public void Predicate_Throws()
{
var predicate = new ResidualEdgePredicate <int, Edge <int> >(
new Dictionary <Edge <int>, double>());
// ReSharper disable ReturnValueOfPureMethodIsNotUsed
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => predicate.Test(null));
var edge12 = new Edge <int>(1, 2);
Assert.Throws <KeyNotFoundException>(() => predicate.Test(edge12));
// ReSharper restore ReturnValueOfPureMethodIsNotUsed
}
public void Predicate()
{
var predicate = new ResidualEdgePredicate <int, Edge <int> >(
new Dictionary <Edge <int>, double>());
var edge12 = new Edge <int>(1, 2);
var edge13 = new Edge <int>(1, 3);
var edge31 = new Edge <int>(3, 1);
predicate.ResidualCapacities.Add(edge12, -12);
predicate.ResidualCapacities.Add(edge13, 0);
predicate.ResidualCapacities.Add(edge31, 1);
Assert.IsFalse(predicate.Test(edge12));
Assert.IsFalse(predicate.Test(edge13));
Assert.IsTrue(predicate.Test(edge31));
}