gobject/tests/value.c

   1 #define GLIB_VERSION_MIN_REQUIRED       GLIB_VERSION_2_30
   2 #include <glib-object.h>
   3
   4 static void
   5 test_value_basic (void)
   6 {
   7   GValue value = G_VALUE_INIT;
   8
   9   g_assert_false (G_IS_VALUE (&value));
  10   g_assert_false (G_VALUE_HOLDS_INT (&value));
  11   g_value_unset (&value);
  12   g_assert_false (G_IS_VALUE (&value));
  13   g_assert_false (G_VALUE_HOLDS_INT (&value));
  14
  15   g_value_init (&value, G_TYPE_INT);
  16   g_assert_true (G_IS_VALUE (&value));
  17   g_assert_true (G_VALUE_HOLDS_INT (&value));
  18   g_assert_false (G_VALUE_HOLDS_UINT (&value));
  19   g_assert_cmpint (g_value_get_int (&value), ==, 0);
  20
  21   g_value_set_int (&value, 10);
  22   g_assert_cmpint (g_value_get_int (&value), ==, 10);
  23
  24   g_value_reset (&value);
  25   g_assert_true (G_IS_VALUE (&value));
  26   g_assert_true (G_VALUE_HOLDS_INT (&value));
  27   g_assert_cmpint (g_value_get_int (&value), ==, 0);
  28
  29   g_value_unset (&value);
  30   g_assert_false (G_IS_VALUE (&value));
  31   g_assert_false (G_VALUE_HOLDS_INT (&value));
  32 }
  33
  34 static gint
  35 cmpint (gconstpointer a, gconstpointer b)
  36 {
  37   const GValue *aa = a;
  38   const GValue *bb = b;
  39
  40   return g_value_get_int (aa) - g_value_get_int (bb);
  41 }
  42
  43 static void
  44 test_valuearray_basic (void)
  45 {
  46   GValueArray *a;
  47   GValueArray *a2;
  48   GValue v = G_VALUE_INIT;
  49   GValue *p;
  50   gint i;
  51
  52   a = g_value_array_new (20);
  53
  54   g_value_init (&v, G_TYPE_INT);
  55   for (i = 0; i < 100; i++)
  56     {
  57       g_value_set_int (&v, i);
  58       g_value_array_append (a, &v);
  59     }
  60
  61   g_assert_cmpint (a->n_values, ==, 100);
  62   p = g_value_array_get_nth (a, 5);
  63   g_assert_cmpint (g_value_get_int (p), ==, 5);
  64
  65   for (i = 20; i < 100; i+= 5)
  66     g_value_array_remove (a, 100 - i);
  67
  68   for (i = 100; i < 150; i++)
  69     {
  70       g_value_set_int (&v, i);
  71       g_value_array_prepend (a, &v);
  72     }
  73
  74   g_value_array_sort (a, cmpint);
  75   for (i = 0; i < a->n_values - 1; i++)
  76     g_assert_cmpint (g_value_get_int (&a->values[i]), <=, g_value_get_int (&a->values[i+1]));
  77
  78   a2 = g_value_array_copy (a);
  79   for (i = 0; i < a->n_values; i++)
  80     g_assert_cmpint (g_value_get_int (&a->values[i]), ==, g_value_get_int (&a2->values[i]));
  81
  82   g_value_array_free (a);
  83   g_value_array_free (a2);
  84 }
  85
  86 int
  87 main (int argc, char *argv[])
  88 {
  89   g_test_init (&argc, &argv, NULL);
  90
  91   g_test_add_func ("/value/basic", test_value_basic);
  92   g_test_add_func ("/value/array/basic", test_valuearray_basic);
  93
  94   return g_test_run ();
  95 }