public void RangeReversal()
{
var subject = new QRange(6, -2, 2);
var expected = new QRange(2, 2, 6);
Assert.Equal(expected, subject.Reverse());
subject = new QRange(1, 1, 0);
expected = new QRange(0, -1, 1);
Assert.Equal(expected, subject.Reverse());
subject = new QRange(1, 2, 2);
expected = new QRange(1, -2, 1);
Assert.Equal(expected, subject.Reverse());
}
public void EmptyRangeSamples()
{
var subject = new QRange(2, 2, 1);
Assert.Empty(subject);
Assert.Empty(subject.Reverse());
subject = new QRange(2, 1);
Assert.Empty(subject);
Assert.Empty(subject.Reverse());
subject = new QRange(1, -1, 2);
Assert.Empty(subject);
Assert.Empty(subject.Reverse());
subject = new QRange(1, 2, 0);
Assert.Empty(subject);
Assert.Empty(subject.Reverse());
}