forked from OSchip/llvm-project
305 lines
11 KiB
C++
305 lines
11 KiB
C++
// RUN: %python %S/check_clang_tidy.py %s modernize-replace-auto-ptr %t -- \
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// RUN: -std=c++11 -I %S/Inputs/modernize-replace-auto-ptr
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// CHECK-FIXES: #include <utility>
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#include "memory.h"
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// Instrumentation for auto_ptr_ref test.
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struct Base {};
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struct Derived : Base {};
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std::auto_ptr<Derived> create_derived_ptr();
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: auto_ptr is deprecated, use unique_ptr instead [modernize-replace-auto-ptr]
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// CHECK-FIXES: std::unique_ptr<Derived> create_derived_ptr();
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// Test function return values (declaration)
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std::auto_ptr<char> f_5();
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<char> f_5()
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// Test function parameters.
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void f_6(std::auto_ptr<int>);
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// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: auto_ptr is deprecated
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// CHECK-FIXES: void f_6(std::unique_ptr<int>);
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void f_7(const std::auto_ptr<int> &);
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// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: auto_ptr is deprecated
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// CHECK-FIXES: void f_7(const std::unique_ptr<int> &);
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// Test on record type fields.
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struct A {
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std::auto_ptr<int> field;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> field;
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typedef std::auto_ptr<int> int_ptr_type;
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// CHECK-MESSAGES: :[[@LINE-1]]:16: warning: auto_ptr is deprecated
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// CHECK-FIXES: typedef std::unique_ptr<int> int_ptr_type;
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};
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// FIXME: Test template WITH instantiation.
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template <typename T> struct B {
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typedef typename std::auto_ptr<T> created_type;
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// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: auto_ptr is deprecated
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// CHECK-FIXES: typedef typename std::unique_ptr<T> created_type;
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created_type create() { return std::auto_ptr<T>(new T()); }
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// CHECK-MESSAGES: :[[@LINE-1]]:39: warning: auto_ptr is deprecated
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// CHECK-FIXES: created_type create() { return std::unique_ptr<T>(new T()); }
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};
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// Test 'using' in a namespace (declaration)
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namespace ns_1 {
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// Test multiple using declarations.
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using std::auto_ptr;
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// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: auto_ptr is deprecated
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// CHECK-FIXES: using std::unique_ptr;
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using std::auto_ptr;
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// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: auto_ptr is deprecated
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// CHECK-FIXES: using std::unique_ptr;
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}
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namespace ns_2 {
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template <typename T> struct auto_ptr {};
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}
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void f_1() {
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std::auto_ptr<int> a;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> a;
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// Check that spaces aren't modified unnecessarily.
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std:: auto_ptr <int> b;
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// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: auto_ptr is deprecated
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// CHECK-FIXES: std:: unique_ptr <int> b;
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std :: auto_ptr < char > c(new char());
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// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: auto_ptr is deprecated
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// CHECK-FIXES: std :: unique_ptr < char > c(new char());
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// Test construction from a temporary.
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std::auto_ptr<char> d = std::auto_ptr<char>();
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-2]]:32: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<char> d = std::unique_ptr<char>();
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typedef std::auto_ptr<int> int_ptr_t;
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// CHECK-MESSAGES: :[[@LINE-1]]:16: warning: auto_ptr is deprecated
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// CHECK-FIXES: typedef std::unique_ptr<int> int_ptr_t;
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int_ptr_t e(new int());
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// Test pointers.
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std::auto_ptr<int> *f;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> *f;
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// Test 'static' declarations.
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static std::auto_ptr<int> g;
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// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: auto_ptr is deprecated
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// CHECK-FIXES: static std::unique_ptr<int> g;
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// Test with cv-qualifiers.
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const std::auto_ptr<int> h;
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// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: auto_ptr is deprecated
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// CHECK-FIXES: const std::unique_ptr<int> h;
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volatile std::auto_ptr<int> i;
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// CHECK-MESSAGES: :[[@LINE-1]]:17: warning: auto_ptr is deprecated
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// CHECK-FIXES: volatile std::unique_ptr<int> i;
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const volatile std::auto_ptr<int> j;
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// CHECK-MESSAGES: :[[@LINE-1]]:23: warning: auto_ptr is deprecated
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// CHECK-FIXES: const volatile std::unique_ptr<int> j;
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// Test auto and initializer-list.
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auto k = std::auto_ptr<int>{};
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// CHECK-MESSAGES: :[[@LINE-1]]:17: warning: auto_ptr is deprecated
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// CHECK-FIXES: auto k = std::unique_ptr<int>{};
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std::auto_ptr<int> l{std::auto_ptr<int>()};
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-2]]:29: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> l{std::unique_ptr<int>()};
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// Test interlocked auto_ptr.
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std::auto_ptr<std::auto_ptr<int> > m;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-2]]:22: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<std::unique_ptr<int> > m;
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// Test temporaries.
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std::auto_ptr<char>();
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<char>();
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// Test void-specialization.
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std::auto_ptr<void> n;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<void> n;
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// Test template WITH instantiation (instantiation).
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B<double> o;
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std::auto_ptr<double> p(o.create());
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<double> p(o.create());
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// Test 'using' in a namespace ("definition").
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ns_1::auto_ptr<int> q;
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// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: auto_ptr is deprecated
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// CHECK-FIXES: ns_1::unique_ptr<int> q;
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// Test construction with an 'auto_ptr_ref'.
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std::auto_ptr<Base> r(create_derived_ptr());
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<Base> r(create_derived_ptr());
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}
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// Test without the nested name specifiers.
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void f_2() {
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using namespace std;
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auto_ptr<int> a;
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: auto_ptr is deprecated
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// CHECK-FIXES: unique_ptr<int> a;
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}
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// Test using declaration.
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void f_3() {
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using std::auto_ptr;
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// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: auto_ptr is deprecated
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// CHECK-FIXES: using std::unique_ptr;
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auto_ptr<int> a;
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: auto_ptr is deprecated
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// CHECK-FIXES: unique_ptr<int> a;
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}
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// Test messing-up with macros.
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void f_4() {
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#define MACRO_1 <char>
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std::auto_ptr MACRO_1 p(new char());
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr MACRO_1 p(new char());
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#define MACRO_2 auto_ptr
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// CHECK-MESSAGES: :[[@LINE-1]]:17: warning: auto_ptr is deprecated
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// CHECK-FIXES: #define MACRO_2 unique_ptr
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std::MACRO_2<int> q;
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#define MACRO_3(Type) std::auto_ptr<Type>
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// CHECK-MESSAGES: :[[@LINE-1]]:28: warning: auto_ptr is deprecated
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// CHECK-FIXES: #define MACRO_3(Type) std::unique_ptr<Type>
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MACRO_3(float)r(new float());
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#define MACRO_4 std::auto_ptr
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// CHECK-MESSAGES: :[[@LINE-1]]:22: warning: auto_ptr is deprecated
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// CHECK-FIXES: #define MACRO_4 std::unique_ptr
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using MACRO_4;
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#undef MACRO_1
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#undef MACRO_2
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#undef MACRO_3
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#undef MACRO_4
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}
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// Test function return values (definition).
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std::auto_ptr<char> f_5()
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<char> f_5()
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{
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// Test constructor.
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return std::auto_ptr<char>(new char());
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// CHECK-MESSAGES: :[[@LINE-1]]:15: warning: auto_ptr is deprecated
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// CHECK-FIXES: return std::unique_ptr<char>(new char());
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}
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// Test that non-std auto_ptr aren't replaced.
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void f_8() {
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ns_2::auto_ptr<char> a;
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using namespace ns_2;
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auto_ptr<int> b;
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}
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// Fail to modify when the template is never instantiated.
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//
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// This might not be an issue. If it's never used it doesn't really matter if
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// it's changed or not. If it's a header and one of the source use it, then it
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// will still be changed.
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template <typename X>
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void f() {
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std::auto_ptr<X> p;
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}
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// FIXME: Alias template could be replaced if a matcher existed.
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namespace std {
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template <typename T> using aaaaaaaa = auto_ptr<T>;
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}
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// We want to avoid replacing 'aaaaaaaa' by unique_ptr here. It's better to
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// change the type alias directly.
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std::aaaaaaaa<int> d;
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void takes_ownership_fn(std::auto_ptr<int> x);
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: auto_ptr is deprecated
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// CHECK-FIXES: void takes_ownership_fn(std::unique_ptr<int> x);
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std::auto_ptr<int> get_by_value();
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> get_by_value();
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class Wrapper {
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public:
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std::auto_ptr<int> &get_wrapped();
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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private:
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std::auto_ptr<int> wrapped;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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};
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void f() {
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std::auto_ptr<int> a, b, c;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> a, b, c;
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Wrapper wrapper_a, wrapper_b;
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a = b;
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// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use std::move to transfer ownership
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// CHECK-FIXES: a = std::move(b);
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wrapper_a.get_wrapped() = wrapper_b.get_wrapped();
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// CHECK-MESSAGES: :[[@LINE-1]]:29: warning: use std::move to transfer ownership
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// CHECK-FIXES: wrapper_a.get_wrapped() = std::move(wrapper_b.get_wrapped());
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// Test that 'std::move()' is inserted when call to the
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// copy-constructor are made.
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takes_ownership_fn(c);
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// CHECK-MESSAGES: :[[@LINE-1]]:22: warning: use std::move to transfer ownership
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// CHECK-FIXES: takes_ownership_fn(std::move(c));
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takes_ownership_fn(wrapper_a.get_wrapped());
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// CHECK-MESSAGES: :[[@LINE-1]]:22: warning: use std::move to transfer ownership
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// CHECK-FIXES: takes_ownership_fn(std::move(wrapper_a.get_wrapped()));
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std::auto_ptr<int> d[] = { std::auto_ptr<int>(new int(1)),
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std::auto_ptr<int>(new int(2)) };
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// CHECK-MESSAGES: :[[@LINE-2]]:8: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-3]]:35: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-3]]:35: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> d[] = { std::unique_ptr<int>(new int(1)),
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// CHECK-FIXES-NEXT: std::unique_ptr<int>(new int(2)) };
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std::auto_ptr<int> e = d[0];
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-MESSAGES: :[[@LINE-2]]:26: warning: use std::move to transfer ownership
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// CHECK: std::unique_ptr<int> e = std::move(d[0]);
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// Test that std::move() is not used when assigning an rvalue
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std::auto_ptr<int> f;
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> f;
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f = std::auto_ptr<int>(new int(0));
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// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: auto_ptr is deprecated
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// CHECK-NEXT: f = std::unique_ptr<int>(new int(0));
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std::auto_ptr<int> g = get_by_value();
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// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: auto_ptr is deprecated
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// CHECK-FIXES: std::unique_ptr<int> g = get_by_value();
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}
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