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AK: Make it possible to swap() a NonnullRefPtr with itself

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The generic swap() is not able to swap a NonnullRefPtr with itself,
due to its use of a temporary and NonnullRefPtr asserting when trying
to move() from an already move()'d instance.
This commit is contained in:
Andreas Kling 2020-01-19 10:29:21 +01:00
parent 604c5cb98e
commit 39b3c0ef7e
2 changed files with 13 additions and 0 deletions
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7
AK/Tests/TestNonnullRefPtr.cpp
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@ -73,4 +73,11 @@ TEST_CASE(assign_owner_of_self)
EXPECT_EQ(child->ref_count(), 1);
}
TEST_CASE(swap_with_self)
{
auto object = adopt(*new Object);
swap(object, object);
EXPECT_EQ(object->ref_count(), 1);
}
TEST_MAIN(String)