File: main.cpp

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enum E1 { e1 } e1_var;
enum E2 { e2 } e2_var;

// let's check enum overloading

int f(int) { return 0; }
int f(E1) { return 1; }
int f(E2) { return 2; }

int g(int) { return 0; }
int g(E1) { return 1; }

// within a bit-field

struct some_struct
{
  int i : 10;
  E1 e1 : 10;
  E2 e2 : 10;
} some_struct_var;

int main()
{
  __CPROVER_assert(f(0) == 0, "");
  __CPROVER_assert(f(e1) == 1, "");
  __CPROVER_assert(f(e2) == 2, "");
  __CPROVER_assert(f(e1_var) == 1, "");
  __CPROVER_assert(f(e2_var) == 2, "");

  __CPROVER_assert(g(0) == 0, "");
  __CPROVER_assert(g(e1) == 1, "");
  __CPROVER_assert(g(e2) == 0, "");
  __CPROVER_assert(g(e1_var) == 1, "");
  __CPROVER_assert(g(e2_var) == 0, "");

  __CPROVER_assert(f(some_struct_var.i) == 0, "");
  __CPROVER_assert(f(some_struct_var.e1) == 1, "");
  __CPROVER_assert(f(some_struct_var.e2) == 2, "");
}