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