8003881: Prevent lambda implementing inner classes from allowing the creation of new instances
Summary: Lambda implementing inner classes now has private constructor (thanks Kumar)
Reviewed-by: ksrini
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/*
* @test
* @bug 8003881
* @summary tests Lambda expression with a a security manager at top level
* @compile -XDignore.symbol.file LambdaAccessControlTest.java
*
* @run main/othervm LambdaAccessControlTest
*/
public class LambdaAccessControlTest extends LUtils {
public static void main(String... args) {
System.setSecurityManager(new SecurityManager());
JJ<Integer> iii = (new CC())::impl;
System.out.printf(">>> %s\n", iii.foo(44));
iii = DD::impl;
System.out.printf(">>> %s\n", iii.foo(44));
return;
}
}
/*
* support classes for the test
*/
interface II<T> { Object foo(T x); }
interface JJ<R extends Number> extends II<R> { }
class CC { String impl(int i) { return "impl:"+i; }}
class DD { static String impl(int i) { return "impl:"+i; }}