Fix container range bug (#34725) (#34732)

Backport #34725 by wxiaoguang

Fix #34724

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

tests/integration/api_packages_container_test.go

@@ -311,7 +311,7 @@ func TestPackageContainer(t *testing.T) {
 				resp = MakeRequest(t, req, http.StatusNoContent)
 
 				assert.Equal(t, uuid, resp.Header().Get("Docker-Upload-Uuid"))
-				assert.Equal(t, fmt.Sprintf("0-%d", len(blobContent)), resp.Header().Get("Range"))
+				assert.Equal(t, contentRange, resp.Header().Get("Range"))
 
 				pbu, err = packages_model.GetBlobUploadByID(db.DefaultContext, uuid)
 				assert.NoError(t, err)
@@ -342,7 +342,8 @@ func TestPackageContainer(t *testing.T) {
 					resp = MakeRequest(t, req, http.StatusNoContent)
 
 					assert.Equal(t, uuid, resp.Header().Get("Docker-Upload-Uuid"))
-					assert.Equal(t, "0-0", resp.Header().Get("Range"))
+					// FIXME: undefined behavior when the uploaded content is empty: https://github.com/opencontainers/distribution-spec/issues/578
+					assert.Nil(t, resp.Header().Values("Range"))
 
 					req = NewRequest(t, "DELETE", setting.AppURL+uploadURL[1:]).
 						AddTokenAuth(userToken)