| /* |
| * Copyright (c) 2011, 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 7017664 |
| * @summary Basher for CompoundScopes |
| * @modules jdk.compiler/com.sun.tools.javac.code |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.util |
| */ |
| |
| import com.sun.source.util.JavacTask; |
| import com.sun.tools.javac.code.Symbol; |
| 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.code.Symbol.*; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Arrays; |
| import java.util.List; |
| import javax.lang.model.element.Element; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.ToolProvider; |
| |
| import static javax.tools.JavaFileObject.Kind; |
| |
| public class ImplementationCacheTest { |
| |
| static class SourceFile extends SimpleJavaFileObject { |
| |
| final String source = "interface I { void m(); }\n" + |
| "class A implements I { public void m() {} }\n" + |
| "class B extends A { }\n"; |
| |
| public SourceFile() { |
| super(URI.create("test.java"), Kind.SOURCE); |
| } |
| |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| } |
| |
| public static void main(String[] args) throws IOException { |
| List<? extends JavaFileObject> files = Arrays.asList(new SourceFile()); |
| JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
| JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files); |
| Context ctx = new Context(); |
| JavacFileManager.preRegister(ctx); |
| checkImplementationCache(ct.analyze(), Types.instance(ctx)); |
| } |
| |
| static void checkImplementationCache(Iterable<? extends Element> elements, Types types) { |
| if (types == null) { |
| throw new AssertionError("problems initializing Types"); |
| } |
| |
| Symbol a = null; |
| Symbol b = null; |
| Symbol i = null; |
| |
| for (Element e : elements) { |
| if (e.getSimpleName().contentEquals("A")) { |
| a = (Symbol)e; |
| } else if (e.getSimpleName().contentEquals("B")) { |
| b = (Symbol)e; |
| } else if (e.getSimpleName().contentEquals("I")) { |
| i = (Symbol)e; |
| } |
| } |
| |
| if (a == null || b == null || i == null) { |
| throw new AssertionError("missing class"); |
| } |
| |
| MethodSymbol I_m = null; |
| |
| for (Symbol sym : i.members().getSymbols()) { |
| if (sym.name.contentEquals("m")) { |
| I_m = (MethodSymbol)sym; |
| } |
| } |
| |
| if (I_m == null) { |
| throw new AssertionError("missing method m() in scope of interface I"); |
| } |
| |
| Symbol impl = I_m.implementation((TypeSymbol)b, types, true); |
| |
| if (impl == null || impl.owner != a) { |
| throw new AssertionError("wrong implementation for m() in B"); |
| } |
| |
| b.members().enter(I_m.clone(b)); |
| |
| Symbol newImpl = I_m.implementation((TypeSymbol)b, types, true); |
| |
| if (newImpl == impl) { |
| throw new AssertionError("stale implementation for m() in B"); |
| } |
| |
| if (newImpl == null || newImpl.owner != b) { |
| throw new AssertionError("wrong implementation for m() in B"); |
| } |
| } |
| } |