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23 
24 /*
25  * @test
26  * @bug 8005653
27  * @summary A serialized lambda containing an inner class referencing an external type var
28  * @author  Robert Field
29  * @run main LambdaInnerTypeVarSerialize
30  */
31 
32 import java.io.Serializable;
33 
34 public class LambdaInnerTypeVarSerialize {
35 
36     static int assertionCount = 0;
37 
assertTrue(boolean cond)38     static void assertTrue(boolean cond) {
39         assertionCount++;
40         if (!cond)
41             throw new AssertionError();
42     }
43 
44     interface I extends Serializable {
doit()45         C doit();
46     }
47 
48     abstract class C {
it()49         abstract Object it();
50     }
51 
52     class TV {
go()53         C go() {
54             return foo("Frump").doit();
55         }
56 
foo(RRRRR r)57         <RRRRR> I foo(RRRRR r) {
58             return () -> new C() {
59                 RRRRR xxxxx = r;
60                 @Override
61                     Object it() { return xxxxx; };
62             };
63         }
64     }
65 
test1()66     void test1() {
67         assertTrue(new TV().go().it().equals("Frump"));
68     }
69 
main(String[] args)70     public static void main(String[] args) {
71         LambdaInnerTypeVarSerialize t = new LambdaInnerTypeVarSerialize();
72         t.test1();
73         assertTrue(assertionCount == 1);
74     }
75 }
76