8014477: (str) Race condition in String.contentEquals when comparing with StringBuffer
Reviewed-by: alanb, mduigou, dholmes
/*
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*
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* 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,
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*/
/**
* @test
* @bug 4882798
* @summary simple test for the Boot-Class-Path manifest attribute
* @author Gabriel Adauto, Wily Technology, Robert Field, Sun Microsystems
*
* @run build AppendToBootstrapClassPathTest ExampleForBootClassPath
* @run shell AppendToBootstrapClassPathSetUp.sh
* @run shell MakeJAR.sh bootclasspathAgent
* @run main/othervm -javaagent:bootclasspathAgent.jar AppendToBootstrapClassPathTest AppendToBootstrapClassPathTest
*/
import java.io.*;
public class
AppendToBootstrapClassPathTest
extends ASimpleInstrumentationTestCase
{
/**
* Constructor for AppendToBootstrapClassPathTest.
* @param name
*/
public AppendToBootstrapClassPathTest(String name) {
super(name);
}
public static void main (String[] args) throws Throwable {
ATestCaseScaffold test = new AppendToBootstrapClassPathTest(args[0]);
test.runTest();
}
protected final void doRunTest() {
testAppendToBootstrapClassPath();
}
public void testAppendToBootstrapClassPath() {
// load the "hidden" class, it should be loaded by the boot loader
Object instance = loadExampleClass();
assertTrue(instance.getClass().getClassLoader() == null);
}
Object loadExampleClass() {
ExampleForBootClassPath instance = new ExampleForBootClassPath();
assertTrue(instance.fifteen() == 15);
return instance;
}
}