glib/gobject/tests/value.c

#define GLIB_VERSION_MIN_REQUIRED       GLIB_VERSION_2_30
#include <glib-object.h>

static void
test_value_basic (void)
{
  GValue value = G_VALUE_INIT;

  g_assert_false (G_IS_VALUE (&value));
  g_assert_false (G_VALUE_HOLDS_INT (&value));
  g_value_unset (&value);
  g_assert_false (G_IS_VALUE (&value));
  g_assert_false (G_VALUE_HOLDS_INT (&value));

  g_value_init (&value, G_TYPE_INT);
  g_assert_true (G_IS_VALUE (&value));
  g_assert_true (G_VALUE_HOLDS_INT (&value));
  g_assert_false (G_VALUE_HOLDS_UINT (&value));
  g_assert_cmpint (g_value_get_int (&value), ==, 0);

  g_value_set_int (&value, 10);
  g_assert_cmpint (g_value_get_int (&value), ==, 10);

  g_value_reset (&value);
  g_assert_true (G_IS_VALUE (&value));
  g_assert_true (G_VALUE_HOLDS_INT (&value));
  g_assert_cmpint (g_value_get_int (&value), ==, 0);

  g_value_unset (&value);
  g_assert_false (G_IS_VALUE (&value));
  g_assert_false (G_VALUE_HOLDS_INT (&value));
}

static gint
cmpint (gconstpointer a, gconstpointer b)
{
  const GValue *aa = a;
  const GValue *bb = b;

  return g_value_get_int (aa) - g_value_get_int (bb);
}

static void
test_valuearray_basic (void)
{
  GValueArray *a;
  GValueArray *a2;
  GValue v = G_VALUE_INIT;
  GValue *p;
  gint i;

  a = g_value_array_new (20);

  g_value_init (&v, G_TYPE_INT);
  for (i = 0; i < 100; i++)
    {
      g_value_set_int (&v, i);
      g_value_array_append (a, &v);
    }

  g_assert_cmpint (a->n_values, ==, 100);
  p = g_value_array_get_nth (a, 5);
  g_assert_cmpint (g_value_get_int (p), ==, 5);

  for (i = 20; i < 100; i+= 5)
    g_value_array_remove (a, 100 - i);

  for (i = 100; i < 150; i++)
    {
      g_value_set_int (&v, i);
      g_value_array_prepend (a, &v);
    }

  g_value_array_sort (a, cmpint);
  for (i = 0; i < a->n_values - 1; i++)
    g_assert_cmpint (g_value_get_int (&a->values[i]), <=, g_value_get_int (&a->values[i+1]));

  a2 = g_value_array_copy (a);
  for (i = 0; i < a->n_values; i++)
    g_assert_cmpint (g_value_get_int (&a->values[i]), ==, g_value_get_int (&a2->values[i]));

  g_value_array_free (a);
  g_value_array_free (a2);
}

int
main (int argc, char *argv[])
{
  g_test_init (&argc, &argv, NULL);

  g_test_add_func ("/value/basic", test_value_basic);
  g_test_add_func ("/value/array/basic", test_valuearray_basic);

  return g_test_run ();
}