diff --git a/test/util/TestIntrusiveForwardList.cxx b/test/util/TestIntrusiveForwardList.cxx new file mode 100644 index 000000000..d06684009 --- /dev/null +++ b/test/util/TestIntrusiveForwardList.cxx @@ -0,0 +1,78 @@ +/* + * Copyright 2022 Max Kellermann + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "util/IntrusiveForwardList.hxx" + +#include + +#include + +namespace { + +struct CharItem final : IntrusiveForwardListHook { + char ch; + + constexpr CharItem(char _ch) noexcept:ch(_ch) {} +}; + +static std::string +ToString(const IntrusiveForwardList &list) noexcept +{ + std::string result; + for (const auto &i : list) + result.push_back(i.ch); + return result; +} + +} // anonymous namespace + +TEST(IntrusiveForwardList, Basic) +{ + using Item = CharItem; + + Item items[]{'a', 'b', 'c'}; + + IntrusiveForwardList list; + ASSERT_EQ(ToString(list), ""); + list.reverse(); + ASSERT_EQ(ToString(list), ""); + + for (auto &i : items) + list.push_front(i); + + ASSERT_EQ(ToString(list), "cba"); + + list.reverse(); + ASSERT_EQ(ToString(list), "abc"); + + list.pop_front(); + ASSERT_EQ(ToString(list), "bc"); + list.reverse(); + ASSERT_EQ(ToString(list), "cb"); +} diff --git a/test/util/meson.build b/test/util/meson.build index 23ebab3b9..d69c2f3b3 100644 --- a/test/util/meson.build +++ b/test/util/meson.build @@ -5,6 +5,7 @@ test( 'TestCircularBuffer.cxx', 'TestDivideString.cxx', 'TestException.cxx', + 'TestIntrusiveForwardList.cxx', 'TestIntrusiveList.cxx', 'TestMimeType.cxx', 'TestSplitString.cxx',