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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
* Copyright (c) 2003, 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 4891872
* @summary Some tests for the generic core reflection api.
* @author Gilad Bracha
* @compile TestN1.java
* @run main/othervm -ea TestN1
*/
import java.lang.reflect.*;
class N1<T1, T2> {
public Inner1 i1;
public Inner2 i2;
public Inner2<? super Character> i2sc;
public class Inner1 {
}
public class Inner2<T1> {
public boolean x;
public byte b;
public short s;
public char c;
public int i;
public long l;
public float f;
public double d;
public boolean[] xa;
public byte[] ba;
public short[] sa;
public char[] ca;
public int[] ia;
public long[] la;
public float[] fa;
public double[] da;
}
public class Inner3<X1, X2, X3> {
X1 x1;
Inner3(X1 x1, X2 x2, X3 x3, T1 t1, T2 t2) {}
<T, R, S> Inner3(T t, R r, S s, X1 x1) {}
int shazam(boolean b, short s, int[] ia, Object[] oa, Inner1 i1,
Inner1 i1a, InnerInner<String,
Inner3<Object, String, Object[]>> ii)
{ return 3;}
public class InnerInner<T2, X2> {
boolean b;
Inner2<X2> i2x;
void foo(X3 x3){}
<X3> X3[] bar(X1 x1, X3[] x3, T1 t1) { return x3;}
N1<X1, X2> baz(N1<X1, X2> n1) { return n1;}
N1<?, ?> bam(N1<T1, X2> n1) { return n1;}
N1<? extends T1, ?> boom(N1<T1, X2> n1) { return n1;}
}
}
}
public class TestN1 {
static Class<N1> cls = N1.class;
public static void main(String[] args) throws Throwable {
testTypeParameters();
testInner1();
testInner2();
testInner3();
}
static void testTypeParameters() {
System.out.println("testing type parameters");
TypeVariable[] tvs = cls.getTypeParameters();
assert
tvs.length == 2 :
"N1 should have two type parameters";
}
static void testInner1() {
System.out.println("testing non-generic inner class");
Class in1 = N1.Inner1.class;
TypeVariable[] tvs = in1.getTypeParameters();
assert
tvs.length == 0 :
"N1.Inner2 should have no type parameters";
}
static void testInner2() throws NoSuchFieldException {
System.out.println("testing generic inner class 1");
Class in1 = N1.Inner2.class;
TypeVariable[] tvs = in1.getTypeParameters();
assert
tvs.length == 1 :
"N1.Inner2 should have one type parameter";
assert
in1.getField("x").getGenericType() == boolean.class :
"Type of Inner2.x should be boolean";
assert
in1.getField("b").getGenericType() == byte.class :
"Type of Inner2.b should be byte";
assert
in1.getField("s").getGenericType() == short.class :
"Type of Inner2.s should be short";
assert
in1.getField("c").getGenericType() == char.class :
"Type of Inner2.x should be char";
assert
in1.getField("i").getGenericType() == int.class :
"Type of Inner2.i should be int";
assert
in1.getField("l").getGenericType() == long.class :
"Type of Inner2.l should be long";
assert
in1.getField("f").getGenericType() == float.class :
"Type of Inner2.f should be float";
assert
in1.getField("d").getGenericType() == double.class :
"Type of Inner2.d should be double";
assert
in1.getField("xa").getGenericType() == boolean[].class :
"Type of Inner2.xa should be boolean[]";
assert
in1.getField("ba").getGenericType() == byte[].class :
"Type of Inner2.ba should be byte[]";
assert
in1.getField("sa").getGenericType() == short[].class :
"Type of Inner2.sa should be short[]";
assert
in1.getField("ca").getGenericType() == char[].class :
"Type of Inner2.xa should be char[]";
assert
in1.getField("ia").getGenericType() == int[].class :
"Type of Inner2.ia should be int[]";
assert
in1.getField("la").getGenericType() == long[].class :
"Type of Inner2.la should be long[]";
assert
in1.getField("fa").getGenericType() == float[].class :
"Type of Inner2.fa should be float[]";
assert
in1.getField("da").getGenericType() == double[].class :
"Type of Inner2.da should be double[]";
}
static void testInner3() {
System.out.println("testing generic inner class 3");
Class in1 = N1.Inner3.class;
TypeVariable[] tvs = in1.getTypeParameters();
assert
tvs.length == 3 :
"N1.Inner2 should have three type parameters";
}
}
|
