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#include <sdsl/suffix_arrays.hpp>
#include <sdsl/construct_sa.hpp>
#include <sdsl/construct_sa_se.hpp>
#include "gtest/gtest.h"
#include <vector>
#include <string>
#include <map>
using namespace sdsl;
using namespace std;
namespace
{
cache_config config;
uint64_t n;
class sa_construct_test : public ::testing::Test
{
protected:
sa_construct_test() { }
virtual ~sa_construct_test() { }
// If the constructor and destructor are not enough for setting up
// and cleaning up each test, you can define the following methods:
virtual void SetUp() {}
virtual void TearDown() {}
};
TEST_F(sa_construct_test, divsufsort)
{
// Construct SA with divsufsort
memory_monitor::start();
construct_config::byte_algo_sa = LIBDIVSUFSORT;
construct_sa<8>(config);
memory_monitor::stop();
// Rename sa-file
sdsl::rename(cache_file_name(conf::KEY_SA, config), cache_file_name("check_sa", config));
config.file_map.erase(conf::KEY_SA);
register_cache_file("check_sa", config);
cout << "# constructs_space = " << (1.0*memory_monitor::peak())/n << " byte per byte, =>" << memory_monitor::peak() << " bytes in total" << endl;
}
TEST_F(sa_construct_test, sesais)
{
// Construct SA with seSAIS
memory_monitor::start();
construct_config::byte_algo_sa = SE_SAIS;
construct_sa<8>(config);
memory_monitor::stop();
cout << "# constructs_space = " << (1.0*memory_monitor::peak())/n << " byte per byte, =>" << memory_monitor::peak() << " bytes in total" << endl;
}
TEST_F(sa_construct_test, compare)
{
// Load both SAs
int_vector_buffer<> sa_check(cache_file_name("check_sa", config));
int_vector_buffer<> sa(cache_file_name(conf::KEY_SA, config));
// Verify
ASSERT_EQ(sa_check.size(), sa.size()) << " suffix array size differ";
for (uint64_t i=0; i<sa_check.size(); ++i) {
ASSERT_EQ(sa_check[i], sa[i]) << " sa differs at position " << i;
}
// Remove all files
util::delete_all_files(config.file_map);
}
} // namespace
int main(int argc, char** argv)
{
::testing::InitGoogleTest(&argc, argv);
if (argc < 4) {
// LCOV_EXCL_START
cout << "Usage: " << argv[0] << " test_file output_file tmp_dir" << endl;
cout << " (1) Generates the SA and stores it in tmp_dir." << endl;
cout << " All generated files contains ID as substring." << endl;
cout << " (2) Checks the suffix array." << endl;
cout << " (3) Deletes all generated files." << endl;
return 1;
// LCOV_EXCL_STOP
}
string test_file = argv[1];
string output_file = argv[2];
string temp_dir = argv[3];
string test_id = to_string(util::pid());
config = cache_config(false, temp_dir, test_id);
if (!cache_file_exists(conf::KEY_TEXT, config)) {
int_vector<8> text;
load_vector_from_file(text, test_file, 1);
if (contains_no_zero_symbol(text, test_file)) {
append_zero_symbol(text);
store_to_cache(text, conf::KEY_TEXT, config);
}
n = text.size();
}
register_cache_file(conf::KEY_TEXT, config);
return RUN_ALL_TESTS();
}
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