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Diffstat (limited to 'testsuite/backend/genesys/tests_row_buffer.cpp')
-rw-r--r-- | testsuite/backend/genesys/tests_row_buffer.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/testsuite/backend/genesys/tests_row_buffer.cpp b/testsuite/backend/genesys/tests_row_buffer.cpp new file mode 100644 index 0000000..73ca86c --- /dev/null +++ b/testsuite/backend/genesys/tests_row_buffer.cpp @@ -0,0 +1,91 @@ +/* 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. +*/ + +#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 |