CMake/Tests/CMakeLib/testRST.cxx

86 lines
2.3 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmRST.h"
#include "cmSystemTools.h"
#include <cmsys/FStream.hxx>
#include <iostream>
#include <string>
void reportLine(std::ostream& os, bool ret, std::string const& line, bool eol)
{
if (ret) {
os << "\"" << line << "\" (" << (eol ? "with EOL" : "without EOL") << ")";
} else {
os << "EOF";
}
}
int testRST(int argc, char* argv[])
{
if (argc != 2) {
std::cerr << "Usage: testRST <dir>" << std::endl;
return 1;
}
std::string dir = argv[1];
if (dir.empty()) {
dir = ".";
}
std::string a_name = "testRST.actual";
std::string e_name = dir + "/testRST.expect";
// Process the test RST file.
{
std::string fname = dir + "/testRST.rst";
std::ofstream fout(a_name.c_str());
if (!fout) {
std::cerr << "Could not open output " << a_name << std::endl;
return 1;
}
cmRST r(fout, dir);
if (!r.ProcessFile(fname)) {
std::cerr << "Could not open input " << fname << std::endl;
return 1;
}
}
// Compare expected and actual outputs.
cmsys::ifstream e_fin(e_name.c_str());
cmsys::ifstream a_fin(a_name.c_str());
if (!e_fin) {
std::cerr << "Could not open input " << e_name << std::endl;
return 1;
}
if (!a_fin) {
std::cerr << "Could not open input " << a_name << std::endl;
return 1;
}
int lineno = 0;
bool e_ret;
bool a_ret;
do {
std::string e_line;
std::string a_line;
bool e_eol;
bool a_eol;
e_ret = cmSystemTools::GetLineFromStream(e_fin, e_line, &e_eol);
a_ret = cmSystemTools::GetLineFromStream(a_fin, a_line, &a_eol);
++lineno;
if (e_ret != a_ret || e_line != a_line || e_eol != a_eol) {
a_fin.seekg(0, std::ios::beg);
std::cerr << "Actual output does not match that expected on line "
<< lineno << "." << std::endl
<< "Expected ";
reportLine(std::cerr, e_ret, e_line, e_eol);
std::cerr << " but got ";
reportLine(std::cerr, a_ret, a_line, a_eol);
std::cerr << "." << std::endl
<< "Actual output:" << std::endl
<< a_fin.rdbuf();
return 1;
}
} while (e_ret && a_ret);
return 0;
}