| // RUN: %check_clang_tidy %s bugprone-unused-raii %t -- -- -fno-delayed-template-parsing |
| |
| struct Foo { |
| Foo(); |
| Foo(int); |
| Foo(int, int); |
| ~Foo(); |
| }; |
| |
| struct Bar { |
| Bar(); |
| }; |
| |
| struct FooBar { |
| FooBar(); |
| Foo f; |
| }; |
| |
| template <typename T> |
| void qux() { |
| T(42); |
| } |
| |
| template <typename T> |
| struct TFoo { |
| TFoo(T); |
| ~TFoo(); |
| }; |
| |
| Foo f(); |
| |
| struct Ctor { |
| Ctor(int); |
| Ctor() { |
| Ctor(0); // TODO: warn here. |
| } |
| }; |
| |
| template <typename T> |
| void templ() { |
| T(); |
| } |
| |
| template <typename T> |
| void neverInstantiated() { |
| T(); |
| } |
| |
| struct CtorDefaultArg { |
| CtorDefaultArg(int i = 0); |
| ~CtorDefaultArg(); |
| }; |
| |
| template <typename T> |
| struct TCtorDefaultArg { |
| TCtorDefaultArg(T i = 0); |
| ~TCtorDefaultArg(); |
| }; |
| |
| struct CtorTwoDefaultArg { |
| CtorTwoDefaultArg(int i = 0, bool b = false); |
| ~CtorTwoDefaultArg(); |
| }; |
| |
| template <typename T> |
| void templatetest() { |
| TCtorDefaultArg<T>(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name; |
| TCtorDefaultArg<T>{}; |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name; |
| |
| TCtorDefaultArg<T>(T{}); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name(T{}); |
| TCtorDefaultArg<T>{T{}}; |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name{T{}}; |
| |
| int i = 0; |
| (void)i; |
| } |
| |
| void test() { |
| Foo(42); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: Foo give_me_a_name(42); |
| Foo(23, 42); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: Foo give_me_a_name(23, 42); |
| Foo(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: Foo give_me_a_name; |
| TFoo<int>(23); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TFoo<int> give_me_a_name(23); |
| |
| FooBar(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: FooBar give_me_a_name; |
| |
| Foo{42}; |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: Foo give_me_a_name{42}; |
| FooBar{}; |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: FooBar give_me_a_name; |
| |
| CtorDefaultArg(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: CtorDefaultArg give_me_a_name; |
| |
| CtorTwoDefaultArg(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: CtorTwoDefaultArg give_me_a_name; |
| |
| TCtorDefaultArg<int>(); |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<int> give_me_a_name; |
| |
| TCtorDefaultArg<int>{}; |
| // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object? |
| // CHECK-FIXES: TCtorDefaultArg<int> give_me_a_name; |
| |
| templ<FooBar>(); |
| templ<Bar>(); |
| |
| Bar(); |
| f(); |
| qux<Foo>(); |
| |
| #define M Foo(); |
| M |
| |
| { |
| Foo(); |
| } |
| Foo(); |
| } |