added test for special args to tests

test/v2/process.cpp

@@ -245,6 +245,67 @@ BOOST_AUTO_TEST_CASE(print_args_out)
 }
 
 
+BOOST_AUTO_TEST_CASE(print_args_spec_out)
+{
+    using boost::unit_test::framework::master_test_suite;
+    const auto pth =  master_test_suite().argv[1];
+
+    asio::io_context ctx;
+
+    asio::readable_pipe rp{ctx};
+    asio::writable_pipe wp{ctx};
+    asio::connect_pipe(rp, wp);
+
+
+    bpv::process proc(ctx, pth, {"print-args", "&foo", "&", "|bar", "\"", "#foobar"}, bpv::process_stdio{/*in*/{},/*out*/wp, /*err*/ nullptr});
+
+    wp.close();
+    asio::streambuf st;
+    std::istream is{&st};
+    bpv::error_code ec;
+
+    auto sz = asio::read(rp, st,  ec);
+    while (ec == asio::error::interrupted)
+    sz += asio::read(rp, st,  ec);
+
+    BOOST_CHECK_NE(sz, 0u);
+    BOOST_CHECK_MESSAGE((ec == asio::error::broken_pipe) || (ec == asio::error::eof), ec.message());
+
+    std::string line;
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL(pth, line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("print-args", line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("&foo", line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("&", line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("|bar", line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("\"", line);
+
+    BOOST_CHECK(std::getline(is, line));
+    trim_end(line);
+    BOOST_CHECK_EQUAL("#foobar", line);
+
+
+    proc.wait();
+    BOOST_CHECK(proc.exit_code() == 0);
+}
+
+
 BOOST_AUTO_TEST_CASE(print_args_err)
 {
   using boost::unit_test::framework::master_test_suite;