Add unit tests

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/Mvc/ContentFormatters/RemoteStreamContentTestController.cs

@@ -30,6 +30,16 @@ public class RemoteStreamContentTestController : AbpController
         Response.Headers.Add("Content-Disposition", "attachment; filename=myDownload.rtf");
         return new RemoteStreamContent(memoryStream, "download.rtf", "application/rtf");
     }
+    
+    [HttpGet]
+    [Route("Download_With_Chinese_File_Name")]
+    public async Task<IRemoteStreamContent> Download_With_Chinese_File_Name_Async()
+    {
+        var memoryStream = new MemoryStream();
+        await memoryStream.WriteAsync(Encoding.UTF8.GetBytes("DownloadAsync"));
+        memoryStream.Position = 0;
+        return new RemoteStreamContent(memoryStream, "下载文件.rtf", "application/rtf");
+    }
 
     [HttpPost]
     [Route("Upload")]

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/Mvc/ContentFormatters/RemoteStreamContentTestController_Tests.cs

@@ -3,6 +3,7 @@ using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Text;
 using System.Threading.Tasks;
+using System.Web;
 using Shouldly;
 using Xunit;
 
@@ -20,7 +21,7 @@ public class RemoteStreamContentTestController_Tests : AspNetCoreMvcTestBase
         (await result.Content.ReadAsStringAsync()).ShouldBe("DownloadAsync");
     }
     
-     [Fact]
+    [Fact]
     public async Task Download_With_Custom_Content_Disposition_Async()
     {
         var result = await GetResponseAsync("/api/remote-stream-content-test/download-with-custom-content-disposition");
@@ -29,6 +30,16 @@ public class RemoteStreamContentTestController_Tests : AspNetCoreMvcTestBase
         result.Content.Headers.ContentLength.ShouldBe("DownloadAsync".Length);
         (await result.Content.ReadAsStringAsync()).ShouldBe("DownloadAsync");
     }
+    
+    [Fact]
+    public async Task Download_With_Chinese_File_Name_Async()
+    {
+        var result = await GetResponseAsync("/api/remote-stream-content-test/download_with_chinese_file_name");
+        result.Content.Headers.ContentType?.ToString().ShouldBe("application/rtf");
+        result.Content.Headers.ContentDisposition?.FileNameStar.ShouldBe("下载文件.rtf");
+        result.Content.Headers.ContentLength.ShouldBe("DownloadAsync".Length);
+        (await result.Content.ReadAsStringAsync()).ShouldBe("DownloadAsync");
+    }
 
     [Fact]
     public async Task UploadAsync()