1 /*

     2  * Copyright (c) 2014, 2018, 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 java.base/jdk.internal.misc

    31  *          java.management

    32  *          jdk.jartool/sun.tools.jar

    33  * @compile test-classes/Hello.java

    34  * @compile test-classes/HelloWB.java

    35  * @compile test-classes/ForNameTest.java

    36  * @compile test-classes/BootClassPathAppendHelper.java

    37  * @build sun.hotspot.WhiteBox

    38  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    39  * @run driver ClassLoaderTest

    40  */

    41 

    42 import java.io.File;

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

    44 

    45 public class ClassLoaderTest {

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

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

    48         JarBuilder.getOrCreateHelloJar();

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

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

    51         ClassLoaderTest test = new ClassLoaderTest();

    52         test.testBootLoader();

    53         test.testDefiningLoader();

    54     }

    55 

    56     public void testBootLoader() throws Exception {

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

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

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

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

    61             File.pathSeparator + whiteBoxJar;

    62 

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

    64 

    65         TestCommon.run(

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

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

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

    69     }

    70 

    71     public void testDefiningLoader() throws Exception {

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

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

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

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

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

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

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

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

    80             File.pathSeparator + whiteBoxJar;

    81 

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

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

    84 

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

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

    87           .assertNormalExit();

    88     }

    89 }