Imgur.API.Endpoints.Impl.CustomGalleryEndpoint.AddCustomGalleryTagsAsync C# (CSharp) Method

        public async Task<bool> AddCustomGalleryTagsAsync(IEnumerable<string> tags)
        {
            if (tags == null)
                throw new ArgumentNullException(nameof(tags));

            if (ApiClient.OAuth2Token == null)
                throw new ArgumentNullException(nameof(ApiClient.OAuth2Token), OAuth2RequiredExceptionMessage);

            var url = "g/custom/add_tags";

            using (var request = RequestBuilder.AddCustomGalleryTagsRequest(url, tags))
            {
                var added = await SendRequestAsync<bool?>(request).ConfigureAwait(false);
                return added ?? true;
            }
        }

        public async Task AddCustomGalleryTagsAsync_WithTagsNull_ThrowsArgumentNullException()
        {
            var client = new ImgurClient("123", "1234");
            var endpoint = new CustomGalleryEndpoint(client);

            var exception =
                await
                    Record.ExceptionAsync(
                        async () => await endpoint.AddCustomGalleryTagsAsync(null).ConfigureAwait(false))
                        .ConfigureAwait(false);
            Assert.NotNull(exception);
            Assert.IsType<ArgumentNullException>(exception);
        }