1 /*
2    IGraph library.
3    Copyright (C) 2021  The igraph development team <igraph@igraph.org>
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <https://www.gnu.org/licenses/>.
17 */
18 
19 #include <igraph.h>
20 #include "test_utilities.inc"
21 
main()22 int main() {
23     igraph_t g;
24     igraph_matrix_t pref_empty, pref_bipartite, pref_line;
25     igraph_vector_t types_empty, types_bipartite, types_line;
26     igraph_bool_t bipartite;
27     int bipartite_elem[] = {0, 1, 1, 0};
28     int line_elem[] = {0, 0, 1, 0, 0,
29                        1, 0, 0, 0, 0,
30                        0, 1, 0, 0, 0,
31                        0, 0, 1, 0, 0,
32                        0, 0, 0, 1, 0,
33     };
34 
35     igraph_rng_seed(igraph_rng_default(), 42);
36 
37     igraph_matrix_init(&pref_empty, 0, 0);
38     igraph_vector_init(&types_empty, 0);
39 
40     matrix_init_int_row_major(&pref_bipartite, 2, 2, bipartite_elem);
41     igraph_vector_init_int(&types_bipartite, 10, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0);
42 
43     matrix_init_int_row_major(&pref_line, 5, 5, line_elem);
44     igraph_vector_init_int(&types_line, 5, 0, 1, 2, 3, 4);
45 
46     printf("No nodes.\n");
47     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 0, &types_empty, &pref_empty, /*edges_per_step*/ 5, /*directed*/ 0) == IGRAPH_SUCCESS);
48     IGRAPH_ASSERT(igraph_vcount(&g) == 0);
49     igraph_destroy(&g);
50 
51     printf("Bipartite graph.\n");
52     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 10, &types_bipartite, &pref_bipartite, /*edges_per_step*/ 5, /*directed*/ 0) == IGRAPH_SUCCESS);
53     igraph_is_bipartite(&g, &bipartite, NULL);
54     IGRAPH_ASSERT(bipartite);
55     IGRAPH_ASSERT(igraph_vcount(&g) == 10);
56     IGRAPH_ASSERT(igraph_ecount(&g) == 45);
57     igraph_destroy(&g);
58 
59     printf("No edges.\n");
60     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 10, &types_bipartite, &pref_bipartite, /*edges_per_step*/ 0, /*directed*/ 0) == IGRAPH_SUCCESS);
61     IGRAPH_ASSERT(igraph_vcount(&g) == 10);
62     IGRAPH_ASSERT(igraph_ecount(&g) == 0);
63     igraph_destroy(&g);
64 
65     printf("A line.\n");
66     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 5, &types_line, &pref_line, /*edges_per_step*/ 1, /*directed*/ 1) == IGRAPH_SUCCESS);
67     print_graph_canon(&g);
68     igraph_destroy(&g);
69 
70     VERIFY_FINALLY_STACK();
71     igraph_set_error_handler(igraph_error_handler_ignore);
72 
73     printf("Too few types for nodes.\n");
74     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 5, &types_empty, &pref_empty, /*edges_per_step*/ 1, /*directed*/ 1) == IGRAPH_EINVAL);
75 
76     printf("Too few prefs.\n");
77     IGRAPH_ASSERT(igraph_citing_cited_type_game(&g, /*nodes*/ 5, &types_line, &pref_empty, /*edges_per_step*/ 1, /*directed*/ 1) == IGRAPH_EINVAL);
78 
79     igraph_matrix_destroy(&pref_empty);
80     igraph_vector_destroy(&types_empty);
81     igraph_matrix_destroy(&pref_bipartite);
82     igraph_vector_destroy(&types_bipartite);
83     igraph_matrix_destroy(&pref_line);
84     igraph_vector_destroy(&types_line);
85     VERIFY_FINALLY_STACK();
86     return 0;
87 }
88