1 files changed, 9 insertions, 5 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 1ed0396..c560aab 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -762,12 +762,16 @@ if(NOT EMSCRIPTEN)
 endif()
 
 # testenc
-if(NOT MSVC)
-        add_test(NAME testenc COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/testenc.sh)
-else()
-        add_test(NAME testenc COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/testenc.bat $<TARGET_FILE:openssl>)
+# testenc doesn't have an executable instead it uses openssl executable which access various files for IO.
+# adding such files to --preload-file is infeasible.
+if(NOT EMSCRIPTEN)
+        if(NOT MSVC)
+                add_test(NAME testenc COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/testenc.sh)
+        else()
+                add_test(NAME testenc COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/testenc.bat $<TARGET_FILE:openssl>)
+        endif()
+        set_tests_properties(testenc PROPERTIES ENVIRONMENT "srcdir=${TEST_SOURCE_DIR}")
 endif()
-set_tests_properties(testenc PROPERTIES ENVIRONMENT "srcdir=${TEST_SOURCE_DIR}")
 
 # testrsa
 if(NOT MSVC)