public void GetParentDirectory() { try { if (!HasFolderPermission) { return; } Assert.IsNull(IoDir.GetParentDirectory(""), "GetParentDirectory, Expected null"); Assert.IsFalse(IoDir.DirectoryExists(TestFolder + "//"), "Invalid directory path"); Assert.IsTrue(IoDir.CreateDirectory(TestFolder + "//"), "Error creating directory"); Assert.IsTrue(IoDir.DirectoryExists(TestFolder + "//"), "Error creating directory"); Assert.IsNotNull(IoDir.GetParentDirectory(TestFolder + "//"), "GetParentDirectory, Expected null"); } finally { if (HasFolderPermission) { IoDir.DeleteDirectory(TestFolder + "//"); } } }