func TestUtilityBinaryRelation(t *testing.T) {
s := set.New()
s.Add("one")
s.Add("two")
s.Add("three")
ub := NewUtilityBinaryRelationOn(s, u)
if !relation.Reflexive(ub) {
t.Errorf("Our UtilityBinaryRelation should be reflexive")
}
if !relation.Complete(ub) {
t.Errorf("Our UtilityBinaryRelation should be complete")
}
if !relation.Transitive(ub) {
t.Errorf("Our UtilityBinaryRelation should be transitive")
}
if !Rational(Preference(ub)) {
t.Errorf("Our UtilityBinaryRelation should be rational! -- von Neumann-Morgenstern")
}
}
func BenchmarkTransitive(b *testing.B) {
for n := 0; n < b.N; n++ {
if relation.Transitive(lessEqual) != true {
b.Fatalf("The less than or equal to relation should be transitive")
}
}
}