public void Compare()
{
var comparer = ComparisonComparer <DateTime> .Create((a, b) => a.Date.Month.CompareTo(b.Date.Month));
var x = new DateTime(2006, 10, 31);
var y = new DateTime(2006, 11, 1);
Assert.IsTrue(comparer.Compare(x, y) < 0);
Assert.IsTrue(comparer.Compare(y, x) > 0);
Assert.IsTrue(comparer.Compare(x, x) == 0);
Assert.ThrowsException <ArgumentNullException>(() => ComparisonComparer <string> .Create(null));
}
public void GetDirectories2()
{
string path = Path.GetTempPath();
DirectoryInfo di = new DirectoryInfo(path);
ExtendedDirectoryInfo edi = new ExtendedDirectoryInfo(path);
Assert.IsNotNull(edi);
DirectoryInfo[] actual = edi.GetDirectories("*", SearchOption.TopDirectoryOnly);
DirectoryInfo[] expected = di.GetDirectories("*", SearchOption.TopDirectoryOnly);
CollectionAssert.AreEqual(expected, actual, ComparisonComparer <DirectoryInfo> .Create((a, b) => a.FullName.CompareTo(b.FullName)));
foreach (DirectoryInfo d in actual)
{
Assert.IsTrue(Array.Exists(expected,
delegate(DirectoryInfo o)
{
return(d.FullName == o.FullName);
}));
}
}