public void Parse_ValidRange()
{
var r = PageRange.Parse("4-6");
Assert.That(r.From, Is.EqualTo(4));
Assert.That(r.To, Is.EqualTo(6));
}
public void ParseRanges()
{
var ranges = PageRange.ParseRanges("1-2,5,10-11").ToList();
CollectionAssert.Contains(ranges, PageRange.Parse("1-2"));
CollectionAssert.Contains(ranges, PageRange.Parse("5"));
CollectionAssert.Contains(ranges, PageRange.Parse("10-11"));
}
public void Parse_Invalid()
{
var input = string.Empty;
Assert.Throws <ArgumentNullException>(() => PageRange.Parse(null !));
Assert.Throws <ArgumentException>(() => PageRange.Parse(input));
Assert.Throws <ArgumentException>(() => PageRange.Parse("-"));
Assert.Throws <FormatException>(() => PageRange.Parse("InvalidNumber-6"));
Assert.Throws <FormatException>(() => PageRange.Parse("6-InvalidNumber"));
Assert.Throws <ArgumentOutOfRangeException>(() => PageRange.Parse("6-4"));
Assert.Throws <ArgumentException>(() => PageRange.Parse("4,6"));
}
