jdk8-mips64-public/langtools: test/tools/javac/scope/7017664/ImplementationCacheTest.java@0ff2bbd38f10

7033660: Update copyright year to 2011 on any files changed in 2011
Reviewed-by: dholmes

     1 /*

     2  * Copyright (c) 2011, 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 7017664

    27  * @summary Basher for CompoundScopes

    28  */

    30 import com.sun.source.util.JavacTask;

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

    32 import com.sun.tools.javac.code.Types;

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

    34 import com.sun.tools.javac.util.Context;

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

    38 import java.io.IOException;

    39 import java.net.URI;

    40 import java.util.Arrays;

    41 import java.util.List;

    42 import javax.lang.model.element.Element;

    43 import javax.tools.JavaCompiler;

    44 import javax.tools.JavaFileObject;

    45 import javax.tools.SimpleJavaFileObject;

    46 import javax.tools.ToolProvider;

    48 import static javax.tools.JavaFileObject.Kind;

    50 public class ImplementationCacheTest {

    52     static class SourceFile extends SimpleJavaFileObject {

    54         final String source = "interface I { void m(); }\n" +

    55                               "class A implements I { public void m() {} }\n" +

    56                               "class B extends A { }\n";

    58         public SourceFile() {

    59             super(URI.create("test.java"), Kind.SOURCE);

    60         }

    62         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

    63             return source;

    64         }

    65     }

    67     public static void main(String[] args) throws IOException {

    68         List<? extends JavaFileObject> files = Arrays.asList(new SourceFile());

    69         JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

    70         JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files);

    71         Context ctx = new Context();

    72         JavacFileManager.preRegister(ctx);

    73         checkImplementationCache(ct.analyze(), Types.instance(ctx));

    74     }

    76     static void checkImplementationCache(Iterable<? extends Element> elements, Types types) {

    77         if (types == null) {

    78             throw new AssertionError("problems initializing Types");

    79         }

    81         Symbol a = null;

    82         Symbol b = null;

    83         Symbol i = null;

    85         for (Element e : elements) {

    86             if (e.getSimpleName().contentEquals("A")) {

    87                 a = (Symbol)e;

    88             } else if (e.getSimpleName().contentEquals("B")) {

    89                 b = (Symbol)e;

    90             } else if (e.getSimpleName().contentEquals("I")) {

    91                 i = (Symbol)e;

    92             }

    93         }

    95         if (a == null || b == null || i == null) {

    96             throw new AssertionError("missing class");

    97         }

    99         MethodSymbol I_m = null;

   101         for (Symbol sym : i.members().getElements()) {

   102             if (sym.name.contentEquals("m")) {

   103                 I_m = (MethodSymbol)sym;

   104             }

   105         }

   107         if (I_m == null) {

   108             throw new AssertionError("missing method m() in scope of interface I");

   109         }

   111         Symbol impl = I_m.implementation((TypeSymbol)b, types, true);

   113         if (impl == null || impl.owner != a) {

   114             throw new AssertionError("wrong implementation for m() in B");

   115         }

   117         b.members().enter(I_m.clone(b));

   119         Symbol newImpl = I_m.implementation((TypeSymbol)b, types, true);

   121         if (newImpl == impl) {

   122             throw new AssertionError("stale implementation for m() in B");

   123         }

   125         if (newImpl == null || newImpl.owner != b) {

   126             throw new AssertionError("wrong implementation for m() in B");

   127         }

   128     }

   129 }

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