ObjectExists() public method

public ObjectExists ( Uri uri ) : bool
uri System.Uri
return bool
 public void Should_Check_That_File_Not_Exists()
 {
     FileSystemStorageService storageService = new FileSystemStorageService();
     string filePath = Path.Combine(@"C:\", "temp", Guid.NewGuid().ToString().Replace("-", string.Empty) + ".test");
     Uri fileUri = new Uri(filePath);
     storageService.ObjectExists(fileUri);
 }
        public void Should_Throw_StorageException_If_Given_Uri_Is_Not_Of_File_Scheme()
        {
            Uri httpUri = new Uri("http://www.google.com");
            FileSystemStorageService storageService = new FileSystemStorageService();

            var ex1 = Assert.Throws<StorageException>(() => storageService.ObjectExists(httpUri));
            var ex2 = Assert.Throws<StorageException>(() => storageService.CopyObject(httpUri, httpUri));
            var ex3 = Assert.Throws<StorageException>(() => storageService.DownloadObject(httpUri));
            var ex4 = Assert.Throws<StorageException>(() => storageService.UploadObject(new UploadRequest { Uri = httpUri }));

            Assert.IsTrue(ex1.Message.StartsWith("An Uri scheme") && ex1.Message.Contains("can't be processed with a"));
            Assert.IsTrue(ex2.Message.StartsWith("An Uri scheme") && ex1.Message.Contains("can't be processed with a"));
            Assert.IsTrue(ex3.Message.StartsWith("An Uri scheme") && ex1.Message.Contains("can't be processed with a"));
            Assert.IsTrue(ex4.Message.StartsWith("An Uri scheme") && ex1.Message.Contains("can't be processed with a"));
        }