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#include "../src/graph.h"
#define DEBUG
#include "../src/debug.h"
int main(int argc, char **argv)
{
graph_iterator_t it;
cmph_uint32 i, neighbor;
graph_t *g = graph_new(5, 10);
fprintf(stderr, "Building random graph\n");
for (i = 0; i < 10; ++i)
{
cmph_uint32 v1 = i % 5;
cmph_uint32 v2 = (i*2) % 5;
if (v1 == v2) continue;
graph_add_edge(g, v1, v2);
DEBUGP("Added edge %u %u\n", v1, v2);
}
graph_print(g);
graph_del_edge(g, 4, 3);
graph_print(g);
graph_clear_edges(g);
graph_print(g);
graph_destroy(g);
fprintf(stderr, "Building cyclic graph\n");
g = graph_new(4, 5);
graph_add_edge(g, 0, 3);
graph_add_edge(g, 0, 1);
graph_add_edge(g, 1, 2);
graph_add_edge(g, 2, 0);
if (!graph_is_cyclic(g))
{
return 1;
}
graph_destroy(g);
fprintf(stderr, "Building non-cyclic graph\n");
g = graph_new(5, 4);
graph_add_edge(g, 0, 1);
graph_add_edge(g, 1, 2);
graph_add_edge(g, 2, 3);
graph_add_edge(g, 3, 4);
if (graph_is_cyclic(g))
{
return 1;
}
fprintf(stderr, "Checking neighbors iterator\n");
it = graph_neighbors_it(g, 1);
neighbor = graph_next_neighbor(g, &it);
DEBUGP("Neighbor is %u\n", neighbor);
if (neighbor != 0 && neighbor != 2) return 1;
neighbor = graph_next_neighbor(g, &it);
DEBUGP("Neighbor is %u\n", neighbor);
if (neighbor != 0 && neighbor != 2) return 1;
neighbor = graph_next_neighbor(g, &it);
DEBUGP("Neighbor is %u\n", neighbor);
if (neighbor != GRAPH_NO_NEIGHBOR) return 1;
graph_destroy(g);
return 0;
}
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