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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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23 
24 /*
25  * @test
26  * @bug 8003280
27  * @summary Add lambda tests
28  *  check that creating an inner class from a lambda does add a captured this
29  * @run main LambdaExpr12
30  */
31 
32 public class LambdaExpr12 {
33 
34     static int assertionCount = 0;
35 
assertTrue(boolean cond)36     static void assertTrue(boolean cond) {
37         assertionCount++;
38         if (!cond)
39             throw new AssertionError();
40     }
41 
42     interface Getter<X> {
get()43         X get();
44     }
45 
46 
47     interface Mapper<X,Y> {
map(X x)48         Y map(X x);
49     }
50 
test()51     void test() {
52         Mapper<String, Getter<Character>> mapper =
53                 (final String s) -> new Getter<Character>() {
54                      @Override
55                      public Character get() {
56                          return s.charAt(0);
57                      }
58                 };
59         assertTrue(mapper.map("First").get() == 'F');
60     }
61 
main(String[] args)62     public static void main(String[] args) {
63         new LambdaExpr12().test();
64         assertTrue(assertionCount == 1);
65     }
66 }
67