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/* sane - Scanner Access Now Easy.
Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
This file is part of the SANE package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#define DEBUG_DECLARE_ONLY
#include "tests.h"
#include "minigtest.h"
#include "tests_printers.h"
#include "../../../backend/genesys/low.h"
#include <numeric>
namespace genesys {
void test_row_buffer_push_pop_forward(unsigned size)
{
RowBuffer buf{1};
ASSERT_TRUE(buf.empty());
for (unsigned i = 0; i < size; i++) {
buf.push_back();
*buf.get_back_row_ptr() = i;
for (unsigned j = 0; j < i + 1; j++) {
ASSERT_EQ(*buf.get_row_ptr(j), j);
}
}
ASSERT_FALSE(buf.empty());
for (unsigned i = 0; i < 10; i++) {
ASSERT_EQ(buf.height(), size);
ASSERT_EQ(static_cast<unsigned>(*buf.get_front_row_ptr()), i);
buf.pop_front();
ASSERT_EQ(buf.height(), size - 1);
buf.push_back();
*buf.get_back_row_ptr() = i + size;
}
}
void test_row_buffer_push_pop_backward(unsigned size)
{
RowBuffer buf{1};
ASSERT_TRUE(buf.empty());
for (unsigned i = 0; i < size; i++) {
buf.push_front();
*buf.get_front_row_ptr() = i;
for (unsigned j = 0; j < i + 1; j++) {
ASSERT_EQ(*buf.get_row_ptr(j), i - j);
}
}
ASSERT_FALSE(buf.empty());
for (unsigned i = 0; i < 10; i++) {
ASSERT_EQ(buf.height(), size);
ASSERT_EQ(static_cast<unsigned>(*buf.get_back_row_ptr()), i);
buf.pop_back();
ASSERT_EQ(buf.height(), size - 1);
buf.push_front();
*buf.get_front_row_ptr() = i + size;
}
}
void test_row_buffer()
{
for (unsigned size = 1; size < 5; ++size) {
test_row_buffer_push_pop_forward(size);
test_row_buffer_push_pop_backward(size);
}
}
} // namespace genesys
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