Add unit tests for ECMAddTests module.

REVIEW: 123722

24 files changed, 476 insertions, 2 deletions

diff --git a/modules/ECMAddTests.cmake b/modules/ECMAddTests.cmake
index de06315d..bdb60691 100644
--- a/modules/ECMAddTests.cmake
+++ b/modules/ECMAddTests.cmake
@@ -23,9 +23,13 @@
 # give an indication of where to look for a failing test.
 #
 # If the flag GUI is passed the test binary will be a GUI executable, otherwise
-# the resulting binary will be a console application.  The test will be linked
+# the resulting binary will be a console application (regardless of the value
+# of CMAKE_WIN32_EXECUTABLE or CMAKE_MACOSX_BUNDLE).  The test will be linked
 # against the libraries and/or targets passed to LINK_LIBRARIES.
 #
+# The generated target executable will have the effects of ecm_mark_as_test()
+# (from the :module:`ECMMarkAsTest` module) applied to it.
+#
 #
 # ::
 #
@@ -52,6 +56,7 @@
 # (To distribute this file outside of extra-cmake-modules, substitute the full
 #  License text for the above reference.)
 
+include(CMakeParseArguments)
 include(ECMMarkAsTest)
 include(ECMMarkNonGuiExecutable)
 
@@ -73,7 +78,11 @@ function(ecm_add_test)
   endif()
 
   set(_testname "${ECM_ADD_TEST_NAME_PREFIX}${_targetname}")
-  add_executable(${_targetname} ${_sources})
+  set(gui_args)
+  if(ECM_ADD_TEST_GUI)
+      set(gui_args WIN32 MACOSX_BUNDLE)
+  endif()
+  add_executable(${_targetname} ${gui_args} ${_sources})
   if(NOT ECM_ADD_TEST_GUI)
     ecm_mark_nongui_executable(${_targetname})
   endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bc3e5ce8..7960154a 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -4,6 +4,7 @@
 # with other files (as ECM itself is architecture-independent).
 project(ECMTests C)
 
+add_subdirectory(ECMAddTests)
 add_subdirectory(ECMGenerateHeadersTest)
 add_subdirectory(ECMSetupVersionTest)
 add_subdirectory(ECMGeneratePkgConfigFile)
diff --git a/tests/ECMAddTests/CMakeLists.txt b/tests/ECMAddTests/CMakeLists.txt
new file mode 100644
index 00000000..e77b33f9
--- /dev/null
+++ b/tests/ECMAddTests/CMakeLists.txt
@@ -0,0 +1,49 @@
+macro(add_check NAME)
+    string(REPLACE "." "/" dir "${NAME}")
+    string(REGEX REPLACE "[^.]*\\." "" proj "${NAME}")
+    add_test(
+        NAME ecm_add_tests-${NAME}
+        COMMAND
+            ${CMAKE_CTEST_COMMAND}
+            --build-and-test
+            "${CMAKE_CURRENT_SOURCE_DIR}/${dir}"
+            "${CMAKE_CURRENT_BINARY_DIR}/${dir}"
+            --build-two-config
+            --build-generator ${CMAKE_GENERATOR}
+            --build-makeprogram ${CMAKE_MAKE_PROGRAM}
+            --build-project ${proj}
+            --build-options -DBUILD_TESTING:BOOL=ON
+            ${${NAME}_EXTRA_OPTIONS}
+            --test-command "${CMAKE_CTEST_COMMAND}"
+        )
+    add_test(
+        NAME ecm_add_tests_did_run-${NAME}
+        COMMAND "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_SOURCE_DIR}/check_files.cmake" ${ARGN}
+        WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${dir}"
+        )
+    set_property(TEST ecm_add_tests_did_run-${NAME}
+        APPEND
+        PROPERTY DEPENDS "ecm_add_tests-${NAME}"
+        )
+endmacro()
+
+add_check(single_tests
+    test1.txt
+    test2.txt
+    test3.txt
+    test4.txt
+    test5.txt
+    test6.txt
+    )
+add_check(multi_tests
+    test1.txt
+    test2.txt
+    test3.txt
+    test4.txt
+    test5.txt
+    test6.txt
+    test7.txt
+    test8.txt
+    test9.txt
+    )
+
diff --git a/tests/ECMAddTests/check_files.cmake b/tests/ECMAddTests/check_files.cmake
new file mode 100644
index 00000000..fc6003c6
--- /dev/null
+++ b/tests/ECMAddTests/check_files.cmake
@@ -0,0 +1,15 @@
+set(i 0)
+set(in_file_args FALSE)
+while (i LESS CMAKE_ARGC)
+    if (in_file_args)
+        if (NOT EXISTS "${CMAKE_ARGV${i}}")
+            message(FATAL_ERROR "${CMAKE_ARGV${i}} does not exist")
+        endif()
+    elseif (CMAKE_ARGV${i} STREQUAL "-P")
+        # skip script name
+        math(EXPR i "${i} + 1")
+        set(in_file_args TRUE)
+    endif()
+    math(EXPR i "${i} + 1")
+endwhile()
+
diff --git a/tests/ECMAddTests/multi_tests/CMakeLists.txt b/tests/ECMAddTests/multi_tests/CMakeLists.txt
new file mode 100644
index 00000000..ca434773
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/CMakeLists.txt
@@ -0,0 +1,142 @@
+project(ECMAddTests)
+cmake_minimum_required(VERSION 2.8.12)
+
+set(ECM_MODULE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../modules)
+set(CMAKE_MODULE_PATH "${ECM_MODULE_DIR}")
+
+add_library(testhelper STATIC ../testhelper.cpp)
+target_include_directories(testhelper PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/..")
+
+enable_testing()
+
+include(ECMAddTests)
+
+# clean up to avoid false-positives from check_files.cmake
+file(REMOVE
+    "${CMAKE_CURRENT_BINARY_DIR}/test1.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test2.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test3.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test4.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test5.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test6.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test7.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test8.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test9.txt"
+    )
+
+ecm_add_tests(
+    test1.cpp
+    test2.cpp
+    test3.cpp
+    LINK_LIBRARIES testhelper
+    )
+# check targets exist
+get_property(_dummy TARGET test1 PROPERTY TYPE)
+get_property(_dummy TARGET test2 PROPERTY TYPE)
+get_property(_dummy TARGET test3 PROPERTY TYPE)
+# check tests exists
+get_property(_dummy TEST test1 PROPERTY TIMEOUT)
+get_property(_dummy TEST test2 PROPERTY TIMEOUT)
+get_property(_dummy TEST test3 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test1 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test1 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test1 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test1 is an OS/X bundle when it should not be")
+endif()
+get_property(_is_win32 TARGET test2 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test2 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test2 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test2 is an OS/X bundle when it should not be")
+endif()
+
+
+ecm_add_tests(
+    test4.cpp
+    test5.cpp
+    LINK_LIBRARIES testhelper
+    NAME_PREFIX pref_
+    )
+get_property(_dummy TARGET test4 PROPERTY TYPE)
+get_property(_dummy TARGET test5 PROPERTY TYPE)
+get_property(_dummy TEST pref_test4 PROPERTY TIMEOUT)
+get_property(_dummy TEST pref_test5 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test4 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test4 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test4 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test4 is an OS/X bundle when it should not be")
+endif()
+get_property(_is_win32 TARGET test5 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test5 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test5 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test5 is an OS/X bundle when it should not be")
+endif()
+
+
+ecm_add_tests(
+    test6.cpp
+    test7.cpp
+    LINK_LIBRARIES testhelper
+    GUI
+    )
+get_property(_dummy TARGET test6 PROPERTY TYPE)
+get_property(_dummy TARGET test7 PROPERTY TYPE)
+get_property(_dummy TEST test6 PROPERTY TIMEOUT)
+get_property(_dummy TEST test7 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test6 PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "test6 is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET test6 PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "test6 is not an OS/X bundle when it should be")
+endif()
+get_property(_is_win32 TARGET test7 PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "test7 is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET test7 PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "test7 is not an OS/X bundle when it should be")
+endif()
+
+
+ecm_add_tests(
+    test8.cpp
+    test9.cpp
+    LINK_LIBRARIES testhelper
+    NAME_PREFIX p_
+    GUI
+    )
+get_property(_dummy TARGET test8 PROPERTY TYPE)
+get_property(_dummy TARGET test9 PROPERTY TYPE)
+get_property(_dummy TEST p_test8 PROPERTY TIMEOUT)
+get_property(_dummy TEST p_test9 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test8 PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "test8 is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET test8 PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "test8 is not an OS/X bundle when it should be")
+endif()
+get_property(_is_win32 TARGET test9 PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "test9 is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET test9 PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "test9 is not an OS/X bundle when it should be")
+endif()
+
diff --git a/tests/ECMAddTests/multi_tests/test1.cpp b/tests/ECMAddTests/multi_tests/test1.cpp
new file mode 100644
index 00000000..e5482865
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test1.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test1.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test2.cpp b/tests/ECMAddTests/multi_tests/test2.cpp
new file mode 100644
index 00000000..7f45bb56
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test2.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test2.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test3.cpp b/tests/ECMAddTests/multi_tests/test3.cpp
new file mode 100644
index 00000000..142b2765
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test3.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test3.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test4.cpp b/tests/ECMAddTests/multi_tests/test4.cpp
new file mode 100644
index 00000000..1ba9b148
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test4.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test4.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test5.cpp b/tests/ECMAddTests/multi_tests/test5.cpp
new file mode 100644
index 00000000..987af36b
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test5.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test5.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test6.cpp b/tests/ECMAddTests/multi_tests/test6.cpp
new file mode 100644
index 00000000..6bda9f0d
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test6.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test6.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test7.cpp b/tests/ECMAddTests/multi_tests/test7.cpp
new file mode 100644
index 00000000..069859e7
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test7.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test7.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test8.cpp b/tests/ECMAddTests/multi_tests/test8.cpp
new file mode 100644
index 00000000..ce762c8d
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test8.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test8.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/multi_tests/test9.cpp b/tests/ECMAddTests/multi_tests/test9.cpp
new file mode 100644
index 00000000..e432aeba
--- /dev/null
+++ b/tests/ECMAddTests/multi_tests/test9.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test9.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/CMakeLists.txt b/tests/ECMAddTests/single_tests/CMakeLists.txt
new file mode 100644
index 00000000..6af3857b
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/CMakeLists.txt
@@ -0,0 +1,122 @@
+project(ECMAddTests)
+cmake_minimum_required(VERSION 2.8.12)
+
+set(ECM_MODULE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../modules)
+set(CMAKE_MODULE_PATH "${ECM_MODULE_DIR}")
+
+add_library(testhelper STATIC ../testhelper.cpp)
+target_include_directories(testhelper PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/..")
+
+enable_testing()
+
+include(ECMAddTests)
+
+# clean up to avoid false-positives from check_files.cmake
+file(REMOVE
+    "${CMAKE_CURRENT_BINARY_DIR}/test1.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test2.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test3.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test4.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test5.txt"
+    "${CMAKE_CURRENT_BINARY_DIR}/test6.txt"
+    )
+
+ecm_add_test(test1.cpp
+    LINK_LIBRARIES testhelper
+    )
+# check target exists
+get_property(_dummy TARGET test1 PROPERTY TYPE)
+# check test exists
+get_property(_dummy TEST test1 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test1 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test1 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test1 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test1 is an OS/X bundle when it should not be")
+endif()
+
+
+ecm_add_test(test2.cpp
+    LINK_LIBRARIES testhelper
+    TEST_NAME named_test
+    )
+get_property(_dummy TARGET named_test PROPERTY TYPE)
+get_property(_dummy TEST named_test PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET named_test PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "named_test is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET named_test PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "named_test is an OS/X bundle when it should not be")
+endif()
+
+
+ecm_add_test(test3.cpp
+    LINK_LIBRARIES testhelper
+    NAME_PREFIX prefix_
+    )
+get_property(_dummy TARGET test3 PROPERTY TYPE)
+get_property(_dummy TEST prefix_test3 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test3 PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "test3 is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET test3 PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "test3 is an OS/X bundle when it should not be")
+endif()
+
+
+ecm_add_test(test4.cpp
+    LINK_LIBRARIES testhelper
+    GUI
+    )
+get_property(_dummy TARGET test4 PROPERTY TYPE)
+get_property(_dummy TEST test4 PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET test4 PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "test4 is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET test4 PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "test4 is not an OS/X bundle when it should be")
+endif()
+
+
+ecm_add_test(test5.cpp
+    LINK_LIBRARIES testhelper
+    TEST_NAME combined_test
+    NAME_PREFIX another_prefix_
+    GUI
+    )
+get_property(_dummy TARGET combined_test PROPERTY TYPE)
+get_property(_dummy TEST another_prefix_combined_test PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET combined_test PROPERTY WIN32_EXECUTABLE)
+if (NOT _is_win32)
+    message(FATAL_ERROR "combined_test is not a WIN32 executable when it should be")
+endif()
+get_property(_is_bundle TARGET combined_test PROPERTY MACOSX_BUNDLE)
+if (NOT _is_bundle)
+    message(FATAL_ERROR "combined_test is not an OS/X bundle when it should be")
+endif()
+
+
+ecm_add_test(test6.cpp test6body.cpp
+    LINK_LIBRARIES testhelper
+    TEST_NAME multifile_test
+    )
+get_property(_dummy TARGET multifile_test PROPERTY TYPE)
+get_property(_dummy TEST multifile_test PROPERTY TIMEOUT)
+get_property(_is_win32 TARGET multifile_test PROPERTY WIN32_EXECUTABLE)
+if (_is_win32)
+    message(FATAL_ERROR "multifile_test is a WIN32 executable when it should not be")
+endif()
+get_property(_is_bundle TARGET multifile_test PROPERTY MACOSX_BUNDLE)
+if (_is_bundle)
+    message(FATAL_ERROR "multifile_test is an OS/X bundle when it should not be")
+endif()
+
+
diff --git a/tests/ECMAddTests/single_tests/test1.cpp b/tests/ECMAddTests/single_tests/test1.cpp
new file mode 100644
index 00000000..e5482865
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test1.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test1.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test2.cpp b/tests/ECMAddTests/single_tests/test2.cpp
new file mode 100644
index 00000000..7f45bb56
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test2.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test2.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test3.cpp b/tests/ECMAddTests/single_tests/test3.cpp
new file mode 100644
index 00000000..142b2765
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test3.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test3.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test4.cpp b/tests/ECMAddTests/single_tests/test4.cpp
new file mode 100644
index 00000000..1ba9b148
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test4.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test4.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test5.cpp b/tests/ECMAddTests/single_tests/test5.cpp
new file mode 100644
index 00000000..987af36b
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test5.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+
+int main()
+{
+    make_test_file("test5.txt");
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test6.cpp b/tests/ECMAddTests/single_tests/test6.cpp
new file mode 100644
index 00000000..33cd0421
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test6.cpp
@@ -0,0 +1,8 @@
+void test_body();
+
+int main()
+{
+    test_body();
+    return 0;
+}
+
diff --git a/tests/ECMAddTests/single_tests/test6body.cpp b/tests/ECMAddTests/single_tests/test6body.cpp
new file mode 100644
index 00000000..c3332738
--- /dev/null
+++ b/tests/ECMAddTests/single_tests/test6body.cpp
@@ -0,0 +1,7 @@
+#include "testhelper.h"
+
+void test_body()
+{
+    make_test_file("test6.txt");
+}
+
diff --git a/tests/ECMAddTests/testhelper.cpp b/tests/ECMAddTests/testhelper.cpp
new file mode 100644
index 00000000..00d0ceed
--- /dev/null
+++ b/tests/ECMAddTests/testhelper.cpp
@@ -0,0 +1,8 @@
+#include "testhelper.h"
+#include <fstream>
+#include <string>
+
+void make_test_file(const char *filename)
+{
+    std::ofstream(filename) << "test" << std::endl;
+}
diff --git a/tests/ECMAddTests/testhelper.h b/tests/ECMAddTests/testhelper.h
new file mode 100644
index 00000000..9810ee41
--- /dev/null
+++ b/tests/ECMAddTests/testhelper.h
@@ -0,0 +1 @@
+void make_test_file(const char *filename);