public void ReturnsMinimum()
{
using var strings = SampleData.Strings.AsTestingSequence();
var minima = MoreEnumerable.First(strings.MinBy(s => s.Length));
Assert.That(minima, Is.EqualTo("ax"));
}
public void WithComparerReturnsMinimum()
{
using var strings = SampleData.Strings.AsTestingSequence();
var minima = strings.MinBy(s => s.Length, Comparable <int> .DescendingOrderComparer);
Assert.That(MoreEnumerable.First(minima), Is.EqualTo("hello"));
}
public void ReturnsMaximum()
{
using var strings = SampleData.Strings.AsTestingSequence();
var maxima = strings.MaxBy(s => s.Length);
Assert.That(MoreEnumerable.First(maxima), Is.EqualTo("hello"));
}
public void WithEmptySourceWithComparerThrows()
{
using var strings = Enumerable.Empty <string>().AsTestingSequence();
Assert.Throws <InvalidOperationException>(() =>
MoreEnumerable.First(strings.MinBy(s => s.Length, Comparable <int> .DescendingOrderComparer)));
}
public void WithEmptySourceThrows()
{
using var strings = Enumerable.Empty <string>().AsTestingSequence();
Assert.Throws <InvalidOperationException>(() =>
MoreEnumerable.First(strings.MinBy(s => s.Length)));
}