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
|
/*
* Copyright (c) 2015 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 8080842
* @summary Ensure Scope impl can cope with remove() when a field and method share the name.
*/
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.code.*;
import com.sun.tools.javac.code.Scope.*;
import com.sun.tools.javac.code.Symbol.*;
import com.sun.tools.javac.file.JavacFileManager;
public class RemoveSymbolUnitTest {
Context context;
Names names;
Symtab symtab;
public static void main(String... args) throws Exception {
new RemoveSymbolUnitTest().run();
}
public void run() {
context = new Context();
JavacFileManager.preRegister(context); // required by ClassReader which is required by Symtab
names = Names.instance(context);
symtab = Symtab.instance(context);
Name hasNext = names.fromString("hasNext");
ClassSymbol clazz = new ClassSymbol(0,
names.fromString("X"),
Type.noType,
symtab.unnamedPackage);
VarSymbol v = new VarSymbol(0, hasNext, Type.noType, clazz);
MethodSymbol m = new MethodSymbol(0, hasNext, Type.noType, clazz);
// Try enter and remove in different shuffled combinations.
// working with fresh scope each time.
Scope cs = new Scope(clazz);
cs.enter(v);
cs.enter(m);
cs.remove(v);
Symbol s = cs.lookup(hasNext).sym;
if (s != m)
throw new AssertionError("Wrong symbol");
cs = new Scope(clazz);
cs.enter(m);
cs.enter(v);
cs.remove(v);
s = cs.lookup(hasNext).sym;
if (s != m)
throw new AssertionError("Wrong symbol");
cs = new Scope(clazz);
cs.enter(v);
cs.enter(m);
cs.remove(m);
s = cs.lookup(hasNext).sym;
if (s != v)
throw new AssertionError("Wrong symbol");
cs = new Scope(clazz);
cs.enter(m);
cs.enter(v);
cs.remove(m);
s = cs.lookup(hasNext).sym;
if (s != v)
throw new AssertionError("Wrong symbol");
}
}
|
