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OwnPtr: Add a way to turn an OwnPtr into a NonnullOwnPtr

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Okay, so, OwnPtr<T>::release_nonnull() returns a NonnullOwnPtr<T>.
It assumes that the OwnPtr is non-null to begin with.

Note that this removes the value from the OwnPtr, as there can only be
a single owner.
This commit is contained in:
Andreas Kling 2019-08-14 11:02:49 +02:00
parent 99ed4ce30c
commit f75b1127b2
2 changed files with 23 additions and 0 deletions
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17
AK/Tests/TestVector.cpp
View file

@ -1,6 +1,7 @@
#include <AK/TestSuite.h>
#include <AK/AKString.h>
#include <AK/NonnullOwnPtrVector.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
@ -252,4 +253,20 @@ TEST_CASE(vector_remove)
EXPECT_EQ(ints[0], 4);
}
TEST_CASE(nonnullownptrvector)
{
struct Object {
String string;
};
NonnullOwnPtrVector<Object> objects;
objects.append(make<Object>());
EXPECT_EQ(objects.size(), 1);
OwnPtr<Object> o = make<Object>();
objects.append(o.release_nonnull());
EXPECT(o == nullptr);
EXPECT_EQ(objects.size(), 2);
}
TEST_MAIN(Vector)