test/tools/javac/defaultMethods/Neg04.java

Mon, 02 Sep 2013 22:38:36 +0100

author
vromero
date
Mon, 02 Sep 2013 22:38:36 +0100
changeset 2000
4a6acc42c3a1
parent 1415
01c9d4161882
child 2020
bb7271e64ef6
permissions
-rw-r--r--

8016177: structural most specific and stuckness
Reviewed-by: jjg, vromero
Contributed-by: maurizio.cimadamore@oracle.com

     1 /*
     2  * @test /nodynamiccopyright/
     3  * @summary check that default method must have most specific return type
     4  * @compile/fail/ref=Neg04.out -XDrawDiagnostics Neg04.java
     5  */
     7 class Neg04 {
     8     interface IA1 { Integer m(); }
     9     interface IA2 extends IA1 { default Number m() { return Neg04.m(this); } } //error
    11     abstract class C implements IA1, IA2 {}
    13     static int m(IA2 a) { return 0; }
    14 }

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