66   GRelation *relation;  in main()  local
71   relation = g_relation_new (2);  in main()
73   g_relation_index (relation, 0, g_int_hash, g_int_equal);  in main()
74   g_relation_index (relation, 1, g_int_hash, g_int_equal);  in main()
81       g_relation_insert (relation, data + i, data + i + 1);  in main()
82       g_relation_insert (relation, data + i, data + i - 1);  in main()
87       g_assert (! g_relation_exists (relation, data + i, data + i));  in main()
88       g_assert (! g_relation_exists (relation, data + i, data + i + 2));  in main()
89       g_assert (! g_relation_exists (relation, data + i, data + i - 2));  in main()
94       g_assert (g_relation_exists (relation, data + i, data + i + 1));  in main()
95       g_assert (g_relation_exists (relation, data + i, data + i - 1));  in main()
100       g_assert (g_relation_count (relation, data + i, 0) == 2);  in main()
101       g_assert (g_relation_count (relation, data + i, 1) == 2);  in main()
104   g_assert (g_relation_count (relation, data, 0) == 0);  in main()
106   g_assert (g_relation_count (relation, data + 42, 0) == 2);  in main()
107   g_assert (g_relation_count (relation, data + 43, 1) == 2);  in main()
108   g_assert (g_relation_count (relation, data + 41, 1) == 2);  in main()
109   g_relation_delete (relation, data + 42, 0);  in main()
110   g_assert (g_relation_count (relation, data + 42, 0) == 0);  in main()
111   g_assert (g_relation_count (relation, data + 43, 1) == 1);  in main()
112   g_assert (g_relation_count (relation, data + 41, 1) == 1);  in main()
114   tuples = g_relation_select (relation, data + 200, 0);  in main()
127   g_assert (g_relation_exists (relation, data + 300, data + 301));  in main()
128   g_relation_delete (relation, data + 300, 0);  in main()
129   g_assert (!g_relation_exists (relation, data + 300, data + 301));  in main()
133   g_relation_destroy (relation);  in main()
135   relation = NULL;  in main()