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