aoqi@0: /*
aoqi@0:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8009227
aoqi@0:  * @summary Certain diagnostics should not be deferred
aoqi@0:  */
aoqi@0: 
aoqi@0: import com.sun.source.util.JavacTask;
aoqi@0: import java.io.BufferedWriter;
aoqi@0: import java.io.File;
aoqi@0: import java.io.FileWriter;
aoqi@0: import java.io.IOException;
aoqi@0: import java.util.Arrays;
aoqi@0: import javax.tools.Diagnostic;
aoqi@0: import javax.tools.JavaCompiler;
aoqi@0: import javax.tools.JavaFileObject;
aoqi@0: import javax.tools.SimpleJavaFileObject;
aoqi@0: import javax.tools.ToolProvider;
aoqi@0: 
aoqi@0: public class CompletionFailure {
aoqi@0: 
aoqi@0:     public static void main(String... args) throws Exception {
aoqi@0: 
aoqi@0:         String SCRATCH_DIR = System.getProperty("user.dir");
aoqi@0:         JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler();
aoqi@0:         File scratchDir = new File(SCRATCH_DIR);
aoqi@0: 
aoqi@0:         sourceA.dumpTo(scratchDir);
aoqi@0:         sourceB.dumpTo(scratchDir);
aoqi@0: 
aoqi@0:         JavacTask ct = (JavacTask)javacTool.getTask(null, null, null,
aoqi@0:                 null, null, Arrays.asList(sourceA.asJFO(scratchDir), sourceB.asJFO(scratchDir)));
aoqi@0: 
aoqi@0:         ct.generate();
aoqi@0: 
aoqi@0:         remove(scratchDir, "A.java");
aoqi@0:         remove(scratchDir, "B.java");
aoqi@0:         remove(scratchDir, "A.class");
aoqi@0: 
aoqi@0:         sourceC.dumpTo(scratchDir);
aoqi@0:         sourceD.dumpTo(scratchDir);
aoqi@0: 
aoqi@0:         DiagnosticChecker diagChecker = new DiagnosticChecker();
aoqi@0:         ct = (JavacTask)javacTool.getTask(null, null, diagChecker,
aoqi@0:                 Arrays.asList("-XDrawDiagnostics", "-cp", scratchDir.getAbsolutePath()),
aoqi@0:                 null, Arrays.asList(sourceC.asJFO(scratchDir), sourceD.asJFO(scratchDir)));
aoqi@0:         try {
aoqi@0:             ct.analyze();
aoqi@0:         } catch (Throwable ex) {
aoqi@0:             //ignore abort exception thrown by javac
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (!diagChecker.errorFound) {
aoqi@0:             throw new AssertionError("Missing diagnostic");
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void remove(File dir, String fileName) {
aoqi@0:         File fileToRemove = new File(dir, fileName);
aoqi@0:         fileToRemove.delete();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static class JavaSource {
aoqi@0:         String contents;
aoqi@0:         String filename;
aoqi@0: 
aoqi@0:         public JavaSource(String filename, String contents) {
aoqi@0:             this.filename =  filename;
aoqi@0:             this.contents = contents;
aoqi@0:         }
aoqi@0: 
aoqi@0:         void dumpTo(java.io.File loc) throws Exception {
aoqi@0:             File file = new File(loc, filename);
aoqi@0:             BufferedWriter bw = new java.io.BufferedWriter(new FileWriter(file));
aoqi@0:             bw.append(contents);
aoqi@0:             bw.close();
aoqi@0:         }
aoqi@0: 
aoqi@0:         SimpleJavaFileObject asJFO(java.io.File dir) {
aoqi@0:             return new SimpleJavaFileObject(new File(dir, filename).toURI(), JavaFileObject.Kind.SOURCE) {
aoqi@0:                 @Override
aoqi@0:                 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
aoqi@0:                     return contents;
aoqi@0:                 }
aoqi@0:             };
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static JavaSource sourceA = new JavaSource("A.java", "public interface A { }\n");
aoqi@0: 
aoqi@0:     static JavaSource sourceB = new JavaSource("B.java", "public class B implements A {\n" +
aoqi@0:                                                "   public static Object n() { return null; }\n" +
aoqi@0:                                                "}\n");
aoqi@0: 
aoqi@0:     static JavaSource sourceC = new JavaSource("C.java", "public class C {\n" +
aoqi@0:                                                "   void test(B b) {\n" +
aoqi@0:                                                "      D.m(B.n());\n" +
aoqi@0:                                                "}  }\n");
aoqi@0: 
aoqi@0:     static JavaSource sourceD = new JavaSource("D.java", "public class D {\n" +
aoqi@0:                                                "   static void m(Object o) { }\n" +
aoqi@0:                                                "}\n");
aoqi@0: 
aoqi@0:     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
aoqi@0: 
aoqi@0:         boolean errorFound;
aoqi@0: 
aoqi@0:         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
aoqi@0:             if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
aoqi@0:                     diagnostic.getCode().contains("compiler.err.cant.access")) {
aoqi@0:                 errorFound = true;
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: }