Add whitebox tests

Previously we had NDEBUG set for all testing (except libfuzzer)

CMakeLists.txt

@@ -215,6 +215,16 @@ if(BUILD_TESTING)
       PROPERTIES ENVIRONMENT ${LD_PATH}=${CMAKE_BINARY_DIR}/fdb-${PROJECT_NAME})
   endforeach()
 
+  # whitebox tests
+  add_executable(whitebox_driver TestDriver.cpp FacadeFuzz.cpp ${SOURCES})
+  target_compile_options(whitebox_driver PRIVATE ${TEST_FLAGS})
+  target_include_directories(whitebox_driver
+                             PRIVATE ${CMAKE_SOURCE_DIR}/include)
+  foreach(TEST ${CORPUS_TESTS})
+    get_filename_component(hash ${TEST} NAME)
+    add_test(NAME whitebox_${hash} COMMAND whitebox_driver ${TEST})
+  endforeach()
+
   add_executable(bench Bench.cpp)
   target_link_libraries(bench PRIVATE ${PROJECT_NAME} nanobench)
   set_target_properties(bench PROPERTIES SKIP_BUILD_RPATH ON)