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