tests/structs/structs.vala

   1 using GLib;
   2
   3 struct SimpleStruct {
   4         public int field;
   5 }
   6
   7 public struct PublicStruct {
   8         public int field;
   9 }
  10
  11 struct StructWithPrivateField {
  12         private int field;
  13
  14         public void test () {
  15                 field = 1;
  16                 stdout.printf ("StructWithPrivateField: field = %d\n", field);
  17         }
  18 }
  19
  20 struct StructWithCreationMethod {
  21         public StructWithCreationMethod () {
  22                 stdout.printf ("StructWithCreationMethod\n");
  23         }
  24
  25         public int field;
  26 }
  27
  28 struct StructWithNamedCreationMethod {
  29         public StructWithNamedCreationMethod.named () {
  30                 stdout.printf ("StructWithNamedCreationMethod\n");
  31         }
  32
  33         public int field;
  34 }
  35
  36 void test_in_parameter (SimpleStruct st) {
  37         stdout.printf ("test_in_parameter: st.field = %d\n", st.field);
  38 }
  39
  40 void test_in_nullable_parameter (SimpleStruct? st) {
  41         assert (st.field == 1);
  42 }
  43
  44 void test_ref_parameter (ref SimpleStruct st) {
  45         stdout.printf ("test_ref_parameter: st.field = %d\n", st.field);
  46         st.field++;
  47 }
  48
  49 void test_out_parameter (out SimpleStruct st) {
  50         st = SimpleStruct ();
  51         st.field = 3;
  52 }
  53
  54 void main () {
  55         stdout.printf ("Structs Test:\n");
  56
  57         stdout.printf ("new SimpleStruct ()\n");
  58         var simple_struct = SimpleStruct ();
  59         stdout.printf ("new PublicStruct ()\n");
  60         var public_struct = PublicStruct ();
  61         stdout.printf ("new StructWithCreationMethod ()\n");
  62         var struct_with_creation_method = StructWithCreationMethod ();
  63         stdout.printf ("new StructWithNamedCreationMethod ()\n");
  64         var struct_with_named_creation_method = StructWithNamedCreationMethod.named ();
  65
  66         stdout.printf ("new SimpleStruct () { field = 1 }\n");
  67         simple_struct = SimpleStruct () { field = 1 };
  68         stdout.printf ("simple_struct.field = %d\n", simple_struct.field);
  69
  70         test_in_parameter (simple_struct);
  71         test_in_nullable_parameter (simple_struct);
  72         test_ref_parameter (ref simple_struct);
  73         stdout.printf ("after test_ref_parameter: st.field = %d\n", simple_struct.field);
  74         test_out_parameter (out simple_struct);
  75         stdout.printf ("after test_out_parameter: st.field = %d\n", simple_struct.field);
  76
  77         var struct_with_private_field = StructWithPrivateField ();
  78         struct_with_private_field.test ();
  79
  80         stdout.printf (".\n");
  81 }
  82