test/tools/javac/defaultMethods/Neg05.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 abstract methods are compatible with inherited defaults
     4  * @compile/fail/ref=Neg05.out -XDrawDiagnostics Neg05.java
     5  */
     7 class Neg05 {
     8     interface IA1 { default Number m() { return Neg05.m1(this); } }
     9     interface IA2 extends IA1 { default Integer m() { return Neg05.m2(this); } }
    10     interface IA3 extends IA2 { Number m(); } //error
    12     static class C implements IA3{}
    14     static int m1(IA1 a) { return 0; }
    15     static int m2(IA2 b) { return 0; }
    16 }

mercurial