sadayapalam@2812: /*
sadayapalam@2812:  * Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
sadayapalam@2812:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sadayapalam@2812:  *
sadayapalam@2812:  * This code is free software; you can redistribute it and/or modify it
sadayapalam@2812:  * under the terms of the GNU General Public License version 2 only, as
sadayapalam@2812:  * published by the Free Software Foundation.
sadayapalam@2812:  *
sadayapalam@2812:  * This code is distributed in the hope that it will be useful, but WITHOUT
sadayapalam@2812:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sadayapalam@2812:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sadayapalam@2812:  * version 2 for more details (a copy is included in the LICENSE file that
sadayapalam@2812:  * accompanied this code).
sadayapalam@2812:  *
sadayapalam@2812:  * You should have received a copy of the GNU General Public License version
sadayapalam@2812:  * 2 along with this work; if not, write to the Free Software Foundation,
sadayapalam@2812:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sadayapalam@2812:  *
sadayapalam@2812:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sadayapalam@2812:  * or visit www.oracle.com if you need additional information or have any
sadayapalam@2812:  * questions.
sadayapalam@2812:  */
sadayapalam@2812: 
sadayapalam@2812: /*
sadayapalam@2812:  * @test
sadayapalam@2812:  * @bug 8080842
sadayapalam@2812:  * @summary Ensure Scope impl can cope with remove() when a field and method share the name.
sadayapalam@2812:  */
sadayapalam@2812: 
sadayapalam@2812: import com.sun.tools.javac.util.*;
sadayapalam@2812: import com.sun.tools.javac.code.*;
sadayapalam@2812: import com.sun.tools.javac.code.Scope.*;
sadayapalam@2812: import com.sun.tools.javac.code.Symbol.*;
sadayapalam@2812: import com.sun.tools.javac.file.JavacFileManager;
sadayapalam@2812: 
sadayapalam@2812: public class RemoveSymbolUnitTest {
sadayapalam@2812: 
sadayapalam@2812:     Context context;
sadayapalam@2812:     Names names;
sadayapalam@2812:     Symtab symtab;
sadayapalam@2812: 
sadayapalam@2812:     public static void main(String... args) throws Exception {
sadayapalam@2812:         new RemoveSymbolUnitTest().run();
sadayapalam@2812:     }
sadayapalam@2812: 
sadayapalam@2812:     public void run() {
sadayapalam@2812:         context = new Context();
sadayapalam@2812:         JavacFileManager.preRegister(context); // required by ClassReader which is required by Symtab
sadayapalam@2812:         names = Names.instance(context);
sadayapalam@2812:         symtab = Symtab.instance(context);
sadayapalam@2812: 
sadayapalam@2812:         Name hasNext =  names.fromString("hasNext");
sadayapalam@2812:         ClassSymbol clazz = new ClassSymbol(0,
sadayapalam@2812:                                             names.fromString("X"),
sadayapalam@2812:                                             Type.noType,
sadayapalam@2812:                                             symtab.unnamedPackage);
sadayapalam@2812: 
sadayapalam@2812:         VarSymbol v = new VarSymbol(0, hasNext, Type.noType, clazz);
sadayapalam@2812:         MethodSymbol m = new MethodSymbol(0, hasNext, Type.noType, clazz);
sadayapalam@2812: 
sadayapalam@2812:         // Try enter and remove in different shuffled combinations.
sadayapalam@2812:         // working with fresh scope each time.
sadayapalam@2812:         Scope cs = new Scope(clazz);
sadayapalam@2812:         cs.enter(v);
sadayapalam@2812:         cs.enter(m);
sadayapalam@2812:         cs.remove(v);
sadayapalam@2812:         Symbol s = cs.lookup(hasNext).sym;
sadayapalam@2812:         if (s != m)
sadayapalam@2812:             throw new AssertionError("Wrong symbol");
sadayapalam@2812: 
sadayapalam@2812:         cs = new Scope(clazz);
sadayapalam@2812:         cs.enter(m);
sadayapalam@2812:         cs.enter(v);
sadayapalam@2812:         cs.remove(v);
sadayapalam@2812:         s = cs.lookup(hasNext).sym;
sadayapalam@2812:         if (s != m)
sadayapalam@2812:             throw new AssertionError("Wrong symbol");
sadayapalam@2812: 
sadayapalam@2812:         cs = new Scope(clazz);
sadayapalam@2812:         cs.enter(v);
sadayapalam@2812:         cs.enter(m);
sadayapalam@2812:         cs.remove(m);
sadayapalam@2812:         s = cs.lookup(hasNext).sym;
sadayapalam@2812:         if (s != v)
sadayapalam@2812:             throw new AssertionError("Wrong symbol");
sadayapalam@2812: 
sadayapalam@2812:         cs = new Scope(clazz);
sadayapalam@2812:         cs.enter(m);
sadayapalam@2812:         cs.enter(v);
sadayapalam@2812:         cs.remove(m);
sadayapalam@2812:         s = cs.lookup(hasNext).sym;
sadayapalam@2812:         if (s != v)
sadayapalam@2812:             throw new AssertionError("Wrong symbol");
sadayapalam@2812:     }
sadayapalam@2812: }