/*

 * 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

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 */

/**

 * @test

 * @bug 7018098

 * @summary CacheFSInfo persists too long

 * @library /tools/javac/lib

 * @build JavacTestingAbstractProcessor T7018098

 * @run main T7018098

 */

import java.io.*;

import java.util.*;

import javax.annotation.processing.RoundEnvironment;

import javax.annotation.processing.SupportedOptions;

import javax.lang.model.element.TypeElement;

import javax.tools.Diagnostic;

import com.sun.tools.javac.file.FSInfo;

import com.sun.tools.javac.processing.JavacProcessingEnvironment;

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

@SupportedOptions("expect")

public class T7018098 extends JavacTestingAbstractProcessor {

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

        new T7018098().run();

    }

    static File testDir = new File("T7018098.dir");

    void run() throws Exception {

        String myName = T7018098.class.getSimpleName();

        File testSrc = new File(System.getProperty("test.src"));

        File file = new File(testSrc, myName + ".java");

        _assert(!testDir.exists());

        compile(

            "-proc:only",

            "-processor", myName,

            "-Aexpect=false",

            file.getPath());

        testDir.mkdirs();

        _assert(testDir.exists());

        compile(

            "-proc:only",

            "-processor", myName,

            "-Aexpect=true",

            file.getPath());

    }

    void _assert(boolean cond) {

        if (!cond)

            throw new AssertionError();

    }

    void compile(String... args) throws Exception {

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        int rc = com.sun.tools.javac.Main.compile(args, pw);

        pw.close();

        String out = sw.toString();

        if (!out.isEmpty())

            System.err.println(out);

        if (rc != 0)

            throw new Exception("compilation failed unexpectedly: rc=" + rc);

    }

    //---------------

    @Override

    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

        Context context = ((JavacProcessingEnvironment) processingEnv).getContext();

        FSInfo fsInfo = context.get(FSInfo.class);

        round++;

        if (round == 1) {

            boolean expect = Boolean.valueOf(options.get("expect"));

            checkEqual("cache result", fsInfo.isDirectory(testDir.toPath()), expect);

            initialFSInfo = fsInfo;

        } else {

            checkEqual("fsInfo", fsInfo, initialFSInfo);

        }

        return true;

    }

    <T> void checkEqual(String label, T actual, T expected) {

        if (actual != expected)

            messager.printMessage(Diagnostic.Kind.ERROR,

                    "Unexpected value for " + label

                    + "; expected: " + expected

                    + "; found: " + actual);

    }

    int round = 0;

    FSInfo initialFSInfo;

}