}
public void testObjectAtAddress() {
JavaRuntime runtime=getJavaRuntime();
try {
JavaObject data = runtime.getObjectAtAddress(null);
fail("expected to receive an IllegalArgumentException");
} catch (CorruptDataException e) {
// allowed under spec but not expected for a null ptr
fail("expected to receive an IllegalArgumentException not a CorruptDataException");
} catch (DataUnavailable e) {