SimpleClassFileLoadHookTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @library /test/lib
 * @requires vm.flavor != "minimal"
 * @run main/othervm/native -agentlib:SimpleClassFileLoadHook=Foo,XXX,YYY
 *      SimpleClassFileLoadHookTest
 */
import jdk.test.lib.Asserts;

class Foo {
    static String getValue() {
        return "XXX";
    }
    static String getOtherValue() {
        return "xXXXxx";
    }
}
public class SimpleClassFileLoadHookTest {
    public static void main(String args[]) {
        System.out.println(Foo.getValue());
        System.out.println(Foo.getOtherValue());
        Asserts.assertTrue("YYY".equals(Foo.getValue()) &&
                           "xYYYxx".equals(Foo.getOtherValue()),
                           "SimpleClassFileLoadHook should replace XXX with YYY");
    }
}