diff --git a/Testing/Code/IO/CMakeLists.txt b/Testing/Code/IO/CMakeLists.txt
index 6d57d324ca2e591ecc78e3069d380151f0696eea..bee7b6745fe35d45c8376f2f93fd7e075428f75e 100755
--- a/Testing/Code/IO/CMakeLists.txt
+++ b/Testing/Code/IO/CMakeLists.txt
@@ -1387,6 +1387,19 @@ ADD_TEST(ioTvDEMToImageGeneratorTest ${IO_TESTS12}
         -0.002
         )
 
+#Big extend
+ADD_TEST(ioTvDEMToImageGeneratorTest2 ${IO_TESTS12}
+--compare-image ${EPSILON_9}  ${BASELINE}/ioTvDEMToImageGenerator2.tif
+                        ${TEMP}/ioTvDEMToImageGenerator2.tif
+        otbDEMToImageGeneratorTest
+         ${INPUTDATA}/DEM/srtm_directory
+         ${TEMP}/ioTvDEMToImageGenerator2.tif
+         -1.8870830 52.0135758 232 422  0.024363378967 -0.018457085039
+#          576378.080 5763132.837 232 422 2000 -2000 30 N
+# 3.765220920574784 44.224685913433
+)
+
+
 ADD_TEST(ioTvossimElevManagerTest ${IO_TESTS12}
 --compare-image ${EPSILON_9}  ${BASELINE}/ioTvossimElevManagerTest.tif
                         ${TEMP}/ioTvossimElevManagerTest.tif
@@ -1401,6 +1414,15 @@ ADD_TEST(ioTvossimElevManagerTest ${IO_TESTS12}
         500
         )
 
+ADD_TEST(ioTvossimElevManagerTest3 ${IO_TESTS12}
+--compare-image ${EPSILON_9}  ${BASELINE}/ioTvossimElevManagerTest3.tif
+                        ${TEMP}/ioTvossimElevManagerTest3.tif
+        otbOssimElevManagerTest
+         ${INPUTDATA}/DEM/srtm_directory
+         ${TEMP}/ioTvossimElevManagerTest3.tif
+        -1.8870830 52.0135758  0.024363378967 -0.018457085039 232 422
+        )
+
 ADD_TEST(ioTvossimElevManagerTest2 ${IO_TESTS12}
 --compare-ascii ${EPSILON_9}  ${BASELINE_FILES}/ioTvossimElevManagerTest2.txt
                         ${TEMP}/ioTvossimElevManagerTest2.txt
@@ -1414,7 +1436,6 @@ ADD_TEST(ioTvossimElevManagerTest2 ${IO_TESTS12}
          )
 
 
-
 # ---  otb::DEMToOrthoImageGenerator ---
 ADD_TEST(ioTuDEMToOrthoImageGeneratorNew ${IO_TESTS12}
       otbDEMToOrthoImageGeneratorNew )