public void HtmlGetAttachmentPageResourceTest() { var file = TestFiles.WithAttachmentMsg; var pagesCollection = GetPageCollection(file); var page = pagesCollection.Pages[0]; foreach (var resource in page.Resources) { var request = new HtmlGetAttachmentPageResourceRequest { FileName = file.FileName, AttachmentName = file.AttachmentName, PageNumber = page.Number, ResourceName = resource.Name, Folder = file.Folder, Storage = null, }; var response = ViewerApi.HtmlGetAttachmentPageResource(request); Assert.IsInstanceOf <System.IO.Stream>(response, "Expected response type is System.IO.Stream"); Assert.IsTrue(response.Length > 0); } }