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// RUN: %check_clang_tidy %s misc-uniqueptr-reset-release %t
namespace std {
template <typename T>
struct default_delete {};
template <typename T, class Deleter = std::default_delete<T>>
struct unique_ptr {
unique_ptr();
explicit unique_ptr(T *);
template <typename U, typename E>
unique_ptr(unique_ptr<U, E> &&);
void reset(T *);
T *release();
};
} // namespace std
struct Foo {};
struct Bar : Foo {};
std::unique_ptr<Foo> Create();
std::unique_ptr<Foo> &Look();
std::unique_ptr<Foo> *Get();
using FooFunc = void (*)(Foo *);
using BarFunc = void (*)(Bar *);
void f() {
std::unique_ptr<Foo> a, b;
std::unique_ptr<Bar> c;
std::unique_ptr<Foo> *x = &a;
std::unique_ptr<Foo> *y = &b;
a.reset(b.release());
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: prefer ptr1 = std::move(ptr2) over ptr1.reset(ptr2.release()) [misc-uniqueptr-reset-release]
// CHECK-FIXES: a = std::move(b);
a.reset(c.release());
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: prefer ptr1 = std::move(ptr2)
// CHECK-FIXES: a = std::move(c);
a.reset(Create().release());
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: prefer ptr = ReturnUnique() over ptr.reset(ReturnUnique().release()) [misc-uniqueptr-reset-release]
// CHECK-FIXES: a = Create();
x->reset(y->release());
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: prefer ptr1 = std::move(ptr2)
// CHECK-FIXES: *x = std::move(*y);
Look().reset(Look().release());
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: prefer ptr1 = std::move(ptr2)
// CHECK-FIXES: Look() = std::move(Look());
Get()->reset(Get()->release());
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: prefer ptr1 = std::move(ptr2)
// CHECK-FIXES: *Get() = std::move(*Get());
std::unique_ptr<Bar, FooFunc> func_a, func_b;
func_a.reset(func_b.release());
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: prefer ptr1 = std::move(ptr2)
// CHECK-FIXES: func_a = std::move(func_b);
}
void negatives() {
std::unique_ptr<Foo> src;
struct OtherDeleter {};
std::unique_ptr<Foo, OtherDeleter> dest;
dest.reset(src.release());
std::unique_ptr<Bar, FooFunc> func_a;
std::unique_ptr<Bar, BarFunc> func_b;
func_a.reset(func_b.release());
}
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