1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/doctest/scripts/cmake/exec_test.cmake b/contrib/doctest/scripts/cmake/exec_test.cmake
new file mode 100644
index 000000000..ab51a0157
--- /dev/null
+++ b/contrib/doctest/scripts/cmake/exec_test.cmake
@@ -0,0 +1,70 @@
+# Arguments:
+# - COMMAND: the command to run with all it's arguments
+# - TEST_MODE: NORMAL/VALGRIND/COLLECT/COMPARE
+# - TEST_OUTPUT_FILE: the file to/from which to write/read the output of the test
+# - TEST_TEMP_FILE: the temp file for the current test output used in COMPARE mode
+# To run something through this script use cmake like this:
+# cmake -DCOMMAND=path/to/my.exe -arg1 -arg2 -DTEST_MODE=VALGRIND -P path/to/exec_test.cmake
+
+#message("COMMAND: ${COMMAND}")
+#message("TEST_MODE: ${TEST_MODE}")
+#message("TEST_OUTPUT_FILE: ${TEST_OUTPUT_FILE}")
+#message("TEST_TEMP_FILE: ${TEST_TEMP_FILE}")
+
+string(REPLACE " " ";" COMMAND_LIST ${COMMAND})
+set(cmd COMMAND ${COMMAND_LIST} RESULT_VARIABLE CMD_RESULT)
+if("${TEST_MODE}" STREQUAL "COLLECT")
+    list(APPEND cmd OUTPUT_FILE ${TEST_OUTPUT_FILE} ERROR_FILE ${TEST_OUTPUT_FILE})
+elseif("${TEST_MODE}" STREQUAL "COMPARE")
+    list(APPEND cmd OUTPUT_FILE ${TEST_TEMP_FILE} ERROR_FILE ${TEST_TEMP_FILE})
+endif()
+
+execute_process(${cmd})
+
+# fix line endings
+if("${TEST_MODE}" STREQUAL "COLLECT" AND NOT CMAKE_HOST_UNIX)
+    execute_process(COMMAND dos2unix ${TEST_OUTPUT_FILE})
+endif()
+
+if("${TEST_MODE}" STREQUAL "COMPARE")
+    # fix line endings
+    if(NOT CMAKE_HOST_UNIX)
+        execute_process(COMMAND dos2unix ${TEST_TEMP_FILE})
+    endif()
+
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.14.0")
+        set(IGNORE_EOL --ignore-eol)
+    endif()
+        
+    execute_process(COMMAND ${CMAKE_COMMAND} -E compare_files ${IGNORE_EOL} ${TEST_OUTPUT_FILE} ${TEST_TEMP_FILE} RESULT_VARIABLE cmp_result)
+
+    if(cmp_result)
+        find_package(Git)
+        if(GIT_FOUND)
+            set(cmd ${GIT_EXECUTABLE} diff --no-index ${TEST_OUTPUT_FILE} ${TEST_TEMP_FILE})
+            execute_process(COMMAND ${GIT_EXECUTABLE} diff --no-index ${TEST_OUTPUT_FILE} ${TEST_TEMP_FILE} OUTPUT_VARIABLE DIFF)
+            message("${DIFF}")
+        endif()
+
+        # file(READ ${TEST_OUTPUT_FILE} orig)
+        # file(READ ${TEST_TEMP_FILE} temp)
+
+        # message("==========================================================================")
+        # message("== CONTENTS OF ${TEST_OUTPUT_FILE}")
+        # message("==========================================================================")
+        # message("${orig}")
+        # message("==========================================================================")
+        # message("== CONTENTS OF ${TEST_TEMP_FILE}")
+        # message("==========================================================================")
+        # message("${temp}")
+        # message("==========================================================================")
+        # message("== CONTENTS END")
+        # message("==========================================================================")
+
+        set(CMD_RESULT "Output is different from reference file!")
+    endif()
+endif()
+
+if(CMD_RESULT)
+    message(FATAL_ERROR "Running '${COMMAND}' ended with code '${CMD_RESULT}'")
+endif()