ladybird/AK/Tests/TestNonnullRefPtr.cpp

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#include <AK/TestSuite.h>
#include <AK/NonnullRefPtr.h>
#include <AK/AKString.h>
struct Object : public RefCounted<Object> {
int x;
};
TEST_CASE(basics)
{
auto object = adopt(*new Object);
EXPECT(object.ptr() != nullptr);
EXPECT_EQ(object->ref_count(), 1);
object->ref();
EXPECT_EQ(object->ref_count(), 2);
object->deref();
EXPECT_EQ(object->ref_count(), 1);
{
NonnullRefPtr another = object;
EXPECT_EQ(object->ref_count(), 2);
}
EXPECT_EQ(object->ref_count(), 1);
}
TEST_CASE(assign_reference)
{
auto object = adopt(*new Object);
EXPECT_EQ(object->ref_count(), 1);
object = *object;
EXPECT_EQ(object->ref_count(), 1);
}
TEST_MAIN(String)