With resources

If we need some resource file while testing it can be uploaded by adding $<GAUZE_RESOURCE_FILE:...> directive:

add_executable(gauze_resource main.cpp)

set(data_dir "${CMAKE_CURRENT_LIST_DIR}/data")

gauze_add_test(
    NAME gauze_resource
    COMMAND
    gauze_resource
    arg1
    arg2
    arg3
    $<GAUZE_RESOURCE_FILE:${data_dir}/input.txt>
    ${data_dir}/just_a_string.txt
    --input=$<GAUZE_RESOURCE_FILE:${data_dir}/input.txt>
)

Files specified with GAUZE_RESOURCE_FILE will be uploaded to device and path will be substituted with real path on device. Note that similar string without GAUZE_RESOURCE_FILE will be used as is:

add_executable(gauze_resource main.cpp)

set(data_dir "${CMAKE_CURRENT_LIST_DIR}/data")

gauze_add_test(
    NAME gauze_resource
    COMMAND
    gauze_resource
    arg1
    arg2
    arg3
    $<GAUZE_RESOURCE_FILE:${data_dir}/input.txt>
    ${data_dir}/just_a_string.txt
    --input=$<GAUZE_RESOURCE_FILE:${data_dir}/input.txt>
)

Read resource file:

#include <cstdlib> // EXIT_SUCCESS
#include <fstream> // std::ifstream
#include <iostream> // std::cout
#include <string> // std::getline

int gauze_main(int argc, char** argv) {
  std::cout << "argc = " << argc << std::endl;
  for (int i=0; i<argc; ++i) {
    std::cout << "argv[" << i << "] = " << argv[i] << std::endl;
  }

  if(argc < 7) {
    std::cerr << "Unexpected number of arguments: " << argc << std::endl;
    return EXIT_FAILURE;
  }

  const char* filename = argv[4];

  std::ifstream file(filename);
  std::string content;
  std::getline(file, content);

  std::cout << "Content: '" << content << "'" << std::endl;

  return EXIT_SUCCESS;
}

Running this test on Android device:

> ctest -VV -R gauze_resource
3: Command output (with exit code):
3: *** BEGIN ***
3: argc = 6
3: argv[0] = /data/local/tmp/gauze/android-ndk-r10e-api-19-armeabi-v7a-neon/bin/gauze_resource
3: argv[1] = arg1
3: argv[2] = arg2
3: argv[3] = arg3
3: argv[4] = /data/local/tmp/gauze/android-ndk-r10e-api-19-armeabi-v7a-neon/data/input.txt
3: argv[5] = /.../gauze/test/gauze/resource/data/just_a_string.txt
3: Content: 'Gauze resource file'
3: 0
3: *** END ***
3: Done
1/1 Test #3: gauze_resource ...................   Passed    1.15 sec