aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6894807
aoqi@0:  * @summary No ClassCastException for HashAttributeSet constructors if run with -Xcomp
aoqi@0:  * @compile IsInstanceTest.java
aoqi@0:  * @run shell Test6894807.sh
aoqi@0: */
aoqi@0: 
aoqi@0: public class IsInstanceTest {
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0:         BaseInterface baseInterfaceImpl = new BaseInterfaceImpl();
aoqi@0:         for (int i = 0; i < 100000; i++) {
aoqi@0:             if (isInstanceOf(baseInterfaceImpl, ExtendedInterface.class)) {
aoqi@0:                 System.out.println("Failed at index:" + i);
aoqi@0:                 System.out.println("Arch: "+System.getProperty("os.arch", "")+
aoqi@0:                                    " OS: "+System.getProperty("os.name", "")+
aoqi@0:                                    " OSV: "+System.getProperty("os.version", "")+
aoqi@0:                                    " Cores: "+Runtime.getRuntime().availableProcessors()+
aoqi@0:                                    " JVM: "+System.getProperty("java.version", "")+" "+System.getProperty("sun.arch.data.model", ""));
aoqi@0:                 break;
aoqi@0:             }
aoqi@0:         }
aoqi@0:         System.out.println("Done!");
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static boolean isInstanceOf(BaseInterface baseInterfaceImpl, Class... baseInterfaceClasses) {
aoqi@0:         for (Class baseInterfaceClass : baseInterfaceClasses) {
aoqi@0:             if (baseInterfaceClass.isInstance(baseInterfaceImpl)) {
aoqi@0:                 return true;
aoqi@0:             }
aoqi@0:         }
aoqi@0:         return false;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private interface BaseInterface {
aoqi@0:     }
aoqi@0: 
aoqi@0:     private interface ExtendedInterface extends BaseInterface {
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static class BaseInterfaceImpl implements BaseInterface {
aoqi@0:     }
aoqi@0: }