1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (c) 2014, 2018, 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.
*
*/
/*
* @test
* @summary Initiating and defining classloader test.
* @requires vm.cds
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* jdk.jartool/sun.tools.jar
* @compile test-classes/Hello.java
* @compile test-classes/HelloWB.java
* @compile test-classes/ForNameTest.java
* @compile test-classes/BootClassPathAppendHelper.java
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* @run main ClassLoaderTest
*/
import java.io.File;
import jdk.test.lib.process.OutputAnalyzer;
public class ClassLoaderTest {
public static void main(String[] args) throws Exception {
JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox");
JarBuilder.getOrCreateHelloJar();
JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB");
JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest");
ClassLoaderTest test = new ClassLoaderTest();
test.testBootLoader();
test.testDefiningLoader();
}
public void testBootLoader() throws Exception {
String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar");
String appClasses[] = {"HelloWB"};
String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");
String bootClassPath = "-Xbootclasspath/a:" + appJar +
File.pathSeparator + whiteBoxJar;
TestCommon.dump(appJar, appClasses, bootClassPath);
TestCommon.run(
"-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
"-cp", appJar, bootClassPath, "HelloWB")
.assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null"));
}
public void testDefiningLoader() throws Exception {
// The boot loader should be used to load the class when it's
// on the bootclasspath, regardless who is the initiating classloader.
// In this test case, the AppClassLoader is the initiating classloader.
String helloJar = TestCommon.getTestJar("hello.jar");
String appJar = helloJar + System.getProperty("path.separator") +
TestCommon.getTestJar("ClassLoaderTest-ForName.jar");
String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");
String bootClassPath = "-Xbootclasspath/a:" + helloJar +
File.pathSeparator + whiteBoxJar;
// Archive the "Hello" class from the appended bootclasspath
TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath);
TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
"-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest")
.assertNormalExit();
}
}
|
