f1087e81ec
git-subtree-dir: third_party/unordered_dense git-subtree-split: 231e48c9426bd21c273669e5fdcd042c146975cf
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#include <ankerl/unordered_dense.h>
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#include <app/doctest.h>
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#include <cstddef> // for size_t
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#include <string> // for allocator, string, operator==
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#include <utility> // for pair, move
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#include <vector> // for vector
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struct regular_type {
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// cppcheck-suppress passedByValue
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regular_type(std::size_t i, std::string s) noexcept
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: m_s(std::move(s))
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, m_i(i) {}
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friend auto operator==(const regular_type& r1, const regular_type& r2) -> bool {
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return r1.m_i == r2.m_i && r1.m_s == r2.m_s;
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}
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private:
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std::string m_s;
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std::size_t m_i;
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};
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TYPE_TO_STRING_MAP(std::string, regular_type);
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TEST_CASE_MAP("try_emplace", std::string, regular_type) {
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map_t map;
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auto ret = map.try_emplace("a", 1U, "b");
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REQUIRE(ret.second);
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REQUIRE(ret.first == map.find("a"));
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REQUIRE(ret.first->second == regular_type(1U, "b"));
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REQUIRE(map.size() == 1);
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ret = map.try_emplace("c", 2U, "d");
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REQUIRE(ret.second);
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REQUIRE(ret.first == map.find("c"));
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REQUIRE(ret.first->second == regular_type(2U, "d"));
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REQUIRE(map.size() == 2U);
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std::string key = "c";
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ret = map.try_emplace(key, 3U, "dd");
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REQUIRE_FALSE(ret.second);
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REQUIRE(ret.first == map.find("c"));
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REQUIRE(ret.first->second == regular_type(2U, "d"));
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REQUIRE(map.size() == 2U);
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key = "a";
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regular_type value(3U, "dd");
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ret = map.try_emplace(key, value);
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REQUIRE_FALSE(ret.second);
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REQUIRE(ret.first == map.find("a"));
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REQUIRE(ret.first->second == regular_type(1U, "b"));
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REQUIRE(map.size() == 2U);
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auto pos = map.try_emplace(map.end(), "e", 67U, "f");
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REQUIRE(pos == map.find("e"));
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REQUIRE(pos->second == regular_type(67U, "f"));
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REQUIRE(map.size() == 3U);
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key = "e";
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regular_type value2(66U, "ff");
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pos = map.try_emplace(map.begin(), key, value2);
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REQUIRE(pos == map.find("e"));
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REQUIRE(pos->second == regular_type(67U, "f"));
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REQUIRE(map.size() == 3U);
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}
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