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#include <cutter.h>
#include <glib.h>
void test_atomic (void);
/* Obviously we can't test that the operations are atomic, but we can
* at least test, that they do, what they ought to do */
void
test_atomic (void)
{
gint i;
gint atomic = -5;
gpointer atomic_pointer = NULL;
gpointer biggest_pointer = (gpointer)((gsize)atomic_pointer - 1);
for (i = 0; i < 15; i++)
g_atomic_int_inc (&atomic);
cut_assert_equal_int (10, atomic);
for (i = 0; i < 9; i++)
cut_assert (!g_atomic_int_dec_and_test (&atomic));
cut_assert (g_atomic_int_dec_and_test (&atomic));
cut_assert_equal_int (0, atomic);
cut_assert_equal_int (0, g_atomic_int_exchange_and_add (&atomic, 5));
cut_assert_equal_int (5, atomic);
cut_assert_equal_int (5, g_atomic_int_exchange_and_add (&atomic, -10));
cut_assert_equal_int (-5, atomic);
g_atomic_int_add (&atomic, 20);
cut_assert_equal_int (15, atomic);
g_atomic_int_add (&atomic, -35);
cut_assert_equal_int (-20, atomic);
cut_assert_equal_int (atomic, g_atomic_int_get (&atomic));
cut_assert (g_atomic_int_compare_and_exchange (&atomic, -20, 20));
cut_assert_equal_int (20, atomic);
cut_assert (!g_atomic_int_compare_and_exchange (&atomic, 42, 12));
cut_assert_equal_int (20, atomic);
cut_assert (g_atomic_int_compare_and_exchange (&atomic, 20, G_MAXINT));
cut_assert_equal_int (G_MAXINT, atomic);
cut_assert (g_atomic_int_compare_and_exchange (&atomic, G_MAXINT, G_MININT));
cut_assert_equal_int (G_MININT, atomic);
cut_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
NULL, biggest_pointer));
cut_assert_equal_pointer (biggest_pointer, atomic_pointer);
cut_assert_equal_pointer (atomic_pointer, g_atomic_pointer_get (&atomic_pointer));
cut_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
biggest_pointer, NULL));
cut_assert (biggest_pointer);
}
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