PDS/homework_2/test/tests_BubbletonicUtils.cpp

145 行
4.7 KiB
C++

/**
* \file
* \brief PDS HW2 tests
*
* \author
* Christos Choutouridis AEM:8997
* <cchoutou@ece.auth.gr>
*/
#include <gtest/gtest.h>
#include <algorithm> // rand/srand
#include <ctime> // rand/srand
#include "distsort.hpp"
/* ================================== ascending ================================== */
/*
* bool ascending<SortMode::Bubbletonic>(mpi_id_t node, size_t depth);
*/
TEST(TdistBubbletonic_UT, ascending_Bubbletonic_test1) {
EXPECT_EQ(ascending<SortMode::Bubbletonic>(0, 0), true);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(1, 0), false);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(2, 0), true);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(3, 0), false);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(4, 0), true);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(5, 0), false);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(6, 0), true);
EXPECT_EQ(ascending<SortMode::Bubbletonic>(7, 0), false);
for (mpi_id_t node = 0 ; node < 256 ; ++node) {
EXPECT_EQ(ascending<SortMode::Bubbletonic>(node, 7), ((node % 2) ? false : true) );
}
}
/* ================================== partner ================================== */
/*
* mpi_id_t partner<SortMode::Bubbletonic>(mpi_id_t node, size_t step);
* step = 0
*/
TEST(TdistBubbletonic_UT, partner_Bubbletonic_test1) {
size_t ts_step = 0;
mpi_id_t ts_expected[] = {1, 0, 3, 2, 5, 4, 7, 6};
for (mpi_id_t node = 0 ; node < 8 ; ++node) {
EXPECT_EQ(partner<SortMode::Bubbletonic>(node, ts_step), ts_expected[node]);
}
}
/*
* mpi_id_t partner<SortMode::Bubbletonic>(mpi_id_t node, size_t step);
* step = 1
*/
TEST(TdistBubbletonic_UT, partner_Bubbletonic_test2) {
size_t ts_step = 1;
mpi_id_t ts_expected[] = {(mpi_id_t)-1, 2, 1, 4, 3, 6, 5, 8};
for (mpi_id_t node = 0 ; node < 8 ; ++node) {
EXPECT_EQ(partner<SortMode::Bubbletonic>(node, ts_step), ts_expected[node]);
}
}
/*
* mpi_id_t partner<SortMode::Bubbletonic>(mpi_id_t node, size_t step);
* various steps
*/
TEST(TdistBubbletonic_UT, partner_Bubbletonic_test3) {
mpi_id_t ts_even_expected[] = {
1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14
};
mpi_id_t ts_odd_expected[] = {
(mpi_id_t)-1, 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 16
};
for (size_t step = 0 ; step < 32 ; ++step) {
if (step % 2) {
for (mpi_id_t node = 0; node < 16; ++node) {
EXPECT_EQ(partner<SortMode::Bubbletonic>(node, step), ts_odd_expected[node]);
}
}
else {
for (mpi_id_t node = 0; node < 16; ++node) {
EXPECT_EQ(partner<SortMode::Bubbletonic>(node, step), ts_even_expected[node]);
}
}
}
}
/* ================================== keepSmall ================================== */
/*
* bool keepSmall<SortMode::Bubbletonic>(mpi_id_t node, mpi_id_t partner, size_t depth);
* Throw check (Not assert - ASSERT_DEATH)
*/
TEST(TdistBubbletonic_UT, keepsmall_test1) {
// node and partner must differ or else ...
EXPECT_THROW(keepSmall<SortMode::Bubbletonic>(0, 0, 0), std::runtime_error);
EXPECT_THROW(keepSmall<SortMode::Bubbletonic>(1, 1, 42), std::runtime_error);
EXPECT_THROW(keepSmall<SortMode::Bubbletonic>(7, 7, 42), std::runtime_error);
}
/*
* bool keepSmall<SortMode::Bubbletonic>(mpi_id_t node, mpi_id_t partner, size_t depth);
*/
TEST(TdistBubbletonic_UT, keepsmall_test2) {
// Check various combinations
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(0, 1, 42), true);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(0, 3, 42), true);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(2, 1, 42), false);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(7, 1, 42), false);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(0, 1, 42), true);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(7, 32, 42), true);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(7, 1, 42), false);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(4, 0, 42), false);
EXPECT_EQ(keepSmall<SortMode::Bubbletonic>(4, 9, 42), true);
}
/* ================================== isActive ================================== */
/*
* bool isActive(mpi_id_t node, size_t nodes);
* Throw check
*/
TEST(TdistBubbletonic_UT, isActive_test1) {
EXPECT_THROW(isActive(0, 0), std::runtime_error);
EXPECT_THROW(isActive(0, static_cast<size_t>(std::numeric_limits<mpi_id_t>::max()) + 1), std::runtime_error);
}
/*
* bool isActive(mpi_id_t node, size_t nodes);
* Boundary 3 BVA
*/
TEST(TdistBubbletonic_UT, isActive_test2) {
EXPECT_EQ(isActive(-1, 8), false);
EXPECT_EQ(isActive(0, 8), true);
EXPECT_EQ(isActive(1, 8), true);
EXPECT_EQ(isActive(7, 8), true);
EXPECT_EQ(isActive(8, 8), false);
EXPECT_EQ(isActive(9, 8), false);
}