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/*

 * @test

 * @summary Handling of directories in -cp is based on the classlist

 * @requires vm.cds

 * @library /test/lib

 * @compile test-classes/Hello.java

 * @run driver DirClasspathTest

 */

import jdk.test.lib.Platform;

import jdk.test.lib.process.OutputAnalyzer;

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Arrays;

public class DirClasspathTest {

    private static final int MAX_PATH = 260;

    public static void main(String[] args) throws Exception {

        File dir = new File(System.getProperty("user.dir"));

        File emptydir = new File(dir, "emptydir");

        emptydir.mkdir();

        /////////////////////////////////////////////////////////////////

        // The classlist only contains boot class in following test cases

        /////////////////////////////////////////////////////////////////

        String bootClassList[] = {"java/lang/Object"};

        // Empty dir in -cp: should be OK

        OutputAnalyzer output;

        TestCommon.checkDump(output);

        // Long path to empty dir in -cp: should be OK

        Path classDir = Paths.get(System.getProperty("test.classes"));

        Path destDir = classDir;

        int subDirLen = MAX_PATH - classDir.toString().length() - 2;

        if (subDirLen > 0) {

            char[] chars = new char[subDirLen];

            Arrays.fill(chars, 'x');

            String subPath = new String(chars);

            destDir = Paths.get(System.getProperty("test.classes"), subPath);

        }

        File longDir = destDir.toFile();

        longDir.mkdir();

        File subDir = new File(longDir, "subdir");

        subDir.mkdir();

        TestCommon.checkDump(output);

        // Non-empty dir in -cp: should be OK

        // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>

        TestCommon.checkDump(output);

        // Long path to non-empty dir in -cp: should be OK

        // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>

        TestCommon.checkDump(output);

        /////////////////////////////////////////////////////////////////

        // The classlist contains non-boot class in following test cases

        /////////////////////////////////////////////////////////////////

        String appClassList[] = {"java/lang/Object", "com/sun/tools/javac/Main"};

        // Non-empty dir in -cp: should be OK (as long as no classes were loaded from there)

        TestCommon.checkDump(output);

        // Long path to non-empty dir in -cp: should be OK (as long as no classes were loaded from there)

        TestCommon.checkDump(output);

        /////////////////////////////////////////////////////////////////

        // Loading an app class from a directory

        /////////////////////////////////////////////////////////////////

        // Non-empty dir in -cp: should report error if a class is loaded from it

        output.shouldNotHaveExitValue(0);

        output.shouldContain("Cannot have non-empty directory in paths");

        // Long path to non-empty dir in -cp: should report error if a class is loaded from it

        Files.copy(srcClass.toPath(), destClass.toPath());

        output.shouldNotHaveExitValue(0);

        output.shouldContain("Cannot have non-empty directory in paths");

    }

}