CK.Core.Tests.TestHelper.CleanupTestFolder C# (CSharp) Method

        public static void CleanupTestFolder()
        {
            CleanupFolder( TestFolder );
        }

        public void WriteUniqueTimedFile_automatically_numbers_files()
        {
            TestHelper.CleanupTestFolder();

            DateTime      now     = DateTime.UtcNow;
            var           content = Encoding.UTF8.GetBytes(String.Format("Clash @{0}...", now));
            string        prefix  = Path.Combine(TestHelper.TestFolder, "Clash ");
            List <string> files   = new List <string>();

            for (int i = 0; i < 10; ++i)
            {
                files.Add(FileUtil.WriteUniqueTimedFile(prefix, String.Empty, now, content, true, 6));
            }
            Assert.That(files.Count, Is.EqualTo(10));
            Assert.That(files.All(f => f.StartsWith(prefix)));
            Assert.That(files.All(f => File.Exists(f)));
            Assert.That(files[1], Is.EqualTo(files[0] + "(1)"));
            Assert.That(files[2], Is.EqualTo(files[0] + "(2)"));
            Assert.That(files[3], Is.EqualTo(files[0] + "(3)"));
            Assert.That(files[4], Is.EqualTo(files[0] + "(4)"));
            Assert.That(files[5], Is.EqualTo(files[0] + "(5)"));
            Assert.That(files[6], Is.EqualTo(files[0] + "(6)"));
            for (int i = 7; i < 10; ++i)
            {
                Assert.That(files[i].Length, Is.EqualTo(files[0].Length + 1 + 22), "Ends with Url compliant Base64 GUID.");
            }
            Assert.That(files.SequenceEqual(files.Distinct()));
        }