// Copyright (C) 2006 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/interfaces/enumerable.h>
#include <dlib/array2d.h>
#include "tester.h"
#include <dlib/pixel.h>
#include <dlib/image_transforms.h>
namespace
{
using namespace test;
using namespace dlib;
using namespace std;
logger dlog("test.array2d");
template <
typename array2d
>
void array2d_kernel_test (
)
/*!
requires
- array2d is an implementation of array2d/array2d_kernel_abstract.h
is instantiated with unsigned long
ensures
- runs tests on array2d for compliance with the specs
!*/
{
srand(static_cast<unsigned int>(time(0)));
array2d test,test2;
long nc, nr;
DLIB_TEST(get_rect(test).is_empty());
enumerable<unsigned long>& e = test;
DLIB_TEST(e.at_start() == true);
DLIB_TEST(e.size() == 0);
DLIB_TEST(e.at_start() == true);
DLIB_TEST(e.current_element_valid() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST (e.move_next() == false);
DLIB_TEST(e.size() == 0);
DLIB_TEST(e.at_start() == false);
DLIB_TEST(e.current_element_valid() == false);
e.reset();
DLIB_TEST(e.size() == 0);
DLIB_TEST(e.at_start() == true);
DLIB_TEST(e.current_element_valid() == false);
DLIB_TEST(get_rect(test).is_empty());
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == false);
DLIB_TEST(test.current_element_valid() == false);
test.reset();
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
test.clear();
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
test.set_size(0,0);
DLIB_TEST(get_rect(test).is_empty());
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
DLIB_TEST (test.move_next() == false);
swap(test,test2);
DLIB_TEST (test2.at_start() == false);
DLIB_TEST (test2.current_element_valid() == false);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
swap(test,test2);
DLIB_TEST(test2.at_start() == true);
DLIB_TEST(test2.current_element_valid() == false);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == false);
DLIB_TEST(test.current_element_valid() == false);
test.reset();
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
for (int j = 0; j < 30; ++j)
{
test2.clear();
switch (j)
{
case 0:
nc = 10;
nr = 11;
break;
case 1:
nc = 1;
nr = 1;
break;
case 2:
nc = 100;
nr = 1;
break;
case 3:
nc = 1;
nr = 100;
break;
default:
nc = ::rand()%100 + 1;
nr = ::rand()%100 + 1;
break;
}
test.set_size(nr,nc);
DLIB_TEST(get_rect(test).left() == 0);
DLIB_TEST(get_rect(test).top() == 0);
DLIB_TEST(get_rect(test).right() == nc-1);
DLIB_TEST(get_rect(test).bottom() == nr-1);
DLIB_TEST(test.size() == static_cast<unsigned long>(nc*nr));
DLIB_TEST(test.nr() == nr);
DLIB_TEST(test.nc() == nc);
DLIB_TEST(test.at_start() == true);
DLIB_TEST(test.current_element_valid() == false);
unsigned long i = 0;
while (test.move_next())
{
DLIB_TEST(test.current_element_valid() == true);
DLIB_TEST(test.at_start() == false);
test.element() = i;
DLIB_TEST(const_cast<const array2d&>(test).element() == i);
++i;
}
DLIB_TEST(i == test.size());
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST(test.nr() == nr);
DLIB_TEST(test.nc() == nc);
DLIB_TEST(test.at_start() == false);
DLIB_TEST(test.size() == static_cast<unsigned long>(nc*nr));
i = 0;
for (long row = 0; row < test.nr(); ++row)
{
for (long col = 0; col < test.nc(); ++col)
{
DLIB_TEST_MSG(test[row][col] == i,
"\n\trow: " << row <<
"\n\tcol: " << col <<
"\n\ti: " << i <<
"\n\ttest[row][col]: " << test[row][col]);
DLIB_TEST(test[row].nc() == test.nc());
DLIB_TEST(test.current_element_valid() == false);
DLIB_TEST(test.nr() == nr);
DLIB_TEST(test.nc() == nc);
DLIB_TEST(test.at_start() == false);
DLIB_TEST(test.size() == static_cast<unsigned long>(nc*nr));
++i;
}
}
test.reset();
i = 0;
while (test.move_next())
{
DLIB_TEST(test.element() == i);
++i;
DLIB_TEST(test.current_element_valid() == true);
DLIB_TEST(test.at_start() == false);
}
DLIB_TEST(i == test.size());
test.reset();
swap(test,test2);
DLIB_TEST(test2.size() == static_cast<unsigned long>(nc*nr));
DLIB_TEST(test2.nr() == nr);
DLIB_TEST(test2.nc() == nc);
DLIB_TEST(test2.at_start() == true);
DLIB_TEST(test2.current_element_valid() == false);
i = 0;
while (test2.move_next())
{
DLIB_TEST(test2.current_element_valid() == true);
DLIB_TEST(test2.at_start() == false);
test2.element() = i;
++i;
}
DLIB_TEST(i == test2.size());
DLIB_TEST(test2.current_element_valid() == false);
DLIB_TEST(test2.nr() == nr);
DLIB_TEST(test2.nr() == test2.nr());
DLIB_TEST(test2.nc() == nc);
DLIB_TEST(test2.nc() == test2.nc());
DLIB_TEST(test2.at_start() == false);
DLIB_TEST(test2.size() == static_cast<unsigned long>(nc*nr));
i = 0;
for (long row = 0; row < test2.nr(); ++row)
{
for (long col = 0; col < test2.nc(); ++col)
{
DLIB_TEST(test2[row][col] == i);
DLIB_TEST(const_cast<const array2d&>(test2)[row][col] == i);
DLIB_TEST(test2[row].nc() == test2.nc());
DLIB_TEST(test2.current_element_valid() == false);
DLIB_TEST(test2.nr() == nr);
DLIB_TEST(test2.nr() == test2.nr());
DLIB_TEST(test2.nc() == nc);
DLIB_TEST(test2.nc() == test2.nc());
DLIB_TEST(test2.at_start() == false);
DLIB_TEST(test2.size() == static_cast<unsigned long>(nc*nr));
++i;
}
}
test2.reset();
i = 0;
while (test2.move_next())
{
DLIB_TEST(test2.element() == i);
DLIB_TEST(const_cast<const array2d&>(test2).element() == i);
++i;
DLIB_TEST(test2.current_element_valid() == true);
DLIB_TEST(test2.at_start() == false);
}
DLIB_TEST(i == test2.size());
test2.clear();
DLIB_TEST(test2.size() == 0);
DLIB_TEST(test2.nr() == 0);
DLIB_TEST(test2.nc() == 0);
DLIB_TEST(test2.current_element_valid() == false);
DLIB_TEST(test2.at_start() == true);
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.nc() == 0);
DLIB_TEST(test.nr() == 0);
test.set_size(nr,nc);
DLIB_TEST(test.size() == static_cast<unsigned long>(nc*nr));
DLIB_TEST(test.nc() == nc);
DLIB_TEST(test.nr() == nr);
}
// test the serialization
istringstream sin;
ostringstream sout;
test.clear();
test2.clear();
DLIB_TEST(test.size() == 0);
DLIB_TEST(test.nc() == 0);
DLIB_TEST(test.nr() == 0);
DLIB_TEST(test2.size() == 0);
DLIB_TEST(test2.nc() == 0);
DLIB_TEST(test2.nr() == 0);
test.set_size(10,10);
for (long row = 0; row < test.nr(); ++row)
{
for (long col = 0; col < test.nc(); ++col)
{
test[row][col] = row*col;
}
}
serialize(test,sout);
sin.str(sout.str());
deserialize(test2,sin);
DLIB_TEST(test2.size() == test.size());
DLIB_TEST(test2.nc() == test.nc());
DLIB_TEST(test2.nr() == test.nr());
DLIB_TEST(test2.size() == 100);
DLIB_TEST(test2.nc() == 10);
DLIB_TEST(test2.nr() == 10);
for (long row = 0; row < test.nr(); ++row)
{
for (long col = 0; col < test.nc(); ++col)
{
DLIB_TEST(test[row][col] == static_cast<unsigned long>(row*col));
DLIB_TEST(test2[row][col] == static_cast<unsigned long>(row*col));
}
}
test.set_size(10,11);
DLIB_TEST(test.nr() == 10);
DLIB_TEST(test.nc() == 11);
test.set_size(0,0);
DLIB_TEST(test.nr() == 0);
DLIB_TEST(test.nc() == 0);
}
void test_serialization()
{
// Do these tests because there are overloads of the serialize routines
// specifically for these types of pixel (except for unsigned short,
// we do that because you can never have too many tests).
{
array2d<rgb_alpha_pixel> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1].red = 9;
img[1][1].green = 8;
img[1][1].blue = 7;
img[1][1].alpha = 3;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c].red == img2[r][c].red);
DLIB_TEST(img[r][c].green == img2[r][c].green);
DLIB_TEST(img[r][c].blue == img2[r][c].blue);
DLIB_TEST(img[r][c].alpha == img2[r][c].alpha);
}
}
}
{
array2d<hsi_pixel> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1].h = 9;
img[1][1].s = 2;
img[1][1].i = 3;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c].h == img2[r][c].h);
DLIB_TEST(img[r][c].s == img2[r][c].s);
DLIB_TEST(img[r][c].i == img2[r][c].i);
}
}
}
{
array2d<bgr_pixel> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1].red = 1;
img[1][1].green = 2;
img[1][1].blue = 3;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c].red == img2[r][c].red);
DLIB_TEST(img[r][c].green == img2[r][c].green);
DLIB_TEST(img[r][c].blue == img2[r][c].blue);
}
}
}
{
array2d<rgb_pixel> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1].red = 1;
img[1][1].green = 2;
img[1][1].blue = 3;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c].red == img2[r][c].red);
DLIB_TEST(img[r][c].green == img2[r][c].green);
DLIB_TEST(img[r][c].blue == img2[r][c].blue);
}
}
}
{
array2d<unsigned short> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1] = 9;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c] == img2[r][c]);
}
}
}
{
array2d<unsigned char> img, img2;
img.set_size(3,2);
assign_all_pixels(img, 5);
img[1][1] = 9;
ostringstream sout;
serialize(img, sout);
istringstream sin(sout.str());
deserialize(img2, sin);
DLIB_TEST(img2.nr() == 3);
DLIB_TEST(img2.nc() == 2);
for (long r = 0; r < img.nr(); ++r)
{
for (long c = 0; c < img.nc(); ++c)
{
DLIB_TEST(img[r][c] == img2[r][c]);
}
}
DLIB_TEST((char*)&img[0][0] + img.width_step() == (char*)&img[1][0]);
}
COMPILE_TIME_ASSERT(is_array2d<array2d<unsigned char> >::value == true);
COMPILE_TIME_ASSERT(is_array2d<array2d<float> >::value == true);
COMPILE_TIME_ASSERT(is_array2d<float>::value == false);
}
class array2d_tester : public tester
{
public:
array2d_tester (
) :
tester ("test_array2d",
"Runs tests on the array2d component.")
{}
void perform_test (
)
{
dlog << LINFO << "testing kernel_1a";
array2d_kernel_test<array2d<unsigned long> >();
print_spinner();
test_serialization();
print_spinner();
}
} a;
}