aaac2cbb54
Co-authored-by: James Laskey <james.laskey@oracle.com> Co-authored-by: Sundararajan Athijegannathan <sundararajan.athijegannathan@oracle.com> Reviewed-by: alanb, mchung, psandoz, acorn, lfoltan, ctornqvi
76 lines
2.9 KiB
Java
76 lines
2.9 KiB
Java
/*
|
|
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
|
|
* 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* Find the attributes of existing and invalid classes.
|
|
* @test ImageFindAttributesTest
|
|
* @summary Unit test for JVM_ImageFindAttributes() method
|
|
* @library /testlibrary /../../test/lib
|
|
* @build ImageFindAttributesTest
|
|
* @run main ClassFileInstaller sun.hotspot.WhiteBox
|
|
* sun.hotspot.WhiteBox$WhiteBoxPermission
|
|
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ImageFindAttributesTest
|
|
*/
|
|
|
|
import java.io.File;
|
|
import java.nio.ByteOrder;
|
|
import sun.hotspot.WhiteBox;
|
|
import static jdk.test.lib.Asserts.*;
|
|
|
|
public class ImageFindAttributesTest {
|
|
|
|
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);
|
|
|
|
// class resource
|
|
String className = "/java.base/java/lang/String.class";
|
|
long[] longArr = wb.imageFindAttributes(id, className.getBytes());
|
|
|
|
assertNotNull(longArr, "Could not retrieve attributes of class " + className);
|
|
|
|
// non-existent resource
|
|
String neClassName = "/java.base/java/lang/NonExistentClass.class";
|
|
longArr = wb.imageFindAttributes(id, neClassName.getBytes());
|
|
|
|
assertNull(longArr, "Failed. Returned not null for non-existent " + neClassName);
|
|
|
|
// garbage byte array
|
|
byte[] buf = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
|
|
longArr = wb.imageFindAttributes(id, buf);
|
|
|
|
assertNull(longArr, "Found attributes for garbage class");
|
|
}
|
|
}
|