1 files changed, 56 insertions, 0 deletions
diff --git a/ext/pybind11/tests/test_kwargs_and_defaults.cpp b/ext/pybind11/tests/test_kwargs_and_defaults.cpp
new file mode 100644
index 000000000..24fc0cd5b
--- /dev/null
+++ b/ext/pybind11/tests/test_kwargs_and_defaults.cpp
@@ -0,0 +1,56 @@
+/*
+    tests/test_kwargs_and_defaults.cpp -- keyword arguments and default values
+
+    Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
+
+    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_tests.h"
+#include <pybind11/stl.h>
+
+std::string kw_func(int x, int y) { return "x=" + std::to_string(x) + ", y=" + std::to_string(y); }
+
+std::string kw_func4(const std::vector<int> &entries) {
+    std::string ret = "{";
+    for (int i : entries)
+        ret += std::to_string(i) + " ";
+    ret.back() = '}';
+    return ret;
+}
+
+py::tuple args_function(py::args args) {
+    return args;
+}
+
+py::tuple args_kwargs_function(py::args args, py::kwargs kwargs) {
+    return py::make_tuple(args, kwargs);
+}
+
+struct KWClass {
+    void foo(int, float) {}
+};
+
+test_initializer arg_keywords_and_defaults([](py::module &m) {
+    m.def("kw_func0", &kw_func);
+    m.def("kw_func1", &kw_func, py::arg("x"), py::arg("y"));
+    m.def("kw_func2", &kw_func, py::arg("x") = 100, py::arg("y") = 200);
+    m.def("kw_func3", [](const char *) { }, py::arg("data") = std::string("Hello world!"));
+
+    /* A fancier default argument */
+    std::vector<int> list;
+    list.push_back(13);
+    list.push_back(17);
+    m.def("kw_func4", &kw_func4, py::arg("myList") = list);
+
+    m.def("args_function", &args_function);
+    m.def("args_kwargs_function", &args_kwargs_function);
+
+    m.def("kw_func_udl", &kw_func, "x"_a, "y"_a=300);
+    m.def("kw_func_udl_z", &kw_func, "x"_a, "y"_a=0);
+
+    py::class_<KWClass>(m, "KWClass")
+        .def("foo0", &KWClass::foo)
+        .def("foo1", &KWClass::foo, "x"_a, "y"_a);
+});