tests/objects/properties.vala

   1 using GLib;
   2
   3 public class Sample : Object {
   4         private string automatic { get; set; }
   5
   6         private string _name;
   7         public string name {
   8                 get { return _name; }
   9                 set { _name = value; }
  10         }
  11
  12         private string _read_only;
  13         public string read_only {
  14                 get { return _read_only; }
  15         }
  16
  17         public Sample (string name) {
  18                 this.name = name;
  19         }
  20
  21         construct {
  22                 _automatic = "InitialAutomatic";
  23                 _read_only = "InitialReadOnly";
  24         }
  25
  26         public void run() {
  27                 notify += (s, p) => {
  28                         stdout.printf("property `%s' has changed!\n",
  29                                       p.name);
  30                 };
  31
  32
  33                 automatic = "TheNewAutomatic";
  34                 name = "TheNewName";
  35
  36                 // The following statement would be rejected
  37                 // read_only = "TheNewReadOnly";
  38
  39                 stdout.printf("automatic: %s\n", automatic);
  40                 stdout.printf("name: %s\n", name);
  41                 stdout.printf("read_only: %s\n", read_only);
  42                 stdout.printf("automatic: %s\n", automatic);
  43         }
  44
  45         public static int main () {
  46                 var test = new Sample("InitialName");
  47
  48                 test.run();
  49
  50                 Maman.Bar.run ();
  51
  52                 stdout.printf ("Interface Properties Test: 1");
  53
  54                 Maman.Ibaz ibaz = new Maman.Baz ();
  55                 ibaz.simple_method ();
  56
  57                 stdout.printf (" 3\n");
  58
  59                 return 0;
  60         }
  61 }
  62
  63 abstract class Maman.Foo : Object {
  64         private int _public_base_property = 2;
  65         public int public_base_property {
  66                 get {
  67                         return _public_base_property;
  68                 }
  69                 set {
  70                         _public_base_property = value;
  71                 }
  72         }
  73         public abstract int abstract_base_property { get; set; }
  74 }
  75
  76 class Maman.Bar : Foo {
  77         public int public_property { get; set; default = 3; }
  78         public override int abstract_base_property { get; set; }
  79
  80         void do_action () {
  81                 stdout.printf (" %d %d", public_base_property, public_property);
  82                 public_base_property = 4;
  83                 public_property = 5;
  84                 stdout.printf (" %d %d", public_base_property, public_property);
  85         }
  86
  87         public static void run () {
  88                 stdout.printf ("Property Test: 1");
  89
  90                 var bar = new Bar ();
  91                 bar.do_action ();
  92
  93                 Foo foo = bar;
  94                 foo.abstract_base_property = 6;
  95                 stdout.printf (" %d", foo.abstract_base_property);
  96
  97                 stdout.printf (" 7\n");
  98         }
  99 }
 100
 101 interface Maman.Ibaz : Object {
 102         public abstract int number { get; }
 103
 104         public void simple_method () {
 105                 int n = number;
 106                 stdout.printf (" %d", n);
 107         }
 108 }
 109
 110 class Maman.Baz : Object, Ibaz {
 111         public int number {
 112                 get { return 2; }
 113         }
 114 }
 115
 116 void main () {
 117         Sample.main ();
 118 }
 119