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util/Intrusive{List,HashSet}: add "tag" for base hooks

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This commit is contained in:
Max Kellermann
2023-10-13 18:00:28 +02:00
committed by Max Kellermann
parent 57d9cffc42
commit 10940da381
4 changed files with 135 additions and 7 deletions
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45
test/util/TestIntrusiveList.cxx
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@@ -166,6 +166,51 @@ TEST(IntrusiveList, AutoUnlink)
ASSERT_TRUE(b.is_linked());
}
TEST(IntrusiveList, Tag)
{
struct A {};
struct B {};
struct TaggedItem
: public IntrusiveListHook<IntrusiveHookMode::NORMAL, A>,
public IntrusiveListHook<IntrusiveHookMode::NORMAL, B> {};
TaggedItem one, two;
IntrusiveList<TaggedItem, IntrusiveListBaseHookTraits<TaggedItem, A>> a;
IntrusiveList<TaggedItem, IntrusiveListBaseHookTraits<TaggedItem, B>> b;
EXPECT_TRUE(a.empty());
EXPECT_TRUE(b.empty());
a.push_back(one);
a.push_back(two);
EXPECT_FALSE(a.empty());
EXPECT_TRUE(b.empty());
b.push_back(one);
EXPECT_FALSE(a.empty());
EXPECT_FALSE(b.empty());
a.clear();
EXPECT_TRUE(a.empty());
EXPECT_FALSE(b.empty());
a.push_back(two);
a.push_back(one);
EXPECT_FALSE(a.empty());
EXPECT_FALSE(b.empty());
b.erase(b.iterator_to(one));
EXPECT_FALSE(a.empty());
EXPECT_TRUE(b.empty());
}
TEST(IntrusiveList, Merge)
{
using Item = CharItem<IntrusiveHookMode::NORMAL>;