Changeset 1317:b40c2bbb8da5 in lemon for test/min_cost_flow_test.cc

Timestamp:

08/19/13 22:35:54 (11 years ago)

Author:

Peter Kovacs <kpeter@…>

Branch:

default

Phase:

public

Message:

Fix division by zero error in case of empty graph (#474)

File:

• test/min_cost_flow_test.cc (modified) (1 diff)

test/min_cost_flow_test.cc

@@ -396 +396 @@
   checkMcf(mcf3, mcf3.run(param), neg2_gr, neg2_l, neg2_u, neg2_c, neg2_s,
            mcf3.OPTIMAL, true,     -300, test_str + "-18", GEQ);
+
+  // Tests for empty graph
+  Digraph gr0;
+  MCF mcf0(gr0);
+  mcf0.run(param);
+  check(mcf0.totalCost() == 0, "Wrong total cost");  
 }