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// Copyright (C) 2004 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/sequence.h>
#include "tester.h"
namespace
{
using namespace test;
using namespace std;
using namespace dlib;
logger dlog("test.sequence");
template <
typename seq
>
void sequence_sort_test (
)
/*!
requires
- seq is an implementation of sequence/sequence_sort_aseqract.h is instantiated
with int
ensures
- runs tests on seq for compliance with the specs
!*/
{
srand(static_cast<unsigned int>(time(0)));
print_spinner();
{
// this test is to make sure that jumping around via
// operator[] doesn't corrupt the object
seq a;
for (int i = 0; i < 100; ++i)
{
int x = i;
a.add(a.size(),x);
}
int x = 0;
for (int i = 0; i < (int)a.size(); ++i)
{
DLIB_TEST_MSG(a[i] >= i,"1");
// cout << a[i] << endl;
}
for (unsigned long i = 0; i < a.size(); ++i)
{
for (unsigned long j = i+1; j < a.size(); ++j)
{
if ((a[j]+a[i])%3 ==0)
{
a.remove(j,x);
--j;
}
}
}
//cout << endl;
for (int i = 0; i < (int)a.size(); ++i)
{
// cout << a[i] << endl;
DLIB_TEST_MSG(a[i] >= i,"2");
}
}
seq test, test2;
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
enumerable<int>& e = test;
DLIB_TEST(e.at_start() == true);
DLIB_TEST(e.current_element_valid() == false);
for (int g = 0; g < 5; ++g)
{
test.clear();
test2.clear();
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST(e.at_start() == true);
DLIB_TEST(e.current_element_valid() == false);
DLIB_TEST(e.move_next() == false);
DLIB_TEST(e.current_element_valid() == false);
DLIB_TEST(e.at_start() == false);
DLIB_TEST(test.at_start() == false);
swap(test,test2);
DLIB_TEST(test.at_start() == true);
test.clear();
test2.clear();
int a;
for (int i = 0; i < 100; ++i)
{
a = i;
test.add(i,a);
}
DLIB_TEST(test.size() == 100);
for (int i = 0; i < static_cast<int>(test.size()); ++i)
{
DLIB_TEST(test[i] == i);
}
swap(test,test2);
a = 0;
DLIB_TEST(test2.at_start() == true);
while(test2.move_next())
{
DLIB_TEST(test2.at_start() == false);
DLIB_TEST(test2.current_element_valid() == true);
DLIB_TEST(test2.element() == a);
++a;
}
DLIB_TEST(test2.at_start() == false);
DLIB_TEST(test2.current_element_valid() == false);
test2.reset();
DLIB_TEST(test2.at_start() == true);
DLIB_TEST(test2.current_element_valid() == false);
a = 0;
while(test2.move_next())
{
DLIB_TEST(test2.at_start() == false);
DLIB_TEST(test2.current_element_valid() == true);
DLIB_TEST(test2.element() == a);
++a;
}
for (int i = 0; i < 1000; ++i)
{
a = ::rand();
test.add(0,a);
}
DLIB_TEST(test.size() == 1000);
test.sort();
for (unsigned long i = 0; i < test.size()-1; ++i)
{
DLIB_TEST(test[i] <= test[i+1]);
}
a = 0;
while(test.move_next())
{
DLIB_TEST(a <= test.element());
a = test.element();
}
test.clear();
test2.clear();
DLIB_TEST(test.size() == 0);
DLIB_TEST(test2.size() == 0);
for (int i = 0; i < 100; ++i)
{
a = i;
test.add(i,a);
}
for (int i = 100; i < 200; ++i)
{
a = i;
test.add(i,a);
}
test.cat(test2);
DLIB_TEST(test.size() == 200);
DLIB_TEST(test2.size() == 0);
// serialize the state of test, then clear test, then
// load the state back into test.
ostringstream sout;
serialize(test,sout);
DLIB_TEST(test.at_start() == true);
istringstream sin(sout.str());
test.clear();
deserialize(test,sin);
for (int i = 0; i < 200; ++i)
{
DLIB_TEST(test[i] == i);
}
a = 0;
while (test.move_next())
{
DLIB_TEST(test.element() == a);
DLIB_TEST(test[0]==0);
++a;
}
DLIB_TEST(a == 200);
DLIB_TEST(test[9] == 9);
test.remove(9,a);
DLIB_TEST(a == 9);
DLIB_TEST(test[9] == 10);
DLIB_TEST(test.size() == 199);
test.remove(0,a);
DLIB_TEST(test[0] == 1);
DLIB_TEST(test.size() == 198);
DLIB_TEST(a == 0);
DLIB_TEST(test[9] == 11);
DLIB_TEST(test[20] == 22);
}
{
test.clear();
for (int i = 0; i < 100; ++i)
{
int a = 3;
test.add(0,a);
}
DLIB_TEST(test.size() == 100);
remover<int>& go = test;
for (int i = 0; i < 100; ++i)
{
int a = 9;
go.remove_any(a);
DLIB_TEST(a == 3);
}
DLIB_TEST(go.size() == 0);
}
}
class sequence_tester : public tester
{
public:
sequence_tester (
) :
tester ("test_sequence",
"Runs tests on the sequence component.")
{}
void perform_test (
)
{
dlog << LINFO << "testing sort_1a";
sequence_sort_test<sequence<int>::sort_1a> ();
dlog << LINFO << "testing sort_1a_c";
sequence_sort_test<sequence<int>::sort_1a_c>();
dlog << LINFO << "testing sort_2a";
sequence_sort_test<sequence<int>::sort_2a> ();
dlog << LINFO << "testing sort_2a_c";
sequence_sort_test<sequence<int>::sort_2a_c>();
}
} a;
}
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