/*

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 * 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.

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 */

/*

 * @test

 * @summary Test --no-state option

 * @bug 8135131

  * @library /tools/lib

 * @modules jdk.compiler/com.sun.tools.javac.api

 *          jdk.compiler/com.sun.tools.javac.main

 *          jdk.compiler/com.sun.tools.sjavac

 * @build Wrapper toolbox.ToolBox toolbox.Assert

 * @run main Wrapper NoState

 */

import java.io.IOException;

import java.nio.file.*;

import java.util.stream.Stream;

import toolbox.Assert;

public class NoState extends SJavacTester {

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

        new NoState().run();

    }

    public void run() throws Exception {

        tb.writeFile(GENSRC.resolve("pkg/A.java"), "package pkg; class A {}");

        Files.createDirectory(BIN);

        compile("-d", BIN.toString(),

                GENSRC + "/pkg/A.java");

        // Make sure file was compiled

        Assert.check(Files.exists(BIN.resolve("pkg/A.class")));

        // Make sure we have no other files (such as a javac_state file) in the bin directory

        Assert.check(countPathsInDir(BIN) == 1);

        Assert.check(countPathsInDir(BIN.resolve("pkg")) == 1);

    }

    private long countPathsInDir(Path dir) throws IOException {

        try (Stream<Path> files = Files.list(dir)) {

            return files.count();

        }

    }

}