| 1 | // RUN: %check_clang_tidy %s cppcoreguidelines-pro-type-member-init,hicpp-member-init,modernize-use-emplace,hicpp-use-emplace %t |
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| 2 | |
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| 3 | namespace std { |
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| 4 | |
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| 5 | template <typename T> |
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| 6 | class vector { |
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| 7 | public: |
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| 8 | void push_back(const T &) {} |
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| 9 | void push_back(T &&) {} |
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| 10 | |
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| 11 | template <typename... Args> |
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| 12 | void emplace_back(Args &&... args){}; |
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| 13 | }; |
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| 14 | } // namespace std |
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| 15 | |
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| 16 | class Foo { |
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| 17 | public: |
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| 18 | Foo() : _num1(0) |
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| 19 | // CHECK-MESSAGES: warning: constructor does not initialize these fields: _num2 [cppcoreguidelines-pro-type-member-init,hicpp-member-init] |
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| 20 | { |
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| 21 | _num1 = 10; |
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| 22 | } |
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| 23 | |
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| 24 | int use_the_members() const { |
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| 25 | return _num1 + _num2; |
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| 26 | } |
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| 27 | |
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| 28 | private: |
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| 29 | int _num1; |
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| 30 | int _num2; |
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| 31 | // CHECK-FIXES: _num2{}; |
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| 32 | }; |
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| 33 | |
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| 34 | int should_use_emplace(std::vector<Foo> &v) { |
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| 35 | v.push_back(Foo()); |
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| 36 | // CHECK-FIXES: v.emplace_back(); |
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| 37 | // CHECK-MESSAGES: warning: use emplace_back instead of push_back [hicpp-use-emplace,modernize-use-emplace] |
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| 38 | } |
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| 39 | |
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| 40 | |
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