tests/basic-types/arrays.vala

   1 void test_integer_array () {
   2         // declaration and initialization
   3         int[] a = { 42 };
   4         assert (a.length == 1);
   5         assert (a[0] == 42);
   6
   7         // assignment
   8         a = { 42, 23 };
   9         assert (a.length == 2);
  10         assert (a[0] == 42);
  11         assert (a[1] == 23);
  12
  13         // access
  14         int[] b = a;
  15         assert (b.length == 2);
  16         assert (b[0] == 42);
  17         assert (b[1] == 23);
  18
  19         // +
  20         a += 11;
  21         assert (a.length == 3);
  22         assert (a[0] == 42);
  23         assert (a[1] == 23);
  24         assert (a[2] == 11);
  25         assert (b.length == 2);
  26         assert (b[0] == 42);
  27         assert (b[1] == 23);
  28
  29         // slices
  30         int[] c = a[1:3];
  31         assert (c.length == 2);
  32         assert (c[0] == 23);
  33         assert (c[1] == 11);
  34
  35         // in expressions
  36         assert (23 in a);
  37         assert (!(-1 in a));
  38 }
  39
  40 void test_string_array () {
  41         // declaration and initialization
  42         string[] a = { "hello" };
  43         assert (a.length == 1);
  44         assert (a[0] == "hello");
  45
  46         // assignment
  47         a = { "hello", "world" };
  48         assert (a.length == 2);
  49         assert (a[0] == "hello");
  50         assert (a[1] == "world");
  51
  52         // access
  53         string[] b = a;
  54         assert (b.length == 2);
  55         assert (b[0] == "hello");
  56         assert (b[1] == "world");
  57 }
  58
  59 int[] pass_helper (int[] a, out int[] b) {
  60         b = a;
  61         return { 42, 23 };
  62 }
  63
  64 void test_array_pass () {
  65         int[] a, b;
  66         a = pass_helper ({ 42 }, out b);
  67         assert (a.length == 2);
  68         assert (a[0] == 42);
  69         assert (a[1] == 23);
  70         assert (b.length == 1);
  71         assert (b[0] == 42);
  72 }
  73
  74 void test_static_array () {
  75         int a[2];
  76         assert (a.length == 2);
  77         a[1] = 23;
  78         assert (a[1] == 23);
  79         a = { 23, 34 };
  80         assert (a[0] == 23 && a[1] == 34);
  81 }
  82
  83 void main () {
  84         test_integer_array ();
  85         test_string_array ();
  86         test_array_pass ();
  87         test_static_array ();
  88 }
  89