jdk8-mips64-public/langtools: test/tools/javac/defaultMethods/fd/FDTest.java@d7d932236fee (annotated)

test/tools/javac/defaultMethods/fd/FDTest.java@d7d932236fee (annotated)

test/tools/javac/defaultMethods/fd/FDTest.java

Sun, 04 Nov 2012 10:59:42 +0000

author: mcimadamore
date: Sun, 04 Nov 2012 10:59:42 +0000
changeset 1393: d7d932236fee
child 1415: 01c9d4161882
permissions: -rw-r--r--

7192246: Add type-checking support for default methods
Summary: Add type-checking support for default methods as per Featherweight-Defender document
Reviewed-by: jjg, dlsmith

 /*
  * Copyright (c) 2012, 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
  * @summary Automatic test for checking correctness of default resolution
  */
 import shapegen.*;
 import com.sun.source.util.JavacTask;
 import java.net.URI;
 import java.util.Arrays;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import javax.tools.Diagnostic;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.ToolProvider;
 public class FDTest {
     enum TestKind {
         POSITIVE,
         NEGATIVE;
         Collection<Hierarchy> getHierarchy(HierarchyGenerator hg) {
             return this == POSITIVE ?
                     hg.getOK() : hg.getErr();
         }
     }
     public static void main(String[] args) throws Exception {
         //create default shared JavaCompiler - reused across multiple compilations
         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
         StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
         HierarchyGenerator hg = new HierarchyGenerator();
         for (TestKind tk : TestKind.values()) {
             for (Hierarchy hs : tk.getHierarchy(hg)) {
                 new FDTest(tk, hs).run(comp, fm);
             }
         }
     }
     TestKind tk;
     Hierarchy hs;
     DefenderTestSource source;
     DiagnosticChecker diagChecker;
     FDTest(TestKind tk, Hierarchy hs) {
         this.tk = tk;
         this.hs = hs;
         this.source = new DefenderTestSource();
         this.diagChecker = new DiagnosticChecker();
     }
     void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
         JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
                 Arrays.asList("-XDallowDefaultMethods"), null, Arrays.asList(source));
         try {
             ct.analyze();
         } catch (Throwable ex) {
             throw new AssertionError("Error thrown when analyzing the following source:\n" + source.getCharContent(true));
         }
         check();
     }
     void check() {
         boolean errorExpected = tk == TestKind.NEGATIVE;
         if (errorExpected != diagChecker.errorFound) {
             throw new AssertionError("problem in source: \n" +
                     "\nerror found = " + diagChecker.errorFound +
                     "\nerror expected = " + errorExpected +
                     "\n" + dumpHierarchy() +
                     "\n" + source.getCharContent(true));
         }
     }
     String dumpHierarchy() {
         StringBuilder buf = new StringBuilder();
         buf.append("root = " + hs.root + "\n");
         for (ClassCase cc : hs.all) {
             buf.append("  class name = " + cc.getName() + "\n");
             buf.append("    class OK = " + cc.get_OK() + "\n");
             buf.append("    prov = " + cc.get_mprov() + "\n");
         }
         return buf.toString();
     }
     class DefenderTestSource extends SimpleJavaFileObject {
         String source;
         public DefenderTestSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             StringBuilder buf = new StringBuilder();
             List<ClassCase> defaultRef = new ArrayList<>();
             for (ClassCase cc : hs.all) {
                 hs.genClassDef(buf, cc, null, defaultRef);
             }
             source = buf.toString();
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
         boolean errorFound;
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
                 errorFound = true;
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/defaultMethods/fd/FDTest.java@d7d932236fee (annotated)

test/tools/javac/defaultMethods/fd/FDTest.java