1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 8003280

     4  * @summary Add lambda tests

     5  *   This test is for identifying a non-SAM type: Having overloaded methods due to inheritance

     6  * @compile/fail/ref=NonSAM3.out -XDrawDiagnostics NonSAM3.java Helper.java

     7  */

     8 

     9 import java.util.Collection;

    10 import java.util.List;

    11 

    12 public class NonSAM3 {

    13     void method() {

    14         //all of the following will have compile error: "the target type of a lambda conversion has multiple non-overriding abstract methods"

    15         FooBar fb = (Number n) -> 100;

    16         FooBar fb2 = (Integer i) -> 100;

    17         DE de = (List<Integer> list) -> 100;

    18         DE de2 = (List<?> list) -> 100;

    19         DE de3 = (List list) -> 100;

    20         DE de4 = (Collection<Integer> collection) -> 100;

    21         DE de5 = (Collection<?> collection) -> 100;

    22         DE de6 = (Collection collection) -> 100;

    23     }

    24 }