1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 2006, 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 4679743 8148624
* @summary Test parts of DeflaterInputStream code that don't really do I/O.
*/
import java.io.*;
import java.util.zip.*;
public class ConstructDeflaterInput {
static class MyDeflater extends Deflater {
volatile boolean ended = false;
public void end() {
ended = true;
super.end();
}
}
public static void realMain(String[] args) throws Throwable {
final MyDeflater def = new MyDeflater();
ByteArrayInputStream bais = new ByteArrayInputStream(
"hello, world".getBytes());
DeflaterInputStream dis = null;
byte[] b = new byte[512];
// Check construction
//
try {
dis = new DeflaterInputStream(null);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis = new DeflaterInputStream(bais, null);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis = new DeflaterInputStream(bais, def, 0);
fail();
} catch (IllegalArgumentException ex) {
pass();
}
// Check sanity checks in read methods
//
dis = new DeflaterInputStream(bais, def);
try {
dis.read(null, 5, 2);
fail();
} catch (NullPointerException ex) {
pass();
}
try {
dis.read(b, -1, 0);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
try {
dis.read(b, 0, -1);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
try {
dis.read(b, 0, 600);
fail();
} catch (IndexOutOfBoundsException ex) {
pass();
}
int len = 0;
try {
len = dis.read(b, 0, 0);
check(len == 0);
} catch (IndexOutOfBoundsException ex) {
fail("Read of length 0 should return 0, but returned " + len);
}
try {
dis.skip(-1);
fail();
} catch (IllegalArgumentException ex) {
pass();
}
// Check unsupported operations
//
check(!dis.markSupported());
check(dis.available() == 1);
check(!def.ended);
try {
dis.reset();
fail();
} catch (IOException ex) {
pass();
}
// Check close
//
dis.close();
check(!def.ended);
try {
dis.available();
fail();
} catch (IOException ex) {
pass();
}
try {
int x = dis.read();
fail();
} catch (IOException ex) {
pass();
}
try {
dis.skip(1);
fail();
} catch (IOException ex) {
pass();
}
java.lang.ref.Reference.reachabilityFence(def);
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0, failed = 0;
static void pass() {passed++;}
static void fail() {failed++; Thread.dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void check(boolean cond) {if (cond) pass(); else fail();}
static void equal(Object x, Object y) {
if (x == null ? y == null : x.equals(y)) pass();
else fail(x + " not equal to " + y);}
public static void main(String[] args) throws Throwable {
try {realMain(args);} catch (Throwable t) {unexpected(t);}
System.out.println("\nPassed = " + passed + " failed = " + failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}
|
