115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
#include "tap.hpp"
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#include "tuple/type.hpp"
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#include <typeindex>
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template <typename T>
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struct int_mapper
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{
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typedef int type;
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};
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int
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main (void)
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{
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cruft::TAP::logger tap;
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{
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using tuple_t = std::tuple<float,int,void>;
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tap.expect_eq (cruft::tuple::type::index<tuple_t,int>::value, 1u, "tuple index extraction");
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}
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{
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using tuple_t = std::tuple<float,int,void>;
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tap.expect (
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std::is_same_v<
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cruft::tuple::type::nth_t<tuple_t,1>,
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int
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>,
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"tuple type indexing with 'nth'"
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);
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}
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{
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#if !defined(NO_RTTI)
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auto tuple = std::make_tuple (1u, 1, 1.f, 1.);
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std::vector<std::type_index> expected {
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std::type_index (typeid (1u)),
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std::type_index (typeid (1)),
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std::type_index (typeid (1.f)),
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std::type_index (typeid (1.))
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};
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std::vector<std::type_index> actual;
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cruft::tuple::type::each<decltype(tuple)> ([&actual] (auto i) {
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actual.push_back (typeid (typename decltype(i)::type));
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});
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tap.expect_eq (actual, expected, "type iteration");
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#else
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tap.skip ("type iteration because no-rtti");
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#endif
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}
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{
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using pair_t = std::pair<int,float>;
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using tuple_t = std::tuple<int,float>;
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tap.expect (std::is_same_v<cruft::tuple::type::entuple_t<pair_t>, tuple_t>, "entuple a pair");
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}
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{
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using a = std::pair<int,float>;
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using b = std::tuple<char>;
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using c = std::tuple<int,float,char>;
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tap.expect (std::is_same_v<
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cruft::tuple::type::cat_t<a,b>, c
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>, "concatenate pair and tuple");
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}
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{
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using original_t = std::tuple<int,char,float,int,double,int>;
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using removed_t = std::tuple<char,float,double>;
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tap.expect (std::is_same_v<
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cruft::tuple::type::remove_t<int,original_t>,
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removed_t
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>, "removed int from tuple");
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}
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{
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using original_t = std::tuple<int,float,float,char,double,char>;
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using unique_t = std::tuple<int,float,char,double>;
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tap.expect (std::is_same_v<
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cruft::tuple::type::unique_t<original_t>,
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unique_t
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>, "removed duplicates from tuple");
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}
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{
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using src_t = std::tuple<std::string>;
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using dst_t = typename cruft::tuple::type::map<src_t, int_mapper>::type;
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tap.expect (std::is_same<dst_t, std::tuple<int>>::value, "tuple type mapping");
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}
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{
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// Test that prefix extraction of a tuple works as expected.
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using full_t = std::tuple<i08, i16, i32, i64>;
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static constexpr std::size_t LENGTH = 2;
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using prefix_t = cruft::tuple::type::prefix_t<LENGTH, full_t>;
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using expected_t = std::tuple<i08, i16>;
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tap.expect (std::is_same_v<prefix_t, expected_t>, "tuple prefix");
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}
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return tap.status ();
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} |