Files
lammps/unittest/testing/utils.h
2020-08-13 13:00:37 -04:00

74 lines
1.9 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifndef TEST_EXTENSIONS__H
#define TEST_EXTENSIONS__H
#include <string>
#include <vector>
#include <iostream>
#include <fstream>
#include <sys/types.h>
#include <sys/stat.h>
static void delete_file(const std::string &filename)
{
remove(filename.c_str());
}
static size_t count_lines(const std::string &filename)
{
std::ifstream infile(filename);
std::string line;
size_t nlines = 0;
while (std::getline(infile, line))
++nlines;
return nlines;
}
static bool equal_lines(const std::string &fileA, const std::string &fileB)
{
std::ifstream afile(fileA);
std::ifstream bfile(fileB);
std::string lineA, lineB;
while (std::getline(afile, lineA)) {
if(!std::getline(bfile, lineB)) return false;
if(lineA != lineB) return false;
}
return true;
}
static std::vector<std::string> read_lines(const std::string &filename) {
std::vector<std::string> lines;
std::ifstream infile(filename);
std::string line;
while (std::getline(infile, line))
lines.push_back(line);
return lines;
}
static bool file_exists(const std::string &filename) {
struct stat result;
return stat(filename.c_str(), &result) == 0;
}
#define ASSERT_FILE_EXISTS(NAME) ASSERT_TRUE(file_exists(NAME))
#define ASSERT_FILE_EQUAL(FILE_A, FILE_B) ASSERT_TRUE(equal_lines(FILE_A, FILE_B))
#endif