
59         try {
60             ios = new InflaterOutputStream(baos, null);
61             fail();
62         } catch (NullPointerException ex) {
63             pass();
64         }
65 
66         try {
67             ios = new InflaterOutputStream(baos, inf, 0);
68             fail();
69         } catch (IllegalArgumentException ex) {
70             pass();
71         }
72 
73         // Check sanity checks in write methods
74         //
75         ios = new InflaterOutputStream(baos, inf);
76 
77         try {
78             ios.write(null, 5, 2);
79             fail();
80         } catch (NullPointerException ex) {
81             pass();
82         }
83 
84         try {
85             ios.write(b, -1, 0);
86             fail();
87         } catch (IndexOutOfBoundsException ex) {
88             pass();
89         }
90 
91         try {
92             ios.write(b, 0, -1);
93             fail();
94         } catch (IndexOutOfBoundsException ex) {
95             pass();
96         }
97 
98         try {
99             ios.write(b, 0, 600);
100             fail();
101         } catch (IndexOutOfBoundsException ex) {
102             pass();
103         }
104 
105         ios.flush();
106         check(!inf.getEnded());
107         ios.flush();
108         check(!inf.getEnded());
109         ios.finish();
110         check(!inf.getEnded());
111         ios.close();
112         check(!inf.getEnded());
113         try {
114             ios.finish();
115             fail();
116         } catch (IOException ex) {
117             pass();
118         }
119         try {
120             ios.write(13);
121             fail();
122         } catch (IOException ex) {
123             pass();
124         }
125 
126         ios = new InflaterOutputStream(baos);
127         ios.flush();
128         ios.finish();
129         ios.close();
130         try {
131             ios.flush();
132         } catch (IOException ex) {
133             pass();
134         }
135     }
136 
137     //--------------------- Infrastructure ---------------------------
138     static volatile int passed = 0, failed = 0;
pass()139     static void pass() {passed++;}
fail()140     static void fail() {failed++; Thread.dumpStack();}
fail(String msg)141     static void fail(String msg) {System.out.println(msg); fail();}
unexpected(Throwable t)142     static void unexpected(Throwable t) {failed++; t.printStackTrace();}
check(boolean cond)143     static void check(boolean cond) {if (cond) pass(); else fail();}
equal(Object x, Object y)144     static void equal(Object x, Object y) {
145         if (x == null ? y == null : x.equals(y)) pass();
146         else fail(x + " not equal to " + y);}
main(String[] args)147     public static void main(String[] args) throws Throwable {
148         try {realMain(args);} catch (Throwable t) {unexpected(t);}
149         System.out.println("\nPassed = " + passed + " failed = " + failed);
150         if (failed > 0) throw new AssertionError("Some tests failed");}
151 }
152