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
|
/*
* Copyright (c) 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 8257598
* @summary check that Record::equals uses the fields and not the accessors for the comparison
* @run testng CheckEqualityIsBasedOnFields
*/
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
public class CheckEqualityIsBasedOnFields {
public record R01(boolean x) {
public boolean x() {
return x ? x : !x;
}
}
public record R02(byte x) {
public byte x() {
return (x >= 50) ? (byte)(x - 50) : x;
}
}
public record R03(short x) {
public short x() {
return (x >= 50) ? (short)(x - 50) : x;
}
}
public record R04(char x) {
public char x() {
return (x >= 50) ? (char)(x - 50) : x;
}
}
public record R05(int x) {
public int x() {
return (x >= 50) ? (x - 50) : x;
}
}
public record R06(long x) {
public long x() {
return (x >= 50) ? (long)(x - 50) : x;
}
}
public record R07(float x) {
public float x() {
return (x >= 50) ? (float)(x - 50) : x;
}
}
public record R08(double x) {
public double x() {
return (x >= 50) ? (double)(x - 50) : x;
}
}
public record R09(String x) {
public String x() {
return (x.length() > 1) ? x.substring(0, 1) : x;
}
}
@DataProvider(name = "recordData")
public Object[][] recordTypeAndExpectedValue() {
return new Object[][] {
new Object[] { R01.class, boolean.class, new Object[]{true, false} },
new Object[] { R02.class, byte.class, new Object[]{(byte)0, (byte)1, (byte)2, (byte)3, (byte)4, (byte)5,
(byte)50, (byte)51, (byte)52, (byte)53, (byte)54, (byte)55} },
new Object[] { R03.class, short.class, new Object[]{(short)0, (short)1, (short)2, (short)3, (short)4, (short)5,
(short)50, (short)51, (short)52, (short)53, (short)54, (short)55} },
new Object[] { R04.class, char.class, new Object[]{(char)0, (char)1, (char)2, (char)3, (char)4, (char)5,
(char)50, (char)51, (char)52, (char)53, (char)54, (char)55} },
new Object[] { R05.class, int.class, new Object[]{0, 1, 2, 3, 4, 5, 50, 51, 52, 53, 54, 55} },
new Object[] { R06.class, long.class, new Object[]{0L, 1L, 2L, 3L, 4L, 5L, 50L, 51L, 52L, 53L, 54L, 55L} },
new Object[] { R07.class, float.class, new Object[]{(float)0, (float)1, (float)2, (float)3, (float)4, (float)5,
(float)50, (float)51, (float)52, (float)53, (float)54, (float)55} },
new Object[] { R08.class, double.class, new Object[]{(double)0, (double)1, (double)2, (double)3, (double)4, (double)5,
(double)50, (double)51, (double)52, (double)53, (double)54, (double)55} },
new Object[] { R09.class, String.class, new Object[]{"1", "2", "3", "4", "5",
"1_", "2_", "3_", "4_", "5_"} },
};
}
@Test(dataProvider = "recordData")
public void testEqualsDoesntUseAccessors(Class<?> clazz, Class<?> componentClass, Object[] expectedXValues) throws Exception {
Constructor<?> ctor;
Method getter, equalsMethod;
ctor = clazz.getConstructor(componentClass);
equalsMethod = clazz.getMethod("equals", Object.class);
getter = clazz.getMethod("x");
for (int i = 0; i < expectedXValues.length / 2; i++) {
Object rec1 = ctor.newInstance(expectedXValues[i]);
Object rec2 = ctor.newInstance(expectedXValues[i + expectedXValues.length / 2]);
System.out.println(rec1.toString());
System.out.println(rec2.toString());
assertFalse((boolean) equalsMethod.invoke(rec1, rec2));
assertNotEquals(expectedXValues[i], expectedXValues[i + expectedXValues.length / 2]);
assertEquals(getter.invoke(rec1), getter.invoke(rec2));
}
}
}
|
