sustaining_gazes/lib/3rdParty/dlib/include/dlib/test/any.cpp
2016-04-28 15:40:36 -04:00

139 lines
2.8 KiB
C++

// Copyright (C) 2010 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include <dlib/any.h>
#include <sstream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <vector>
#include "../rand.h"
#include "tester.h"
namespace
{
using namespace test;
using namespace dlib;
using namespace std;
logger dlog("test.any");
// ----------------------------------------------------------------------------------------
void test_contains_4(
const any a
)
{
DLIB_TEST(a.is_empty() == false);
DLIB_TEST(a.contains<int>() == true);
DLIB_TEST(a.contains<double>() == false);
DLIB_TEST(any_cast<int>(a) == 4);
}
// ----------------------------------------------------------------------------------------
void run_test()
{
any a, b, c;
DLIB_TEST(a.is_empty());
DLIB_TEST(a.contains<int>() == false);
DLIB_TEST(a.contains<string>() == false);
DLIB_TEST(a.is_empty());
a = b;
swap(a,b);
a.swap(b);
a = 4;
DLIB_TEST(a.is_empty() == false);
DLIB_TEST(a.contains<int>() == true);
DLIB_TEST(a.contains<double>() == false);
DLIB_TEST(any_cast<int>(a) == 4);
test_contains_4(a);
DLIB_TEST(a.is_empty() == false);
DLIB_TEST(a.contains<int>() == true);
DLIB_TEST(a.contains<double>() == false);
DLIB_TEST(any_cast<int>(a) == 4);
bool error = false;
try
{
any_cast<double>(a);
}
catch (bad_any_cast&)
{
error = true;
}
DLIB_TEST(error);
swap(a,b);
test_contains_4(b);
DLIB_TEST(a.is_empty());
a = b;
test_contains_4(a);
c.get<string>() = "test string";
DLIB_TEST(c.get<string>() == "test string");
a = c;
DLIB_TEST(a.cast_to<string>() == "test string");
a.clear();
DLIB_TEST(a.is_empty());
error = false;
try
{
any_cast<string>(a);
}
catch (bad_any_cast&)
{
error = true;
}
DLIB_TEST(error);
a = 1;
b = 2;
int* a_ptr = &a.get<int>();
int* b_ptr = &b.get<int>();
swap(a,b);
DLIB_TEST(a_ptr == &b.get<int>());
DLIB_TEST(b_ptr == &a.get<int>());
}
// ----------------------------------------------------------------------------------------
class any_tester : public tester
{
public:
any_tester (
) :
tester ("test_any",
"Runs tests on the any component.")
{}
void perform_test (
)
{
run_test();
}
} a;
}