public void FullPathTest()
{
Assert.IsFalse(IS.FullPath(null));
Assert.IsFalse(IS.FullPath(string.Empty));
Assert.IsFalse(IS.FullPath(" "));
Assert.IsFalse(IS.FullPath(@"D:\temp\"));
Assert.IsFalse(IS.FullPath(@"D:\temp\sd"));
//разрешать такое или нет решать вам)))
//Assert.IsFalse(IS.FullPath(@"D:\temp\sd\..\me.txt"));
Assert.IsFalse(IS.FullPath(@"UDP:\temp\me.txt"));
Assert.IsFalse(IS.FullPath(@"Com:\temp\me.txt"));
Assert.IsFalse(IS.FullPath(@"C:\temp!\me.txt"));
Assert.IsFalse(IS.FullPath(@"D:\temp\aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc\ddddddddddddddddddddddddddddddddddddddddddddd\me.txt"));
Assert.IsTrue(IS.FullPath(@"D:\temp\e.dat"));
Assert.IsTrue(IS.FullPath(@"D:\temp\edd.dat", ".dat"));
Assert.IsFalse(IS.FullPath(@"D:\temp\edd.dt", ".dat"));
}