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util/IntrusiveList: add method splice()

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This commit is contained in:
Max Kellermann
2022-11-10 15:57:12 +01:00
parent b78d6c9dd7
commit 84fd401d21
2 changed files with 91 additions and 1 deletions
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56
test/util/TestIntrusiveList.cxx
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@@ -1,5 +1,5 @@
/*
* Copyright 2020-2021 Max Kellermann <max.kellermann@gmail.com>
* Copyright 2020-2022 Max Kellermann <max.kellermann@gmail.com>
* All rights reserved.
*
* author: Max Kellermann <mk@cm4all.com>
@@ -89,6 +89,60 @@ TEST(IntrusiveList, Basic)
ASSERT_EQ(i, list.begin());
--i;
ASSERT_EQ(i, list.end());
IntrusiveList<Item> other_list;
Item d, e, f, g;
other_list.push_back(d);
other_list.push_back(e);
other_list.push_back(f);
other_list.push_back(g);
list.splice(std::next(list.begin()), other_list,
other_list.iterator_to(e),
other_list.iterator_to(g), 2);
i = other_list.begin();
ASSERT_EQ(&*i, &d);
++i;
ASSERT_EQ(&*i, &g);
++i;
ASSERT_EQ(i, other_list.end());
++i;
ASSERT_EQ(&*i, &d);
--i;
ASSERT_EQ(i, other_list.end());
--i;
ASSERT_EQ(&*i, &g);
--i;
ASSERT_EQ(&*i, &d);
ASSERT_EQ(i, other_list.begin());
i = list.begin();
ASSERT_EQ(&*i, &a);
++i;
ASSERT_EQ(&*i, &e);
++i;
ASSERT_EQ(&*i, &f);
++i;
ASSERT_EQ(&*i, &c);
++i;
ASSERT_EQ(i, list.end());
++i;
ASSERT_EQ(&*i, &a);
--i;
ASSERT_EQ(i, list.end());
--i;
ASSERT_EQ(&*i, &c);
--i;
ASSERT_EQ(&*i, &f);
--i;
ASSERT_EQ(&*i, &e);
--i;
ASSERT_EQ(&*i, &a);
ASSERT_EQ(i, list.begin());
--i;
ASSERT_EQ(i, list.end());
}
TEST(IntrusiveList, SafeLink)