Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2013, 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 8009227

  * @summary Certain diagnostics should not be deferred

  */

 import com.sun.source.util.JavacTask;

 import java.io.BufferedWriter;

 import java.io.File;

 import java.io.FileWriter;

 import java.io.IOException;

 import java.util.Arrays;

 import javax.tools.Diagnostic;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.ToolProvider;

 public class CompletionFailure {

     public static void main(String... args) throws Exception {

         String SCRATCH_DIR = System.getProperty("user.dir");

         JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler();

         File scratchDir = new File(SCRATCH_DIR);

         sourceA.dumpTo(scratchDir);

         sourceB.dumpTo(scratchDir);

         JavacTask ct = (JavacTask)javacTool.getTask(null, null, null,

                 null, null, Arrays.asList(sourceA.asJFO(scratchDir), sourceB.asJFO(scratchDir)));

         ct.generate();

         remove(scratchDir, "A.java");

         remove(scratchDir, "B.java");

         remove(scratchDir, "A.class");

         sourceC.dumpTo(scratchDir);

         sourceD.dumpTo(scratchDir);

         DiagnosticChecker diagChecker = new DiagnosticChecker();

         ct = (JavacTask)javacTool.getTask(null, null, diagChecker,

                 Arrays.asList("-XDrawDiagnostics", "-cp", scratchDir.getAbsolutePath()),

                 null, Arrays.asList(sourceC.asJFO(scratchDir), sourceD.asJFO(scratchDir)));

         try {

             ct.analyze();

         } catch (Throwable ex) {

             //ignore abort exception thrown by javac

         }

         if (!diagChecker.errorFound) {

             throw new AssertionError("Missing diagnostic");

         }

     }

     static void remove(File dir, String fileName) {

         File fileToRemove = new File(dir, fileName);

         fileToRemove.delete();

     }

     static class JavaSource {

         String contents;

         String filename;

         public JavaSource(String filename, String contents) {

             this.filename =  filename;

             this.contents = contents;

         }

         void dumpTo(java.io.File loc) throws Exception {

             File file = new File(loc, filename);

             BufferedWriter bw = new java.io.BufferedWriter(new FileWriter(file));

             bw.append(contents);

             bw.close();

         }

         SimpleJavaFileObject asJFO(java.io.File dir) {

             return new SimpleJavaFileObject(new File(dir, filename).toURI(), JavaFileObject.Kind.SOURCE) {

                 @Override

                 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {

                     return contents;

                 }

             };

         }

     }

     static JavaSource sourceA = new JavaSource("A.java", "public interface A { }\n");

     static JavaSource sourceB = new JavaSource("B.java", "public class B implements A {\n" +

                                                "   public static Object n() { return null; }\n" +

                                                "}\n");

     static JavaSource sourceC = new JavaSource("C.java", "public class C {\n" +

                                                "   void test(B b) {\n" +

                                                "      D.m(B.n());\n" +

                                                "}  }\n");

     static JavaSource sourceD = new JavaSource("D.java", "public class D {\n" +

                                                "   static void m(Object o) { }\n" +

                                                "}\n");

     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {

         boolean errorFound;

         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {

             if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&

                     diagnostic.getCode().contains("compiler.err.cant.access")) {

                 errorFound = true;

             }

         }

     }

 }