jdk8-mips64-public/langtools: test/tools/javac/types/ScopeListenerTest.java@93012e2a5d1d (annotated)

test/tools/javac/types/ScopeListenerTest.java@93012e2a5d1d (annotated)

test/tools/javac/types/ScopeListenerTest.java

Sat, 07 Nov 2020 10:30:02 +0800

author: aoqi
date: Sat, 07 Nov 2020 10:30:02 +0800
changeset 3938: 93012e2a5d1d
parent 2813: d94fe2d29b1e
permissions: -rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

 /*
  * 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 8039262
  * @summary Ensure that using Types.membersClosure does not increase the number of listeners on the
  *          class's members Scope.
  */
 import com.sun.tools.javac.code.Scope;
 import com.sun.tools.javac.code.Symbol;
 import com.sun.tools.javac.code.Symtab;
 import com.sun.tools.javac.code.Types;
 import com.sun.tools.javac.file.JavacFileManager;
 import com.sun.tools.javac.util.Context;
 import com.sun.tools.javac.util.Names;
 import java.lang.reflect.Field;
 import java.util.Collection;
 public class ScopeListenerTest {
     public static void main(String[] args) throws Exception {
         new ScopeListenerTest().run();
     }
     void run() throws Exception {
         Context context = new Context();
         JavacFileManager.preRegister(context);
         Types types = Types.instance(context);
         Symtab syms = Symtab.instance(context);
         Names names = Names.instance(context);
         types.membersClosure(syms.stringType, true);
         types.membersClosure(syms.stringType, false);
         Field listenersField = Scope.class.getDeclaredField("listeners");
         listenersField.setAccessible(true);
         int listenerCount =
                 ((Collection) listenersField.get(syms.stringType.tsym.members())).size();
         for (int i = 0; i < 100; i++) {
             types.membersClosure(syms.stringType, true);
             types.membersClosure(syms.stringType, false);
         }
         int newListenerCount
                 = ((Collection) listenersField.get(syms.stringType.tsym.members())).size();
         if (listenerCount != newListenerCount) {
             throw new AssertionError("Orig listener count: " + listenerCount +
                                      "; new listener count: " + newListenerCount);
         }
         for (Symbol s : types.membersClosure(syms.stringType, true).getElements())
             ;
         for (Symbol s : types.membersClosure(syms.stringType, false).getElementsByName(names.fromString("substring")))
             ;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/types/ScopeListenerTest.java@93012e2a5d1d (annotated)

test/tools/javac/types/ScopeListenerTest.java