public void TestDouble_Cov_01()
{
var s1 = ForDouble.Related(LessThan, 3.14d);
IValueSet b = s1;
Assert.Same(s1, s1.Intersect(s1));
Assert.Same(s1, s1.Union(s1));
var s2 = ForDouble.Related(GreaterThan, 31.4d);
var s3 = b.Complement().Intersect(s2.Complement());
Assert.Equal("NaN,[3.1400000000000001..31.399999999999999]", s3.ToString());
var s4 = b.Union(s2).Complement();
Assert.Equal(s3, s4);
}
public void TestComplement_01()
{
for (int i = 0; i < 100; i++)
{
int i1 = Random.Next(int.MinValue + 1, int.MaxValue);
int i2 = Random.Next(int.MinValue, int.MaxValue);
if (i1 > i2)
{
(i1, i2) = (i2, i1);
}
if ((i1 + 1) >= i2)
{
continue;
}
IValueSet <int> values1 = ForInt.Related(LessThanOrEqual, i1).Union(ForInt.Related(GreaterThanOrEqual, i2));
Assert.Equal($"[{int.MinValue}..{i1}],[{i2}..{int.MaxValue}]", values1.ToString());
IValueSet <int> values2 = values1.Complement();
Assert.Equal(values1, values2.Complement());
Assert.Equal($"[{i1 + 1}..{i2 - 1}]", values2.ToString());
}
}
public IValueSet Subtract(IValueSet other)
{
return(this.Intersect(other.Complement()));
}