Add test for issue #676

This concerns using DigraphAllSimpleCircuits with digraphs with non-standard vertex labels.
digraphs · Sep 2, 2024 · 1a59c6e · 1a59c6e
1 parent 52ccbbb
commit 1a59c6e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tst/standard/attr.tst b/tst/standard/attr.tst
@@ -998,6 +998,12 @@ gap> DigraphAllChordlessCycles(D);
   [ 1, 4, 8, 7, 6, 2 ], [ 1, 4, 3, 2 ], [ 1, 4, 3, 7, 6, 5 ], [ 3, 2, 6, 7 ], 
   [ 2, 1, 5, 6 ], [ 2, 1, 5, 8, 7, 3 ] ]
 
+#  Issue #676
+gap> D := Digraph([[], [3], []]);;
+gap> SetDigraphVertexLabels(D, ["one", "two", "three"]);
+gap> DigraphAllSimpleCircuits(D);
+[  ]
+
 #  DigraphLongestSimpleCircuit
 gap> gr := Digraph([]);;
 gap> DigraphLongestSimpleCircuit(gr);