internal/parameterized.h

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/*
 * The MIT License (MIT)
 *
 * Copyright © 2015-2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#ifndef CRITERION_INTERNAL_PARAMETERIZED_H_
#define CRITERION_INTERNAL_PARAMETERIZED_H_
 
#include "test.h"
#include "../types.h"
 
struct criterion_test_params {
    size_t size;
    void *params;
    size_t length;
    void (*cleanup)(struct criterion_test_params *);
 
#ifdef __cplusplus
    constexpr criterion_test_params(size_t size, void *params, size_t length)
        : size(size),
        params(params),
        length(length),
        cleanup(nullptr)
    {}
 
    constexpr criterion_test_params(size_t size, void *params, size_t length,
            void(*cleanup)(struct criterion_test_params *))
        : size(size),
        params(params),
        length(length),
        cleanup(cleanup)
    {}
 
    template <typename T>
    constexpr criterion_test_params(std::vector<T, criterion::allocator<T> > &vec,
            void(*cleanup)(criterion_test_params *) = nullptr)
        : size(sizeof (T)),
        params(&vec[0]),
        length(vec.size()),
        cleanup(cleanup)
    {}
 
    template <typename T, unsigned int N>
    constexpr criterion_test_params(T (&arr)[N],
            void(*cleanup)(criterion_test_params *) = nullptr)
        : size(sizeof (arr[0])),
        params(static_cast<void *>(&arr)),
        length(N),
        cleanup(cleanup)
    {}
#endif
};
 
#ifdef __cplusplus
# define CR_PARAM_TEST_PROTOTYPE_(Param, Category, Name) \
    extern "C" void CR_IDENTIFIER_(Category, Name, impl)(Param)
#else
# define CR_PARAM_TEST_PROTOTYPE_(Param, Category, Name) \
    void CR_IDENTIFIER_(Category, Name, impl)(Param)
#endif
 
#define CR_PARAM_TEST_BASE(Param, Category, Name, ...)                       \
    CR_PARAM_TEST_PROTOTYPE_(Param, Category, Name);                         \
    CR_TEST_TRAMPOLINE_(Category, Name)                                      \
    struct criterion_test_extra_data CR_IDENTIFIER_(Category, Name, extra) = \
            CR_EXPAND(CRITERION_MAKE_STRUCT(criterion_test_extra_data,       \
                    .compiler_ = CR_COMPILER_,                               \
                    .lang_ = CR_LANG,                                        \
                    .kind_ = CR_TEST_PARAMETERIZED,                          \
                    .param_ = CR_IDENTIFIER_(Category, Name, param),         \
                    .identifier_ = #Category "/" #Name,                      \
                    .file_    = __FILE__,                                    \
                    .line_    = __LINE__,                                    \
                    __VA_ARGS__                                              \
                    ));                                                      \
    struct criterion_test CR_IDENTIFIER_(Category, Name, meta) = {           \
        #Name,                                                               \
        #Category,                                                           \
        CR_IDENTIFIER_(Category,  Name, jmp),                                \
        &CR_IDENTIFIER_(Category, Name, extra)                               \
    };                                                                       \
    CR_SECTION_("cr_tst")                                                    \
    struct criterion_test *CR_IDENTIFIER_(Category, Name, ptr)               \
        = &CR_IDENTIFIER_(Category, Name, meta) CR_SECTION_SUFFIX_;          \
    CR_PARAM_TEST_PROTOTYPE_(Param, Category, Name)
 
#define CR_PARAM_TEST_PARAMS(Category, Name) \
    static struct criterion_test_params CR_IDENTIFIER_(Category, Name, param)(void)
 
#ifdef __cplusplus
# define cr_make_param_array_(Type, Array, ...) \
    criterion_test_params(sizeof (Type), (Array), __VA_ARGS__)
#else
# define cr_make_param_array_(Type, Array, ...) \
    (struct criterion_test_params) { .size = sizeof (Type), (void *) (Array), __VA_ARGS__ }
#endif
 
#undef ParameterizedTest
#define ParameterizedTest(...)    CR_EXPAND(CR_PARAM_TEST_BASE(__VA_ARGS__, .sentinel_ = 0))
 
#undef ParameterizedTestParameters
#define ParameterizedTestParameters(Suite, Name)    CR_PARAM_TEST_PARAMS(Suite, Name)
 
#undef cr_make_param_array
#define cr_make_param_array(...)    CR_EXPAND(cr_make_param_array_(__VA_ARGS__))
 
#endif /* !CRITERION_INTERNAL_PARAMETERIZED_H_ */