text: //
  // essentutils tests
  // Main entry point.
  //
  // Jun-2019, Michael Lindner
  // MIT license
  //
  #include "angle_tests.h"
  #include "color_tests.h"
  #include "filesys_tests.h"
  #include "fputil_tests.h"
  #include "math_util_tests.h"
  #include "observed_tests.h"
  #include "rand_util_tests.h"
  #include "string_util_tests.h"
  #include "time_util_tests.h"
  #include "type_traits_util_tests.h"
  #include <cstdlib>
  #include <iostream>
  
  
  int main()
  {
     testAngle();
     testColor();
     testFilesys();
     testFpUtil();
     testMathUtil();
     testObserved();
     testRandUtil();
     testStringUtil();
     testTimeUtil();
     testTypeTraitsUtil();
  
     std::cout << "essentutils tests finished.\n";
     return EXIT_SUCCESS;
  }
  