jdk8-mips64-public/langtools: test/tools/javac/scope/RemoveSymbolUnitTest.java@b4bd1c5fbbe3

     1 /*

     2  * Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 8080842

    27  * @summary Ensure Scope impl can cope with remove() when a field and method share the name.

    28  */

    30 import com.sun.tools.javac.util.*;

    31 import com.sun.tools.javac.code.*;

    32 import com.sun.tools.javac.code.Scope.*;

    33 import com.sun.tools.javac.code.Symbol.*;

    34 import com.sun.tools.javac.file.JavacFileManager;

    36 public class RemoveSymbolUnitTest {

    38     Context context;

    39     Names names;

    40     Symtab symtab;

    42     public static void main(String... args) throws Exception {

    43         new RemoveSymbolUnitTest().run();

    44     }

    46     public void run() {

    47         context = new Context();

    48         JavacFileManager.preRegister(context); // required by ClassReader which is required by Symtab

    49         names = Names.instance(context);

    50         symtab = Symtab.instance(context);

    52         Name hasNext =  names.fromString("hasNext");

    53         ClassSymbol clazz = new ClassSymbol(0,

    54                                             names.fromString("X"),

    55                                             Type.noType,

    56                                             symtab.unnamedPackage);

    58         VarSymbol v = new VarSymbol(0, hasNext, Type.noType, clazz);

    59         MethodSymbol m = new MethodSymbol(0, hasNext, Type.noType, clazz);

    61         // Try enter and remove in different shuffled combinations.

    62         // working with fresh scope each time.

    63         Scope cs = new Scope(clazz);

    64         cs.enter(v);

    65         cs.enter(m);

    66         cs.remove(v);

    67         Symbol s = cs.lookup(hasNext).sym;

    68         if (s != m)

    69             throw new AssertionError("Wrong symbol");

    71         cs = new Scope(clazz);

    72         cs.enter(m);

    73         cs.enter(v);

    74         cs.remove(v);

    75         s = cs.lookup(hasNext).sym;

    76         if (s != m)

    77             throw new AssertionError("Wrong symbol");

    79         cs = new Scope(clazz);

    80         cs.enter(v);

    81         cs.enter(m);

    82         cs.remove(m);

    83         s = cs.lookup(hasNext).sym;

    84         if (s != v)

    85             throw new AssertionError("Wrong symbol");

    87         cs = new Scope(clazz);

    88         cs.enter(m);

    89         cs.enter(v);

    90         cs.remove(m);

    91         s = cs.lookup(hasNext).sym;

    92         if (s != v)

    93             throw new AssertionError("Wrong symbol");

    94     }

    95 }

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