forked from OSchip/llvm-project
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
// RUN: %check_clang_tidy %s modernize-shrink-to-fit %t
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namespace std {
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template <typename T> struct vector { void swap(vector &other); };
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}
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void f() {
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std::vector<int> v;
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std::vector<int>(v).swap(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should be used to reduce the capacity of a shrinkable container [modernize-shrink-to-fit]
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// CHECK-FIXES: {{^ }}v.shrink_to_fit();{{$}}
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std::vector<int> &vref = v;
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std::vector<int>(vref).swap(vref);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}vref.shrink_to_fit();{{$}}
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std::vector<int> *vptr = &v;
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std::vector<int>(*vptr).swap(*vptr);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}vptr->shrink_to_fit();{{$}}
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}
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struct X {
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std::vector<int> v;
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void f() {
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std::vector<int>(v).swap(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}v.shrink_to_fit();{{$}}
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std::vector<int> *vptr = &v;
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std::vector<int>(*vptr).swap(*vptr);
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// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}vptr->shrink_to_fit();{{$}}
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}
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};
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template <typename T> void g() {
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std::vector<int> v;
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std::vector<int>(v).swap(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}v.shrink_to_fit();{{$}}
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std::vector<T> v2;
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std::vector<T>(v2).swap(v2);
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// CHECK-FIXES: {{^ }}std::vector<T>(v2).swap(v2);{{$}}
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}
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template <typename T> void g2() {
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std::vector<int> v;
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std::vector<int>(v).swap(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}v.shrink_to_fit();{{$}}
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T v3;
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T(v3).swap(v3);
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// CHECK-FIXES: {{^ }}T(v3).swap(v3);{{$}}
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}
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#define COPY_AND_SWAP_INT_VEC(x) std::vector<int>(x).swap(x)
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// CHECK-FIXES: #define COPY_AND_SWAP_INT_VEC(x) std::vector<int>(x).swap(x)
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void h() {
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g<int>();
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g<double>();
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g<bool>();
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g2<std::vector<int>>();
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std::vector<int> v;
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COPY_AND_SWAP_INT_VEC(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}COPY_AND_SWAP_INT_VEC(v);{{$}}
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}
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void PR38315() {
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typedef std::vector<int> Vector;
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Vector v;
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Vector(v).swap(v);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}v.shrink_to_fit();{{$}}
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using Vector2 = std::vector<int>;
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Vector2 v2;
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Vector2(v2).swap(v2);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: the shrink_to_fit method should
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// CHECK-FIXES: {{^ }}v2.shrink_to_fit();{{$}}
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}
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