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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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 *
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 * 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 the address of the jimage index.
 * @test ImageGetIndexAddressTest
 * @summary Unit test for JVM_ImageGetIndexAddress() method
 * @library /testlibrary /../../test/lib
 * @build ImageGetIndexAddressTest
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ImageGetIndexAddressTest
 */

import java.io.File;
import java.nio.ByteOrder;
import sun.hotspot.WhiteBox;
import static jdk.test.lib.Asserts.*;

public class ImageGetIndexAddressTest {

    public static final WhiteBox wb = WhiteBox.getWhiteBox();

    public static void main(String... args) throws Exception {
        String javaHome = System.getProperty("java.home");
        String imageFile = javaHome + File.separator + "lib" + File.separator
                + "modules" + File.separator + "bootmodules.jimage";

        if (!(new File(imageFile)).exists()) {
            System.out.printf("Test skipped.");
            return;
        }

        boolean bigEndian = ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN;
        long id = wb.imageOpenImage(imageFile, bigEndian);

        // get index for valid id
        long indexAddr = wb.imageGetIndexAddress(id);
        assertFalse(indexAddr == 0, "Failed. Index address is zero for valid id");

        // get index for invalid id == 0
        indexAddr = wb.imageGetIndexAddress(0);
        assertTrue(indexAddr == 0, "Failed. Index address is" + indexAddr + " for zero id\n");

        wb.imageCloseImage(id);
    }
}