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33 lines
1004 B
C++
33 lines
1004 B
C++
#include <fit/arg.hpp>
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#include <fit/is_callable.hpp>
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#include <type_traits>
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#include "test.hpp"
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FIT_TEST_CASE()
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{
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FIT_STATIC_TEST_CHECK(fit::arg_c<3>(1,2,3,4,5) == 3);
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FIT_TEST_CHECK( fit::arg_c<3>(1,2,3,4,5) == 3 );
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}
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FIT_TEST_CASE()
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{
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FIT_STATIC_TEST_CHECK(fit::arg(std::integral_constant<int, 3>())(1,2,3,4,5) == 3);
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FIT_TEST_CHECK( fit::arg(std::integral_constant<int, 3>())(1,2,3,4,5) == 3 );
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}
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FIT_TEST_CASE()
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{
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auto at_3 = fit::arg(std::integral_constant<int, 3>());
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static_assert(fit::is_callable<decltype(at_3), int, int, int>::value, "Not SFINAE-friendly");
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static_assert(!fit::is_callable<decltype(at_3), int, int>::value, "Not SFINAE-friendly");
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static_assert(!fit::is_callable<decltype(at_3), int>::value, "Not SFINAE-friendly");
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}
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struct foo {};
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FIT_TEST_CASE()
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{
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static_assert(!fit::is_callable<decltype(fit::arg), int>::value, "Not sfinae friendly");
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static_assert(!fit::is_callable<decltype(fit::arg), foo>::value, "Not sfinae friendly");
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}
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