mutter-performance-source/tests/conform/interval.c

#include <clutter/clutter.h>

#include "test-conform-common.h"

void
interval_initial_state (TestConformSimpleFixture *fixture G_GNUC_UNUSED,
                        gconstpointer dummy G_GNUC_UNUSED)
{
  ClutterInterval *interval;
  int initial, final;
  const GValue *value;

  interval = clutter_interval_new (G_TYPE_INT, 0, 100);
  g_assert (CLUTTER_IS_INTERVAL (interval));
  g_assert (clutter_interval_get_value_type (interval) == G_TYPE_INT);

  clutter_interval_get_interval (interval, &initial, &final);
  g_assert_cmpint (initial, ==, 0);
  g_assert_cmpint (final, ==, 100);

  value = clutter_interval_compute (interval, 0);
  g_assert (G_VALUE_HOLDS_INT (value));
  g_assert_cmpint (g_value_get_int (value), ==, 0);

  value = clutter_interval_compute (interval, 1);
  g_assert (G_VALUE_HOLDS_INT (value));
  g_assert_cmpint (g_value_get_int (value), ==, 100);

  value = clutter_interval_compute (interval, 0.5);
  g_assert (G_VALUE_HOLDS_INT (value));
  g_assert_cmpint (g_value_get_int (value), ==, 50);

  clutter_interval_set_final (interval, 200);
  value = clutter_interval_peek_final_value (interval);
  g_assert (G_VALUE_HOLDS_INT (value));
  g_assert_cmpint (g_value_get_int (value), ==, 200);

  g_object_unref (interval);
}

void
interval_transform (TestConformSimpleFixture *fixture G_GNUC_UNUSED,
                    gconstpointer dummy G_GNUC_UNUSED)
{
  ClutterInterval *interval;
  GValue value = G_VALUE_INIT;
  const GValue *value_p = NULL;

  interval = clutter_interval_new_with_values (G_TYPE_FLOAT, NULL, NULL);

  g_value_init (&value, G_TYPE_DOUBLE);

  g_value_set_double (&value, 0.0);
  clutter_interval_set_initial_value (interval, &value);

  g_value_set_double (&value, 100.0);
  clutter_interval_set_final_value (interval, &value);

  g_value_unset (&value);

  value_p = clutter_interval_peek_initial_value (interval);
  g_assert (G_VALUE_HOLDS_FLOAT (value_p));
  g_assert_cmpfloat (g_value_get_float (value_p), ==, 0.f);

  value_p = clutter_interval_peek_final_value (interval);
  g_assert (G_VALUE_HOLDS_FLOAT (value_p));
  g_assert_cmpfloat (g_value_get_float (value_p), ==, 100.f);

  g_object_unref (interval);
}