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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test Default CDS archive file
 * @summary JDK platforms/binaries do not support default CDS archive should
 *          not contain classes.jsa in the default location.
 * @requires vm.cds
 * @library /test/lib
 * @build jdk.test.whitebox.WhiteBox
 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *      -XX:+WhiteBoxAPI CheckDefaultArchiveFile
 */
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.test.lib.Platform;
import jdk.test.lib.cds.CDSTestUtils;
import jtreg.SkippedException;
import jdk.test.whitebox.WhiteBox;

public class CheckDefaultArchiveFile {
    public static void main(String[] args) throws Exception {
        WhiteBox wb = WhiteBox.getWhiteBox();
        String osArch = Platform.getOsArch();
        String vmName = System.getProperty("java.vm.name");
        String vmString = vmName + "(" + osArch + ")";
        String jsaString = wb.getDefaultArchivePath();
        System.out.println("classes.jsa location:" + jsaString);
        if (jsaString == null) {
            if (Platform.isDefaultCDSArchiveSupported()) {
                throw new RuntimeException("default CDS archive supported, but classes.jsa path null");
            }
        } else {
            Path jsa = Paths.get(jsaString);
            if (Platform.isDefaultCDSArchiveSupported()) {
                if (Files.exists(jsa)) {
                    System.out.println("Passed. " + vmString +
                                       ": has default classes.jsa file");
                } else {
                    throw new RuntimeException(vmString + "has no " + jsaString);
                }
            } else {
                throw new SkippedException("Default CDS archive is not supported");
            }
        }
    }
}