jdk/test/java/lang/instrument/GetObjectSizeTest.java
author duke
Sat, 01 Dec 2007 00:00:00 +0000
changeset 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
Initial load
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     1
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
     2
 * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     4
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
90ce3da70b43 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
90ce3da70b43 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     8
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
90ce3da70b43 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
90ce3da70b43 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
90ce3da70b43 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
90ce3da70b43 Initial load
duke
parents:
diff changeset
    14
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
90ce3da70b43 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    18
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    22
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    23
90ce3da70b43 Initial load
duke
parents:
diff changeset
    24
/**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    25
 * @test
90ce3da70b43 Initial load
duke
parents:
diff changeset
    26
 * @bug 4882798
90ce3da70b43 Initial load
duke
parents:
diff changeset
    27
 * @summary round-trip test for getObjectSize (does it return, and is the result non-zero?)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    28
 * @author Gabriel Adauto, Wily Technology
90ce3da70b43 Initial load
duke
parents:
diff changeset
    29
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    30
 * @run build GetObjectSizeTest
90ce3da70b43 Initial load
duke
parents:
diff changeset
    31
 * @run shell MakeJAR.sh basicAgent
90ce3da70b43 Initial load
duke
parents:
diff changeset
    32
 * @run main/othervm -javaagent:basicAgent.jar GetObjectSizeTest GetObjectSizeTest
90ce3da70b43 Initial load
duke
parents:
diff changeset
    33
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    34
import java.util.*;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    35
90ce3da70b43 Initial load
duke
parents:
diff changeset
    36
public class
90ce3da70b43 Initial load
duke
parents:
diff changeset
    37
GetObjectSizeTest
90ce3da70b43 Initial load
duke
parents:
diff changeset
    38
    extends ASimpleInstrumentationTestCase
90ce3da70b43 Initial load
duke
parents:
diff changeset
    39
{
90ce3da70b43 Initial load
duke
parents:
diff changeset
    40
90ce3da70b43 Initial load
duke
parents:
diff changeset
    41
    /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
    42
     * Constructor for GetObjectSizeTest.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    43
     * @param name
90ce3da70b43 Initial load
duke
parents:
diff changeset
    44
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    45
    public GetObjectSizeTest(String name)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    46
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    47
        super(name);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    48
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    49
90ce3da70b43 Initial load
duke
parents:
diff changeset
    50
    public static void
90ce3da70b43 Initial load
duke
parents:
diff changeset
    51
    main (String[] args)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    52
        throws Throwable {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    53
        ATestCaseScaffold   test = new GetObjectSizeTest(args[0]);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    54
        test.runTest();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    55
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    56
90ce3da70b43 Initial load
duke
parents:
diff changeset
    57
    protected final void
90ce3da70b43 Initial load
duke
parents:
diff changeset
    58
    doRunTest()
90ce3da70b43 Initial load
duke
parents:
diff changeset
    59
        throws Throwable {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    60
        testGetObjectSize();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    61
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    62
90ce3da70b43 Initial load
duke
parents:
diff changeset
    63
    /*
90ce3da70b43 Initial load
duke
parents:
diff changeset
    64
     *  Lame test just to show we can do the roundtrip
90ce3da70b43 Initial load
duke
parents:
diff changeset
    65
     */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    66
    public void
90ce3da70b43 Initial load
duke
parents:
diff changeset
    67
    testGetObjectSize()
90ce3da70b43 Initial load
duke
parents:
diff changeset
    68
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    69
        Object[] objects = new Object[] {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    70
            "Hello World",
90ce3da70b43 Initial load
duke
parents:
diff changeset
    71
            new Integer(8),
90ce3da70b43 Initial load
duke
parents:
diff changeset
    72
            this,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    73
            new StringBuffer("Another test object"),
90ce3da70b43 Initial load
duke
parents:
diff changeset
    74
            new Vector(99),
90ce3da70b43 Initial load
duke
parents:
diff changeset
    75
            // Add more objects here
90ce3da70b43 Initial load
duke
parents:
diff changeset
    76
            };
90ce3da70b43 Initial load
duke
parents:
diff changeset
    77
        for (int i = 0; i < objects.length; i++)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    78
        {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    79
            Object o = objects[i];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    80
            long size = fInst.getObjectSize(o);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    81
            assertTrue(size > 0);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    82
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    83
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    84
90ce3da70b43 Initial load
duke
parents:
diff changeset
    85
}