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forgotten test

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This commit is contained in:
Matthias Clasen 2011-05-27 16:08:57 -04:00
parent 39ba9c8e49
commit 5345d21150
1 changed files with 133 additions and 0 deletions
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133
glib/tests/hash.c
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@ -932,6 +932,138 @@ test_foreach (void)
g_hash_table_unref (hash);
}
struct _GHashTable
{
gint size;
gint mod;
guint mask;
gint nnodes;
gint noccupied; /* nnodes + tombstones */
gpointer *keys;
guint *hashes;
gpointer *values;
GHashFunc hash_func;
GEqualFunc key_equal_func;
volatile gint ref_count;
#ifndef G_DISABLE_ASSERT
int version;
#endif
GDestroyNotify key_destroy_func;
GDestroyNotify value_destroy_func;
};
static void
count_keys (GHashTable *h, gint *unused, gint *occupied, gint *tombstones)
{
gint i;
*unused = 0;
*occupied = 0;
*tombstones = 0;
for (i = 0; i < h->size; i++)
{
if (h->hashes[i] == 0)
(*unused)++;
else if (h->hashes[i] == 1)
(*tombstones)++;
else
(*occupied)++;
}
}
static void
check_data (GHashTable *h)
{
gint i;
for (i = 0; i < h->size; i++)
{
if (h->hashes[i] < 2)
{
g_assert (h->keys[i] == NULL);
g_assert (h->values[i] == NULL);
}
else
{
g_assert_cmpint (h->hashes[i], ==, h->hash_func (h->keys[i]));
}
}
}
static void
check_consistency (GHashTable *h)
{
gint unused;
gint occupied;
gint tombstones;
count_keys (h, &unused, &occupied, &tombstones);
g_assert_cmpint (occupied, ==, h->nnodes);
g_assert_cmpint (occupied + tombstones, ==, h->noccupied);
g_assert_cmpint (occupied + tombstones + unused, ==, h->size);
check_data (h);
}
static void
check_counts (GHashTable *h, gint occupied, gint tombstones)
{
g_assert_cmpint (occupied, ==, h->nnodes);
g_assert_cmpint (occupied + tombstones, ==, h->noccupied);
}
static void
trivial_key_destroy (gpointer key)
{
}
static void
test_internal_consistency (void)
{
GHashTable *h;
h = g_hash_table_new_full (g_str_hash, g_str_equal, trivial_key_destroy, NULL);
check_counts (h, 0, 0);
check_consistency (h);
g_hash_table_insert (h, "a", "A");
g_hash_table_insert (h, "b", "B");
g_hash_table_insert (h, "c", "C");
g_hash_table_insert (h, "d", "D");
g_hash_table_insert (h, "e", "E");
g_hash_table_insert (h, "f", "F");
check_counts (h, 6, 0);
check_consistency (h);
g_hash_table_remove (h, "a");
check_counts (h, 5, 1);
check_consistency (h);
g_hash_table_remove (h, "b");
check_counts (h, 4, 2);
check_consistency (h);
g_hash_table_insert (h, "c", "c");
check_counts (h, 4, 2);
check_consistency (h);
g_hash_table_insert (h, "a", "A");
check_counts (h, 5, 1);
check_consistency (h);
g_hash_table_remove_all (h);
check_counts (h, 0, 0);
check_consistency (h);
g_hash_table_unref (h);
}
int
main (int argc, char *argv[])
{
@ -956,6 +1088,7 @@ main (int argc, char *argv[])
/* tests for individual bugs */
g_test_add_func ("/hash/lookup-null-key", test_lookup_null_key);
g_test_add_func ("/hash/destroy-modify", test_destroy_modify);
g_test_add_func ("/hash/consistency", test_internal_consistency);
return g_test_run ();