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// file : tests/process-run/driver.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <string>
#include <iostream>
#include <libbutl/path.hxx>
#include <libbutl/process.hxx>
#include <libbutl/fdstream.hxx>
#include <libbutl/small-vector.hxx>
#undef NDEBUG
#include <cassert>
using namespace std;
using namespace butl;
template <typename I,
typename O,
typename E,
typename... A>
process_exit
run (I&& in,
O&& out,
E&& err,
const process_env& env,
A&&... args)
{
return process_run (forward<I> (in),
forward<O> (out),
forward<E> (err),
env,
forward<A> (args)...);
}
int
main (int argc, const char* argv[])
{
if (argc < 2) // No argument test.
return 0;
string a (argv[1]);
if (a == "-c")
{
// -i read from stdin
// -o write argument to stdout
// -e write argument to stderr
// -x exit with argument
//
for (int i (2); i != argc; ++i)
{
a = argv[i];
if (a == "-i") cin >> a;
else if (a == "-o") cout << argv[++i] << endl;
else if (a == "-e") cerr << argv[++i] << endl;
else if (a == "-x") return atoi (argv[++i]);
}
return 0;
}
else
assert (a == "-p");
const string p (argv[0]);
assert (run (0, 1, 2, p));
assert (run (0, 1, 2, p, "-c"));
process_run_callback ([] (const char* c[], size_t n)
{
process::print (cout, c, n);
cout << endl;
},
0, 1, 2,
p,
"-c");
// Stream conversion and redirection.
//
assert (run (fdopen_null (), 1, 2, p, "-c", "-i"));
assert (run (fdopen_null (), 2, 2, p, "-c", "-o", "abc"));
assert (run (fdopen_null (), 1, 1, p, "-c", "-e", "abc"));
{
fdpipe pipe (fdopen_pipe ());
process pr (process_start (pipe, process::pipe (-1, 1), 2, p, "-c", "-i"));
pipe.close ();
assert (pr.wait ());
}
// Argument conversion.
//
assert (run (0, 1, 2, p, "-c", "-o", "abc"));
assert (run (0, 1, 2, p, "-c", "-o", string ("abc")));
assert (run (0, 1, 2, p, "-c", "-o", path ("abc")));
assert (run (0, 1, 2, p, "-c", "-o", 123));
}
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