1 /*
2 * Copyright (c) 2013, 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 * @test UnloadTest
26 * @library /runtime/testlibrary /testlibrary /testlibrary/whitebox
27 * @library classes
28 * @build ClassUnloadCommon test.Empty
29 * @build UnloadTest
30 * @run main ClassFileInstaller sun.hotspot.WhiteBox
31 * @run main/othervm -Xbootclasspath/a:. -Xmn8m -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI UnloadTest
32 */
33 import sun.hotspot.WhiteBox;
34
35 /**
36 * Test that verifies that classes are unloaded when they are no longer reachable.
37 *
38 * The test creates a class loader, uses the loader to load a class and creates an instance
39 * of that class. The it nulls out all the references to the instance, class and class loader
40 * and tries to trigger class unloading. Then it verifies that the class is no longer
41 * loaded by the VM.
42 */
43 public class UnloadTest {
44 private static String className = "test.Empty";
45
46 public static void main(String... args) throws Exception {
47 run();
48 }
49
50 private static void run() throws Exception {
51 final WhiteBox wb = WhiteBox.getWhiteBox();
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1 /*
2 * Copyright (c) 2014, 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 * @test UnloadTest
26 * @library /runtime/testlibrary /testlibrary /testlibrary/whitebox
27 * @library classes
28 * @build ClassUnloadCommon test.Empty
29 * @build UnloadTest
30 * @run main/othervm/bootclasspath -Xmn8m -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI UnloadTest
31 */
32 import sun.hotspot.WhiteBox;
33
34 /**
35 * Test that verifies that classes are unloaded when they are no longer reachable.
36 *
37 * The test creates a class loader, uses the loader to load a class and creates an instance
38 * of that class. The it nulls out all the references to the instance, class and class loader
39 * and tries to trigger class unloading. Then it verifies that the class is no longer
40 * loaded by the VM.
41 */
42 public class UnloadTest {
43 private static String className = "test.Empty";
44
45 public static void main(String... args) throws Exception {
46 run();
47 }
48
49 private static void run() throws Exception {
50 final WhiteBox wb = WhiteBox.getWhiteBox();
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