| #include <dlfcn.h> |
| #include <stdio.h> |
| |
| #include <z3.h> |
| |
| // Mock implementation: return UNDEF for the 5th invocation, otherwise it just |
| // returns the result of the real invocation. |
| Z3_lbool Z3_API Z3_solver_check(Z3_context c, Z3_solver s) { |
| static Z3_lbool (*OriginalFN)(Z3_context, Z3_solver); |
| if (!OriginalFN) { |
| OriginalFN = (Z3_lbool(*)(Z3_context, Z3_solver))dlsym(RTLD_NEXT, |
| "Z3_solver_check"); |
| } |
| |
| // Invoke the actual solver. |
| Z3_lbool Result = OriginalFN(c, s); |
| |
| // Mock the 5th invocation to return UNDEF. |
| static unsigned int Counter = 0; |
| if (++Counter == 5) { |
| fprintf(stderr, "Z3_solver_check returns a mocked value: UNDEF\n"); |
| return Z3_L_UNDEF; |
| } |
| fprintf(stderr, "Z3_solver_check returns the real value: %s\n", |
| (Result == Z3_L_UNDEF ? "UNDEF" |
| : ((Result == Z3_L_TRUE ? "TRUE" : "FALSE")))); |
| return Result; |
| } |