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AK: Add HashMap::update()

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This updates a HashMap by copying another HashMap's keys and values.
This commit is contained in:
Jelle Raaijmakers 2025-07-25 12:47:11 +02:00 • committed by Jelle Raaijmakers
parent 76ee1ce04c
commit 0b96690f0c
Notes: github-actions[bot] 2025-07-25 14:23:37 +00:00
2 changed files with 32 additions and 0 deletions
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26
Tests/AK/TestHashMap.cpp
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@ -327,3 +327,29 @@ TEST_CASE(move_assign)
EXPECT_EQ(second.size(), static_cast<size_t>(3));
EXPECT_EQ(second.get(2), Optional<int>(20));
}
TEST_CASE(update)
{
HashMap<int, int> first;
HashMap<int, int> second;
first.set(1, 10);
first.set(2, 20);
second.set(1, 9);
second.set(3, 30);
second.set(4, 40);
first.update(second);
EXPECT_EQ(4u, first.size());
EXPECT_EQ(3u, second.size());
EXPECT_EQ(9, first.get(1));
EXPECT_EQ(20, first.get(2));
EXPECT_EQ(30, first.get(3));
EXPECT_EQ(40, first.get(4));
second.update(first);
EXPECT_EQ(4u, second.size());
}