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
|
/*
* Copyright (c) 2019, 2020, 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 8246774
* @summary Checks that the appropriate default value is given to the canonical ctr
* @library /test/lib
* @modules jdk.compiler
* @compile AssignableFrom.java Point.java DefaultValues.java SuperStreamFields.java
* @run testng DefaultValuesTest
*/
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import org.testng.annotations.Test;
import static java.io.ObjectStreamConstants.*;
import static java.lang.System.out;
import static org.testng.Assert.*;
/**
* Basic test to check that default primitive / reference values are
* presented to the record's canonical constructor, for fields not in
* the stream.
*/
public class DefaultValuesTest extends AbstractTest {
/**
* Returns a stream of bytes for the given class, uid, flags. The
* stream will have no stream field values.
*/
static byte[] byteStreamFor(String className, long uid, byte flags)
throws Exception
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
dos.writeShort(STREAM_MAGIC);
dos.writeShort(STREAM_VERSION);
dos.writeByte(TC_OBJECT);
dos.writeByte(TC_CLASSDESC);
dos.writeUTF(className);
dos.writeLong(uid);
dos.writeByte(flags);
dos.writeShort(0); // number of fields
dos.writeByte(TC_ENDBLOCKDATA); // no annotations
dos.writeByte(TC_NULL); // no superclasses
dos.close();
return baos.toByteArray();
}
/** Basic test with a simple Point. */
@Test
public void testPoint() throws Exception {
out.println("--- testPoint ");
byte[] bytes = byteStreamFor("PointImpl", 5L, (byte)SC_SERIALIZABLE);
Point point = deserializeAsPlain(bytes);
out.println("deserialized: " + point);
assertEquals(point.x(), 0);
assertEquals(point.y(), 0);
point = deserializeAsRecord(bytes);
out.println("deserialized: " + point);
assertEquals(point.x(), 0);
assertEquals(point.y(), 0);
}
// ---
static class Defaults { // default values
static boolean bool;
static byte by;
static char ch;
static short sh;
static int i;
static long l;
static float f;
static double d;
static String str;
static Object obj;
static int[] ia;
static Object[] oa;
}
/** A more comprehensive test with all primitives, reference, and array. */
@Test
public void testAllDefaults() throws Exception {
out.println("--- testAllDefaults ");
Point point = newPlainPoint(43, 98);
DefaultValues o = newPlainDefaultValues(point);
out.println("serialize :" + o);
byte[] bytes = serialize(o);
DefaultValues o1 = deserializeAsRecord(bytes);
out.println("deserialized: " + o1);
assertEquals(o1.point().x(), point.x()); // sanity
assertEquals(o1.point().y(), point.y()); // sanity
assertTrue(o1.bool() == Defaults.bool);
assertTrue(o1.by() == Defaults.by);
assertTrue(o1.ch() == Defaults.ch);
assertTrue(o1.sh() == Defaults.sh);
assertTrue(o1.i() == Defaults.i);
assertTrue(o1.l() == Defaults.l);
assertTrue(o1.f() == Defaults.f);
assertTrue(o1.d() == Defaults.d);
assertTrue(o1.str() == Defaults.str);
assertTrue(o1.obj() == Defaults.obj);
assertTrue(o1.ia() == Defaults.ia);
assertTrue(o1.oa() == Defaults.oa);
}
}
|
