diff options
Diffstat (limited to 'third_party/immer/test/util.hpp')
| -rw-r--r-- | third_party/immer/test/util.hpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/third_party/immer/test/util.hpp b/third_party/immer/test/util.hpp new file mode 100644 index 000000000000..41904f5a8907 --- /dev/null +++ b/third_party/immer/test/util.hpp @@ -0,0 +1,103 @@ +// +// immer: immutable data structures for C++ +// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente +// +// This software is distributed under the Boost Software License, Version 1.0. +// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt +// + +#pragma once + +#include <boost/range/irange.hpp> +#include <boost/range/join.hpp> +#include <cstddef> + +namespace { + +struct identity_t +{ + template <typename T> + decltype(auto) operator()(T&& x) + { + return std::forward<decltype(x)>(x); + } +}; + +template <typename Integer> +auto test_irange(Integer from, Integer to) +{ +#if IMMER_SLOW_TESTS + return boost::irange(from, to); +#else + if (to - from < Integer{10}) + return boost::join(boost::irange(Integer{}, Integer{}), + boost::join(boost::irange(from, to, 1), + boost::irange(Integer{}, Integer{}))); + else + return boost::join(boost::irange(from, from + Integer{2}), + boost::join(boost::irange(from + Integer{2}, + to - Integer{2}, + (to - from) / Integer{5}), + boost::irange(to - Integer{2}, to))); +#endif +} + +} // anonymous namespace + +#if IMMER_SLOW_TESTS +#define CHECK_SLOW(...) CHECK(__VA_ARGS__) +#else +#define CHECK_SLOW(...) +#endif + +#if IMMER_SLOW_TESTS +#define CHECK_VECTOR_EQUALS_RANGE_AUX(v1_, first_, last_, xf_) \ + [](auto&& v1, auto&& first, auto&& last, auto&& xf) { \ + auto size = std::distance(first, last); \ + CHECK(static_cast<std::ptrdiff_t>(v1.size()) == size); \ + if (static_cast<std::ptrdiff_t>(v1.size()) != size) \ + return; \ + for (auto j = 0u; j < size; ++j) \ + CHECK(xf(v1[j]) == xf(*first++)); \ + }(v1_, first_, last_, xf_) // CHECK_EQUALS +#else +#define CHECK_VECTOR_EQUALS_RANGE_AUX(v1_, first_, last_, ...) \ + [](auto&& v1, auto&& first, auto&& last, auto&& xf) { \ + auto size = std::distance(first, last); \ + CHECK(static_cast<std::ptrdiff_t>(v1.size()) == size); \ + if (static_cast<std::ptrdiff_t>(v1.size()) != size) \ + return; \ + if (size > 0) { \ + CHECK(xf(v1[0]) == xf(*(first + (0)))); \ + CHECK(xf(v1[size - 1]) == xf(*(first + (size - 1)))); \ + CHECK(xf(v1[size / 2]) == xf(*(first + (size / 2)))); \ + CHECK(xf(v1[size / 3]) == xf(*(first + (size / 3)))); \ + CHECK(xf(v1[size / 4]) == xf(*(first + (size / 4)))); \ + CHECK(xf(v1[size - 1 - size / 2]) == \ + xf(*(first + (size - 1 - size / 2)))); \ + CHECK(xf(v1[size - 1 - size / 3]) == \ + xf(*(first + (size - 1 - size / 3)))); \ + CHECK(xf(v1[size - 1 - size / 4]) == \ + xf(*(first + (size - 1 - size / 4)))); \ + } \ + if (size > 1) { \ + CHECK(xf(v1[1]) == xf(*(first + (1)))); \ + CHECK(xf(v1[size - 2]) == xf(*(first + (size - 2)))); \ + } \ + if (size > 2) { \ + CHECK(xf(v1[2]) == xf(*(first + (2)))); \ + CHECK(xf(v1[size - 3]) == xf(*(first + (size - 3)))); \ + } \ + }(v1_, first_, last_, __VA_ARGS__) // CHECK_EQUALS +#endif // IMMER_SLOW_TESTS + +#define CHECK_VECTOR_EQUALS_AUX(v1_, v2_, ...) \ + [](auto&& v1, auto&& v2, auto&&... xs) { \ + CHECK_VECTOR_EQUALS_RANGE_AUX(v1, v2.begin(), v2.end(), xs...); \ + }(v1_, v2_, __VA_ARGS__) + +#define CHECK_VECTOR_EQUALS_RANGE(v1, b, e) \ + CHECK_VECTOR_EQUALS_RANGE_AUX((v1), (b), (e), identity_t{}) + +#define CHECK_VECTOR_EQUALS(v1, v2) \ + CHECK_VECTOR_EQUALS_AUX((v1), (v2), identity_t{}) |