#include <assert.h>  // assert

// Alternative implementation for static_assert() C++11.
template<bool T>
class StaticAssert;
template<>
class StaticAssert<true> {};
#define STATIC_ASSERT(expression) StaticAssert<(expression)>()

// Returns false to trigger a compile time assertion.
#define SOMETHING_IS_OK(x) ((x) == 123456 || (x) == 234567)

// Returns false to trigger a runtime assertion.
inline bool SomethingIsOK(int x) {
  return x == 123456 || x == 234567;
}

template<int COMPILE_TIME>
void DoNothing(int runtime) {
  STATIC_ASSERT(SOMETHING_IS_OK(COMPILE_TIME));
  assert(SomethingIsOK(runtime));
}