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rAKA/test/test_common/test_csr.cc
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test_csr.cc
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/**
* @file test_csr.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Jul 30 2012
* @date last modification: Sun Dec 03 2017
*
* @brief Test the CSR (compressed sparse row) data structure
*
* @section LICENSE
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_csr.hh"
/* -------------------------------------------------------------------------- */
#include <gtest/gtest.h>
/* -------------------------------------------------------------------------- */
using namespace akantu;
class TestCsrFixture : public ::testing::Test {
protected:
void SetUp() override {
csr.resizeRows(N);
csr.clearRows();
for (UInt i = 0; i < N; ++i) {
UInt nb_cols(UInt(rand() * double(N) / (RAND_MAX + 1.)));
nb_cols_per_row.push_back(nb_cols);
for (UInt j = 0; j < nb_cols; ++j) {
++csr.rowOffset(i);
}
}
csr.countToCSR();
csr.resizeCols();
csr.beginInsertions();
for (UInt i = 0; i < N; ++i) {
UInt nb_cols = nb_cols_per_row[i];
for (UInt j = 0; j < nb_cols; ++j) {
csr.insertInRow(i, nb_cols - j);
}
}
csr.endInsertions();
}
std::vector<UInt> nb_cols_per_row;
CSR<UInt> csr;
size_t N = 1000;
};
TEST_F(TestCsrFixture, CheckInsertion) { EXPECT_EQ(N, this->csr.getNbRows()); }
TEST_F(TestCsrFixture, Iteration) {
for (UInt i = 0; i < this->csr.getNbRows(); ++i) {
auto it = this->csr.begin(i);
auto end = this->csr.end(i);
UInt nb_cols = this->nb_cols_per_row[i];
for (; it != end; ++it) {
EXPECT_EQ(nb_cols, *it);
nb_cols--;
}
EXPECT_EQ(0, nb_cols);
}
}
TEST_F(TestCsrFixture, ReverseIteration) {
for (UInt i = 0; i < csr.getNbRows(); ++i) {
auto it = csr.rbegin(i);
auto end = csr.rend(i);
UInt nb_cols = nb_cols_per_row[i];
UInt j = nb_cols;
for (; it != end; --it) {
EXPECT_EQ((nb_cols - j + 1), *it);
j--;
}
EXPECT_EQ(0, j);
}
}
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