Question

I have a unit test project based on UnitTest++. I usually put a breakpoint to the last line of the code so that the I can inspect the console when one of the tests fails:

  n = UnitTest::RunAllTests();
  if ( n != 0 )
  {
  // place breakpoint here    
    return n;
  }
  return n;

But I have to reinsert it each time I check-out the code anew from SVN. Is it possible to
somewhat place the breakpoint by the compiler?:

      n = UnitTest::RunAllTests();
      if ( n != 0 )
      {
      // place breakpoint here    
#ifdef __MSVC__
        @!!!$$$??___BREAKPOINT;
#endif
        return n;
      }
      return n;

Answer 1

Use the __debugbreak() intrinsic(requires the inclusion of <intrin.h>).

Using __debugbreak() is preferable to directly writing __asm { int 3 } since inline assembly is not permitted when compiling code for the x64 architecture.

And for the record, on Linux and Mac, with GCC, I’m using __builtin_trap().