File: EnclosingClass.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (363 lines) | stat: -rw-r--r-- 12,330 bytes parent folder | download | duplicates (13)
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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
/*
 * Copyright (c) 2004, 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.
 */

/*
 *
 * @summary Check getEnclosingClass and other methods
 * @author Peter von der Ah\u00e9
 *
 * a) Top level classes
 * b) Nested classes (static member classes)
 * c) Inner classes (non-static member classes)
 * d) Local classes (named classes declared within a method)
 * e) Anonymous classes
 */

/*
 * TODO:
 * Test annotations
 * Test Locals in static initializers
 * Test Locals in methods
 * Test Locals in constructors
 * Test interfaces
 * Test enums
 * Test method with a String[] argument
 */

//package

import common.TestMe;

interface MakeClass {
    Class<?> make();
}

public class EnclosingClass {
    public EnclosingClass() {
        aec = (new Object() {}).getClass();
    }
    static class Nested {
        static class NestedNested {
        }
        class NestedInner {
        }
        Class<?> nestedLocal0;
        Class<?> nestedLocal1;
        Class<?> nestedLocal2;
        {
            class NestedLocal0 {};
            nestedLocal0 = NestedLocal0.class;
            nestedMethod1();
            nestedMethod2(null);
        }
        void nestedMethod1() {
            class NestedLocal1 {}
            nestedLocal1 = NestedLocal1.class;
        }
        void nestedMethod2(String[] args) {
            class NestedLocal2 {}
            nestedLocal2 = NestedLocal2.class;
        }
        Class<?> nestedAnonymous = (new Object() {}).getClass();
        static enum NestedNestedEnum {
        }
        enum NestedInnerEnum {
        }
    }

    class Inner {
        class InnerInner {
        }
        Class<?> innerLocal0;
        Class<?> innerLocal1;
        Class<?> innerLocal2;
        {
            class InnerLocal0 {
            };
            innerLocal0 = InnerLocal0.class;
            innerMethod1();
            innerMethod2(null);
        }
        void innerMethod1() {
            class InnerLocal1 {}
            innerLocal1 = InnerLocal1.class;
        }
        void innerMethod2(String[] args) {
            class InnerLocal2 {}
            innerLocal2 = InnerLocal2.class;
        }
        Class<?> innerAnonymous = (new Object() {}).getClass();
    }

    @TestMe(desc="top level class",
            encl="null",
            simple="EnclosingClass",
            canonical="EnclosingClass")
        public Class<?> a = EnclosingClass.class;

    @TestMe(desc="nested class within top level class",
            encl="class EnclosingClass",
            simple="Nested",
            canonical="EnclosingClass.Nested")
        public Class<?> ab = Nested.class;
    @TestMe(desc="inner class within top level class",
            encl="class EnclosingClass",
            simple="Inner",
            canonical="EnclosingClass.Inner")
        public Class<?> ac = Inner.class;
    @TestMe(desc="local class within top level class",
            encl="class EnclosingClass",
            simple="Local0",
            hasCanonical=false)
        public Class<?> ad0;
    @TestMe(desc="local class within top level class",
            encl="class EnclosingClass",
            simple="Local1",
            hasCanonical=false)
        public Class<?> ad1;
    @TestMe(desc="local class within top level class",
            encl="class EnclosingClass",
            simple="Local2",
            hasCanonical=false)
        public Class<?> ad2;
    @TestMe(desc="local class within a top level class static initializer" ,
            encl="class EnclosingClass",
            simple="StaticLocal0",
            hasCanonical=false)
        public Class<?> sad0;
    @TestMe(desc="local class within a top level class static method" ,
            encl="class EnclosingClass",
            simple="StaticLocal1",
            hasCanonical=false)
        public Class<?> sad1;
    @TestMe(desc="local class within a top level class static method",
            encl="class EnclosingClass",
            simple="StaticLocal2",
            hasCanonical=false)
        public Class<?> sad2;
    {
        class Local0 {
            class LocalInner {}
            {
                class LocalLocal {};
                dd = LocalLocal.class;
                de = (new Object() {}).getClass();
            }
        };
        ad0 = Local0.class;
        dc = Local0.LocalInner.class;
        new Local0();
        method1();
        method2(null);
        sad0 = staticLocal0;
        sad1 = staticMethod1();
        sad2 = staticMethod2(null);
    }
    static Class<?> staticLocal0;
    static {
        class StaticLocal0 {};
        staticLocal0 = StaticLocal0.class;
    }
    static Class<?> staticMethod1() {
        class StaticLocal1 {};
        return StaticLocal1.class;
    }
    static Class<?> staticMethod2(String[] args) {
        class StaticLocal2 {};
        return StaticLocal2.class;
    }
    void method1() {
        class Local1 {};
        ad1 = Local1.class;
    }
    void method2(String[] args) {
        class Local2 {};
        ad2 = Local2.class;
    }
    @TestMe(desc="anonymous class within top level class",
            encl="class EnclosingClass",
            simple="",
            hasCanonical=false)
        public Class<?> ae = (new Object() {}).getClass();
    @TestMe(desc="anonymous class within top level class constructor",
            encl="class EnclosingClass",
            simple="",
            hasCanonical=false)
        public Class<?> aec;

    @TestMe(desc="nested class within nested class",
            encl="class EnclosingClass$Nested",
            simple="NestedNested",
            canonical="EnclosingClass.Nested.NestedNested")
        public Class<?> bb = Nested.NestedNested.class;
    @TestMe(desc="inner class within nested class",
            encl="class EnclosingClass$Nested",
            simple="NestedInner",
            canonical="EnclosingClass.Nested.NestedInner")
        public Class<?> bc = Nested.NestedInner.class;
    @TestMe(desc="local class within nested class",
            encl="class EnclosingClass$Nested",
            simple="NestedLocal0",
            hasCanonical=false)
        public Class<?> bd0 = (new Nested()).nestedLocal0;
    @TestMe(desc="local class within nested class",
            encl="class EnclosingClass$Nested",
            simple="NestedLocal1",
            hasCanonical=false)
        public Class<?> bd1 = (new Nested()).nestedLocal1;
    @TestMe(desc="local class within nested class",
            encl="class EnclosingClass$Nested",
            simple="NestedLocal2",
            hasCanonical=false)
        public Class<?> bd2 = (new Nested()).nestedLocal2;
    @TestMe(desc="anonymous class within nested class",
            encl="class EnclosingClass$Nested",
            simple="",
            hasCanonical=false)
        public Class<?> be = (new Nested()).nestedAnonymous;

    @TestMe(desc="nested class within an inner class", encl="", simple="")
        public Class<?> cb = Void.class; // not legal
    @TestMe(desc="inner class within an inner class",
            encl="class EnclosingClass$Inner",
            simple="InnerInner",
            canonical="EnclosingClass.Inner.InnerInner")
        public Class<?> cc = ((new Inner()).new InnerInner()).getClass();
    @TestMe(desc="local class within an inner class",
            encl="class EnclosingClass$Inner",
            simple="InnerLocal0",
            hasCanonical=false)
        public Class<?> cd = (new Inner()).innerLocal0;
    @TestMe(desc="anonymous class within an inner class",
            encl="class EnclosingClass$Inner",
            simple="",
            hasCanonical=false)
        public Class<?> ce = (new Inner()).innerAnonymous;

    @TestMe(desc="nested class within a local class", encl="", simple="")
        public Class<?> db = Void.class; // not legal
    @TestMe(desc="inner class within a local class",
            encl="class EnclosingClass$1Local0",
            simple="LocalInner",
            hasCanonical=false)
        public Class<?> dc; // initialized above
    @TestMe(desc="local class within a local class",
            encl="class EnclosingClass$1Local0",
            simple="LocalLocal",
            hasCanonical=false)
        public Class<?> dd; // initialized above
    @TestMe(desc="anonymous class within a local class",
            encl="class EnclosingClass$1Local0",
            simple="",
            hasCanonical=false)
        public Class<?> de; // initialized above

    @TestMe(desc="nested class within an anonymous class", encl="", simple="")
        public Class<?> eb = Void.class; // not legal
    @TestMe(desc="inner class within an anonymous class",
            encl="class EnclosingClass$3",
            simple="AnonymousInner",
            hasCanonical=false)
        public Class<?> ec = new MakeClass() {
                class AnonymousInner {}
                public Class<?> make() { return AnonymousInner.class; }
            }.make();
    @TestMe(desc="local class within an anonymous class",
            encl="class EnclosingClass$4",
            simple="AnonymousLocal",
            hasCanonical=false)
        public Class<?> ed = new MakeClass() {
                Class<?> c;
                {
                    class AnonymousLocal {}
                    c = AnonymousLocal.class;
                }
                public Class<?> make() { return c; }
            }.make();
    @TestMe(desc="anonymous class within an anonymous class",
            encl="class EnclosingClass$5",
            simple="",
            hasCanonical=false)
        public Class<?> ee = new MakeClass() {
                Class<?> c;
                {
                    c = new Object() {}.getClass();
                }
                public Class<?> make() { return c; }
            }.make();

    @TestMe(desc="the primitive boolean type",
            encl="null",
            simple="boolean",
            canonical="boolean")
        public Class<?> booleanClass = boolean.class;

    @TestMe(desc="the primitive char type",
            encl="null",
            simple="char",
            canonical="char")
        public Class<?> charClass = char.class;

    @TestMe(desc="the primitive byte type",
            encl="null",
            simple="byte",
            canonical="byte")
        public Class<?> byteClass = byte.class;

    @TestMe(desc="the primitive short type",
            encl="null",
            simple="short",
            canonical="short")
        public Class<?> shortClass = short.class;

    @TestMe(desc="the primitive int type",
            encl="null",
            simple="int",
            canonical="int")
        public Class<?> intClass = int.class;

    @TestMe(desc="the primitive long type",
            encl="null",
            simple="long",
            canonical="long")
        public Class<?> longClass = long.class;

    @TestMe(desc="the primitive float type",
            encl="null",
            simple="float",
            canonical="float")
        public Class<?> floatClass = float.class;

    @TestMe(desc="the primitive double type",
            encl="null",
            simple="double",
            canonical="double")
        public Class<?> doubleClass = double.class;

    @TestMe(desc="the primitive void type",
            encl="null",
            simple="void",
            canonical="void")
        public Class<?> voidClass = void.class;

}