b8cb1dc9ea
When we ship LLVM 16, <ranges> won't be considered experimental anymore. We might as well do this sooner rather than later. Differential Revision: https://reviews.llvm.org/D132151
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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#include "test_macros.h"
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TEST_CLANG_DIAGNOSTIC_IGNORED("-Wsign-compare")
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TEST_GCC_DIAGNOSTIC_IGNORED("-Wsign-compare")
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TEST_MSVC_DIAGNOSTIC_IGNORED(4018 4389) // various "signed/unsigned mismatch"
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// constexpr auto end() const;
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// constexpr iterator end() const requires same_as<W, Bound>;
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#include <cassert>
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#include <ranges>
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#include <utility>
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#include "types.h"
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template<class T, class U>
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constexpr void testType(U u) {
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{
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std::ranges::iota_view<T, U> io(T(0), u);
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assert(std::ranges::next(io.begin(), 10) == io.end());
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}
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{
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std::ranges::iota_view<T, U> io(T(10), u);
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assert(io.begin() == io.end());
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assert(io.begin() == std::move(io).end());
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}
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{
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const std::ranges::iota_view<T, U> io(T(0), u);
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assert(std::ranges::next(io.begin(), 10) == io.end());
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assert(std::ranges::next(io.begin(), 10) == std::move(io).end());
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}
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{
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const std::ranges::iota_view<T, U> io(T(10), u);
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assert(io.begin() == io.end());
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}
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{
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std::ranges::iota_view<T> io(T(0), std::unreachable_sentinel);
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assert(io.begin() != io.end());
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assert(std::ranges::next(io.begin()) != io.end());
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assert(std::ranges::next(io.begin(), 10) != io.end());
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}
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{
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const std::ranges::iota_view<T> io(T(0), std::unreachable_sentinel);
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assert(io.begin() != io.end());
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assert(std::ranges::next(io.begin()) != io.end());
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assert(std::ranges::next(io.begin(), 10) != io.end());
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}
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}
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constexpr bool test() {
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testType<SomeInt>(SomeInt(10));
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testType<SomeInt>(IntComparableWith(SomeInt(10)));
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testType<signed long>(IntComparableWith<signed long>(10));
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testType<unsigned long>(IntComparableWith<unsigned long>(10));
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testType<int>(IntComparableWith<int>(10));
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testType<int>(int(10));
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testType<int>(unsigned(10));
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testType<unsigned>(unsigned(10));
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testType<unsigned>(int(10));
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testType<unsigned>(IntComparableWith<unsigned>(10));
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testType<short>(short(10));
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testType<short>(IntComparableWith<short>(10));
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testType<unsigned short>(IntComparableWith<unsigned short>(10));
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return true;
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}
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int main(int, char**) {
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test();
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static_assert(test());
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return 0;
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}
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