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Source Code of T6358168

/*
* Copyright (c) 2006, 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 6358168
* @summary JavaCompiler.hasBeenUsed is not set in delegateCompiler
*/

import java.io.*;
import java.net.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.tools.*;
import com.sun.tools.javac.file.*;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.main.JavaCompiler;
import com.sun.tools.javac.main.*;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.util.List; // disambiguate


@SupportedAnnotationTypes("*")
public class T6358168 extends AbstractProcessor {
    private static String testClasses = System.getProperty("test.classes");
    private static String testSrc = System.getProperty("test.src");
    private static String self = T6358168.class.getName();

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

        JavacFileManager fm = new JavacFileManager(new Context(), false, null);
        JavaFileObject f = fm.getFileForInput(testSrc + File.separatorChar + T6358168.class.getName() + ".java");

        try {
            // first, test case with no annotation processing
            testNoAnnotationProcessing(fm, f);

            // now, test case with annotation processing
            testAnnotationProcessing(fm, f);
        }
        catch (Throwable t) {
            AssertionError e = new AssertionError();
            e.initCause(t);
            throw e;
        }
    }

    static void testNoAnnotationProcessing(JavacFileManager fm, JavaFileObject f) throws Throwable {
        Context context = new Context();
        fm.setContext(context);

        Main compilerMain = new Main("javac", new PrintWriter(System.err, true));
        compilerMain.setOptions(Options.instance(context));
        compilerMain.filenames = new ListBuffer<File>();
        compilerMain.processArgs(new String[] { "-d", "." });

        JavaCompiler compiler = JavaCompiler.instance(context);
        compiler.compile(List.of(f));
        try {
            compiler.compile(List.of(f));
            throw new Error("Error: AssertionError not thrown after second call of compile");
        } catch (AssertionError e) {
            System.err.println("Exception from compiler (expected): " + e);
        }
    }

    static void testAnnotationProcessing(JavacFileManager fm, JavaFileObject f) throws Throwable {
        Context context = new Context();
        fm.setContext(context);

        Main compilerMain = new Main("javac", new PrintWriter(System.err, true));
        compilerMain.setOptions(Options.instance(context));
        compilerMain.filenames = new ListBuffer<File>();
        compilerMain.processArgs(new String[] {
                                     "-XprintRounds",
                                     "-processorpath", testClasses,
                                     "-processor", self,
                                     "-d", "."});

        JavaCompiler compiler = JavaCompiler.instance(context);
        compiler.initProcessAnnotations(null);
        JavaCompiler compiler2 = compiler.processAnnotations(compiler.enterTrees(compiler.parseFiles(List.of(f))));
        try {
            compiler2.compile(List.of(f));
            throw new Error("Error: AssertionError not thrown after second call of compile");
        } catch (AssertionError e) {
            System.err.println("Exception from compiler (expected): " + e);
        }
    }

    public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
        return true;
    }
}
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