view tests/libclient/js-color/main.cpp @ 63:96ba0c5cf893

Misc: update duktape.hpp to new style
author David Demelier <markand@malikania.fr>
date Fri, 16 Dec 2016 16:11:24 +0100
parents fe7e3524e571
children 858621081b95
line wrap: on
line source

/*
 * main.cpp -- test Color (JavaScript binding)
 *
 * Copyright (c) 2013-2016 Malikania Authors
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define BOOST_TEST_MODULE "Javascript Color"
#include <boost/test/unit_test.hpp>

#include <malikania/js_color.hpp>

class test_color {
protected:
    dukx_context m_ctx;

public:
    test_color()
    {
        duk_push_object(m_ctx);
        duk_put_global_string(m_ctx, "Malikania");
        mlk::dukx_load_color(m_ctx);
    }

    int component(const char *name)
    {
        duk_get_global_string(m_ctx, name);
        auto value = duk_require_int(m_ctx, -1);
        duk_pop(m_ctx);

        return value;
    }
};

BOOST_FIXTURE_TEST_SUITE(test_color_suite, test_color)

/*
 * Valid constructors.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(constructors)

BOOST_AUTO_TEST_CASE(constructor_default)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color();"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(0, component("r"));
        BOOST_REQUIRE_EQUAL(0, component("g"));
        BOOST_REQUIRE_EQUAL(0, component("b"));
        BOOST_REQUIRE_EQUAL(255, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_string)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color('white');"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(255, component("r"));
        BOOST_REQUIRE_EQUAL(255, component("g"));
        BOOST_REQUIRE_EQUAL(255, component("b"));
        BOOST_REQUIRE_EQUAL(255, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_string_rgb)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color('#0000ff');"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(0, component("r"));
        BOOST_REQUIRE_EQUAL(0, component("g"));
        BOOST_REQUIRE_EQUAL(255, component("b"));
        BOOST_REQUIRE_EQUAL(255, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_3_args)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color(10, 20, 30);"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(10, component("r"));
        BOOST_REQUIRE_EQUAL(20, component("g"));
        BOOST_REQUIRE_EQUAL(30, component("b"));
        BOOST_REQUIRE_EQUAL(255, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_4_args)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color(10, 20, 30, 40);"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(10, component("r"));
        BOOST_REQUIRE_EQUAL(20, component("g"));
        BOOST_REQUIRE_EQUAL(30, component("b"));
        BOOST_REQUIRE_EQUAL(40, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_object_no_alpha)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color({ red: 10, green: 20, blue: 30 });"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(10, component("r"));
        BOOST_REQUIRE_EQUAL(20, component("g"));
        BOOST_REQUIRE_EQUAL(30, component("b"));
        BOOST_REQUIRE_EQUAL(255, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_object_alpha)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = Malikania.Color({ red: 10, green: 20, blue: 30, alpha: 40 });"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(10, component("r"));
        BOOST_REQUIRE_EQUAL(20, component("g"));
        BOOST_REQUIRE_EQUAL(30, component("b"));
        BOOST_REQUIRE_EQUAL(40, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_new)
{
    /*
     * Just one test, function parse the same way, only 'this' or a new object is returned.
     */
    try {
        auto ret = duk_peval_string(m_ctx,
            "c = new Malikania.Color({ red: 10, green: 20, blue: 30, alpha: 40 });"
            "r = c.red;"
            "g = c.green;"
            "b = c.blue;"
            "a = c.alpha;"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        BOOST_REQUIRE_EQUAL(10, component("r"));
        BOOST_REQUIRE_EQUAL(20, component("g"));
        BOOST_REQUIRE_EQUAL(30, component("b"));
        BOOST_REQUIRE_EQUAL(40, component("a"));
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Invalid constructors.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(invalid_constructors)

BOOST_AUTO_TEST_CASE(constructor_arg_1)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color(null);"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof TypeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("TypeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_arg_2)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color(10, null, 30);"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof TypeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("TypeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_range_1)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color(-1, 20, 30);"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_range_2)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color(10, 20, 256);"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_range_3)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color(10, 20, 30, 800);"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_object_range_red)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color({ red: -1, green: 20, blue: 30 });"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_object_range_alpha)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color({ red: 10, green: 20, blue: 30, alpha: 800 });"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_string)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color('does not exist');"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof Error);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("Error", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(constructor_string_rgb)
{
    try {
        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  Malikania.Color('#ghijkl');"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof Error);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("Error", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Require.
 * ------------------------------------------------------------------
 *
 * TypeTraits<Color>::require expect to have a valid color, it raises an error for any invalid component. Only alpha
 * can be ommitted but if it is present and incorrect, an exception is also raised.
 */

BOOST_AUTO_TEST_SUITE(require)

BOOST_AUTO_TEST_CASE(success)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            auto color = mlk::dukx_require_color(ctx, 0);

            duk_push_uint(ctx, color.red());
            duk_put_global_string(ctx, "r");
            duk_push_uint(ctx, color.green());
            duk_put_global_string(ctx, "g");
            duk_push_uint(ctx, color.blue());
            duk_put_global_string(ctx, "b");
            duk_push_uint(ctx, color.alpha());
            duk_put_global_string(ctx, "a");

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx, "draw('#ff0000');");

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "r");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "g");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "b");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "a");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(fail)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            mlk::dukx_require_color(ctx, 0);

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  draw('#ghijkl');"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof Error);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("Error", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(fail_alpha)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            mlk::dukx_require_color(ctx, 0);

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx,
            "try {"
            "  draw({ red: 10, green: 20, blue: 30, alpha: 800 });"
            "} catch (e) {"
            "  name = e.name;"
            "  correct = (e instanceof RangeError);"
            "}"
        );

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "name");
        BOOST_REQUIRE_EQUAL("RangeError", duk_to_string(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "correct");
        BOOST_REQUIRE(duk_to_boolean(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Get.
 * ------------------------------------------------------------------
 *
 * TypeTraits<Color>::get readjust any invalid values.
 */

BOOST_AUTO_TEST_SUITE(get)

BOOST_AUTO_TEST_CASE(normal)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            auto color = mlk::dukx_get_color(ctx, 0);

            duk_push_uint(ctx, color.red());
            duk_put_global_string(ctx, "r");
            duk_push_uint(ctx, color.green());
            duk_put_global_string(ctx, "g");
            duk_push_uint(ctx, color.blue());
            duk_put_global_string(ctx, "b");
            duk_push_uint(ctx, color.alpha());
            duk_put_global_string(ctx, "a");

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx, "draw('#ff0000');");

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "r");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "g");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "b");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "a");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(adjust_rgb)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            auto color = mlk::dukx_get_color(ctx, 0);

            duk_push_uint(ctx, color.red());
            duk_put_global_string(ctx, "r");
            duk_push_uint(ctx, color.green());
            duk_put_global_string(ctx, "g");
            duk_push_uint(ctx, color.blue());
            duk_put_global_string(ctx, "b");
            duk_push_uint(ctx, color.alpha());
            duk_put_global_string(ctx, "a");

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx, "draw('#ghijkl');");

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "r");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "g");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "b");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "a");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(adjust_all)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            auto color = mlk::dukx_get_color(ctx, 0);

            duk_push_uint(ctx, color.red());
            duk_put_global_string(ctx, "r");
            duk_push_uint(ctx, color.green());
            duk_put_global_string(ctx, "g");
            duk_push_uint(ctx, color.blue());
            duk_put_global_string(ctx, "b");
            duk_push_uint(ctx, color.alpha());
            duk_put_global_string(ctx, "a");

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx, "draw({ red: -1, green: 256, blue: 100, alpha: 800 });");

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "r");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "g");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "b");
        BOOST_REQUIRE_EQUAL(100U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "a");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(something_else)
{
    try {
        duk_push_c_function(m_ctx, [] (auto ctx) {
            auto color = mlk::dukx_get_color(ctx, 0);

            duk_push_uint(ctx, color.red());
            duk_put_global_string(ctx, "r");
            duk_push_uint(ctx, color.green());
            duk_put_global_string(ctx, "g");
            duk_push_uint(ctx, color.blue());
            duk_put_global_string(ctx, "b");
            duk_push_uint(ctx, color.alpha());
            duk_put_global_string(ctx, "a");

            return 0;
        }, 1);
        duk_put_global_string(m_ctx, "draw");

        auto ret = duk_peval_string(m_ctx, "draw(null);");

        if (ret != 0) {
            throw dukx_get_exception(m_ctx, -1);
        }

        duk_get_global_string(m_ctx, "r");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "g");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "b");
        BOOST_REQUIRE_EQUAL(0U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
        duk_get_global_string(m_ctx, "a");
        BOOST_REQUIRE_EQUAL(255U, duk_to_uint(m_ctx, -1));
        duk_pop(m_ctx);
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_SUITE_END()

BOOST_AUTO_TEST_SUITE_END()