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// Copyright (C) 2007 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include <sstream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <dlib/tuple.h>
#include "tester.h"
namespace
{
using namespace test;
using namespace dlib;
using namespace std;
logger dlog("test.tuple");
struct s_nil
{
template <typename T>
void operator() (
const T&
) const
{
}
};
struct inc
{
template <typename T>
void operator() (
T& a
) const
{
a += 1;
}
};
template <typename T>
void check_const (
const T& t
)
{
t.template get<0>();
typedef typename T::template get_type<0>::type type0;
t.template get<type0>();
t.template index<type0>();
}
template <typename T>
void check_nonconst (
T& t
)
{
t.template get<0>();
typedef typename T::template get_type<0>::type type0;
t.template get<type0>();
t.template index<type0>();
}
void tuple_test (
)
/*!
ensures
- runs tests on tuple functions for compliance with the specs
!*/
{
print_spinner();
using dlib::tuple;
tuple<> a;
tuple<int> b;
tuple<int, float> c;
a.get<1>();
a.get<2>();
a.get<3>();
a.get<4>();
a.get<5>();
check_nonconst(b);
check_nonconst(c);
check_const(b);
check_const(c);
COMPILE_TIME_ASSERT((is_same_type<tuple<>::get_type<0>::type, null_type>::value));
COMPILE_TIME_ASSERT((is_same_type<tuple<int>::get_type<0>::type, int>::value));
COMPILE_TIME_ASSERT((is_same_type<tuple<int,float>::get_type<0>::type, int>::value));
COMPILE_TIME_ASSERT((is_same_type<tuple<int,float>::get_type<1>::type, float>::value));
COMPILE_TIME_ASSERT((is_same_type<tuple<int,float>::get_type<2>::type, null_type>::value));
b.get<0>() = 8;
DLIB_TEST(b.get<int>() == 8);
DLIB_TEST(b.index<int>() == 0);
c.get<0>() = 9;
DLIB_TEST(c.get<int>() == 9);
DLIB_TEST(c.index<int>() == 0);
c.get<1>() = 3.0;
DLIB_TEST(c.get<float>() == 3.0);
DLIB_TEST(c.index<float>() == 1);
{
typedef tuple<int, short, long> T;
T a, b;
a.get<0>() = 1;
a.get<1>() = 3;
a.get<2>() = 2;
b = a;
inc i;
s_nil n;
a.for_each(inc());
a.for_each(i);
const_cast<const T&>(a).for_each(s_nil());
const_cast<const T&>(a).for_each(n);
DLIB_TEST(a.get<0>() == b.get<0>()+2);
DLIB_TEST(a.get<1>() == b.get<1>()+2);
DLIB_TEST(a.get<2>() == b.get<2>()+2);
ostringstream sout;
serialize(a,sout);
istringstream sin(sout.str());
deserialize(b,sin);
DLIB_TEST(a.get<0>() == b.get<0>());
DLIB_TEST(a.get<1>() == b.get<1>());
DLIB_TEST(a.get<2>() == b.get<2>());
a.for_index(i,0);
a.for_index(inc(),1);
const_cast<const T&>(a).for_index(n,2);
const_cast<const T&>(a).for_index(s_nil(),0);
DLIB_TEST(a.get<0>() == b.get<0>()+1);
DLIB_TEST(a.get<1>() == b.get<1>()+1);
DLIB_TEST(a.get<2>() == b.get<2>()+0);
swap(a,b);
DLIB_TEST(b.get<0>() == a.get<0>()+1);
DLIB_TEST(b.get<1>() == a.get<1>()+1);
DLIB_TEST(b.get<2>() == a.get<2>()+0);
}
}
class tuple_tester : public tester
{
public:
tuple_tester (
) :
tester ("test_tuple",
"Runs tests on the tuple object")
{}
void perform_test (
)
{
tuple_test();
}
} a;
}
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