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Diffstat (limited to 'ext/pybind11/tests/test_iostream.cpp')
-rw-r--r-- | ext/pybind11/tests/test_iostream.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/ext/pybind11/tests/test_iostream.cpp b/ext/pybind11/tests/test_iostream.cpp new file mode 100644 index 000000000..e67f88af5 --- /dev/null +++ b/ext/pybind11/tests/test_iostream.cpp @@ -0,0 +1,73 @@ +/* + tests/test_iostream.cpp -- Usage of scoped_output_redirect + + Copyright (c) 2017 Henry F. Schreiner + + All rights reserved. Use of this source code is governed by a + BSD-style license that can be found in the LICENSE file. +*/ + + +#include <pybind11/iostream.h> +#include "pybind11_tests.h" +#include <iostream> + + +void noisy_function(std::string msg, bool flush) { + + std::cout << msg; + if (flush) + std::cout << std::flush; +} + +void noisy_funct_dual(std::string msg, std::string emsg) { + std::cout << msg; + std::cerr << emsg; +} + +TEST_SUBMODULE(iostream, m) { + + add_ostream_redirect(m); + + // test_evals + + m.def("captured_output_default", [](std::string msg) { + py::scoped_ostream_redirect redir; + std::cout << msg << std::flush; + }); + + m.def("captured_output", [](std::string msg) { + py::scoped_ostream_redirect redir(std::cout, py::module::import("sys").attr("stdout")); + std::cout << msg << std::flush; + }); + + m.def("guard_output", &noisy_function, + py::call_guard<py::scoped_ostream_redirect>(), + py::arg("msg"), py::arg("flush")=true); + + m.def("captured_err", [](std::string msg) { + py::scoped_ostream_redirect redir(std::cerr, py::module::import("sys").attr("stderr")); + std::cerr << msg << std::flush; + }); + + m.def("noisy_function", &noisy_function, py::arg("msg"), py::arg("flush") = true); + + m.def("dual_guard", &noisy_funct_dual, + py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>(), + py::arg("msg"), py::arg("emsg")); + + m.def("raw_output", [](std::string msg) { + std::cout << msg << std::flush; + }); + + m.def("raw_err", [](std::string msg) { + std::cerr << msg << std::flush; + }); + + m.def("captured_dual", [](std::string msg, std::string emsg) { + py::scoped_ostream_redirect redirout(std::cout, py::module::import("sys").attr("stdout")); + py::scoped_ostream_redirect redirerr(std::cerr, py::module::import("sys").attr("stderr")); + std::cout << msg << std::flush; + std::cerr << emsg << std::flush; + }); +} |