tests/objects/test-034.vala

   1 using GLib;
   2
   3 class Maman.A : Object {
   4 }
   5
   6 class Maman.B : A {
   7 }
   8
   9 class Maman.C : Object {
  10 }
  11
  12 class Maman.Bar : Object {
  13         public static void main () {
  14                 var a = new A ();
  15                 var b = new B ();
  16                 var c = new C ();
  17
  18                 stdout.printf ("init: %d %d %d\n", null != a ? 1 : 0, null != b ? 1 : 0, null != c ? 1 : 0);
  19
  20                 stdout.printf ("is A: %d %d %d\n", (a is A) ? 1 : 0, (b is A) ? 1 : 0, (c is A) ? 1 : 0);
  21                 stdout.printf ("is B: %d %d %d\n", (a is B) ? 1 : 0, (b is B) ? 1 : 0, (c is B) ? 1 : 0);
  22                 stdout.printf ("is C: %d %d %d\n", (a is C) ? 1 : 0, (b is C) ? 1 : 0, (c is C) ? 1 : 0);
  23
  24                 stdout.printf ("as A: %d %d %d\n", null != (a as A) ? 1 : 0, null != (b as A) ? 1 : 0, null != (c as A) ? 1 : 0);
  25                 stdout.printf ("as B: %d %d %d\n", null != (a as B) ? 1 : 0, null != (b as B) ? 1 : 0, null != (c as B) ? 1 : 0);
  26                 stdout.printf ("as C: %d %d %d\n", null != (a as C) ? 1 : 0, null != (b as C) ? 1 : 0, null != (c as C) ? 1 : 0);
  27         }
  28 }
  29
  30 void main () {
  31         Maman.Bar.main ();
  32 }
  33