obftest.cpp

/*

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/

#include "../../kscope/test/lest.hpp"
#include "../src/obf.h"

#ifdef ITHARE_OBF_TEST_NO_NAMESPACE
using namespace ithare::obf;
using namespace ithare::obf::tls;
#else
#define ITOBF ithare::obf::
#endif

class MyException {
public:
	MyException(std::string msg)
		: message(msg) {
	}
	virtual const char* what() const {
		return message.c_str();
	}

private:
	std::string message;
};

ITHARE_OBF_NOINLINE OBFI6(uint64_t) factorial(OBFI6(int64_t) x) {
	//DBGPRINT(x)
	if (x < 0)
		throw MyException(OBFS5L("Negative argument to factorial!"));
	OBFI3(int64_t) ret = 1;
	//DBGPRINT(ret)
	for (OBFI3(int64_t) i = 1; i <= x; ++i) {
		//DBGPRINT(i);
		ret *= i;
	}
	return ret;
}

#define NBENCH 1000

#ifdef __GNUC__ //warnings in lest.hpp - can only disable :-(
#pragma GCC diagnostic push
#ifdef __clang__
#pragma GCC diagnostic ignored "-Wmissing-braces"
#endif
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

#ifdef _MSC_VER //warnings in lest.hpp - can only disable :-(
#pragma warning(push)
#pragma warning(disable:4100)
#endif

const lest::test module[] = {
	CASE("obf::factorial()",) {
		auto f = factorial(17); ITHARE_OBF_DBGPRINT(f);
		EXPECT(f==UINT64_C(355687428096000));
		EXPECT( factorial(18) == UINT64_C(6402373705728000));
		EXPECT( factorial(19) == UINT64_C(121645100408832000));
		EXPECT( factorial(20) == UINT64_C(2432902008176640000));
		EXPECT( factorial(21) == UINT64_C(14197454024290336768));//with wrap-around(!)
	},
};

/* TODO - a test case out of it
int main(int argc, char** argv) {
	//...

	ITOBF obf_init();
	{
		ITOBF ObfNonBlockingCode obf_nb_guard;	
		int err = lest::run(spec,argc,argv);
		if(err)
			return err;
	}//~ObfNonBlockingCode() is called here 
	return lest::run(spec,argc,argv);//running once again, but with a chance for ~ObfNonBlockingCode() to kick in
}*/

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif


extern lest::tests& specification();

MODULE( specification(), module )