1 /*

     2  * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 /*

    26  * @test

    27  * @summary Initiating and defining classloader test.

    28  * @requires vm.cds

    29  * @library /test/lib

    30  * @modules jdk.jartool/sun.tools.jar

    31  * @compile test-classes/Hello.java

    32  * @compile test-classes/HelloWB.java

    33  * @compile test-classes/ForNameTest.java

    34  * @compile test-classes/BootClassPathAppendHelper.java

    35  * @build sun.hotspot.WhiteBox

    36  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    37  * @run driver ClassLoaderTest

    38  */

    39 

    40 import java.io.File;

    41 import jdk.test.lib.process.OutputAnalyzer;

    42 

    43 public class ClassLoaderTest {

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

    45         JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox");

    46         JarBuilder.getOrCreateHelloJar();

    47         JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB");

    48         JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest");

    49         ClassLoaderTest test = new ClassLoaderTest();

    50         test.testBootLoader();

    51         test.testDefiningLoader();

    52     }

    53 

    54     public void testBootLoader() throws Exception {

    55         String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar");

    56         String appClasses[] = {"HelloWB"};

    57         String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");

    58         String bootClassPath = "-Xbootclasspath/a:" + appJar +

    59             File.pathSeparator + whiteBoxJar;

    60 

    61         TestCommon.dump(appJar, appClasses, bootClassPath);

    62 

    63         TestCommon.run(

    64             "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",

    65             "-cp", appJar, bootClassPath, "HelloWB")

    66           .assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null"));

    67     }

    68 

    69     public void testDefiningLoader() throws Exception {

    70         // The boot loader should be used to load the class when it's

    71         // on the bootclasspath, regardless who is the initiating classloader.

    72         // In this test case, the AppClassLoader is the initiating classloader.

    73         String helloJar = TestCommon.getTestJar("hello.jar");

    74         String appJar = helloJar + System.getProperty("path.separator") +

    75                         TestCommon.getTestJar("ClassLoaderTest-ForName.jar");

    76         String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");

    77         String bootClassPath = "-Xbootclasspath/a:" + helloJar +

    78             File.pathSeparator + whiteBoxJar;

    79 

    80         // Archive the "Hello" class from the appended bootclasspath

    81         TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath);

    82 

    83         TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",

    84             "-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest")

    85           .assertNormalExit();

    86     }

    87 }