performance-noexcept-move-constructor.cpp
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// RUN: %check_clang_tidy %s performance-noexcept-move-constructor %t
class A {
A(A &&);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: move constructors should be marked noexcept [performance-noexcept-move-constructor]
A &operator=(A &&);
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: move assignment operators should
};
struct B {
static constexpr bool kFalse = false;
B(B &&) noexcept(kFalse);
// CHECK-MESSAGES: :[[@LINE-1]]:20: warning: noexcept specifier on the move constructor evaluates to 'false' [performance-noexcept-move-constructor]
};
class OK {};
void f() {
OK a;
a = OK();
}
class OK1 {
public:
OK1();
OK1(const OK1 &);
OK1(OK1 &&) noexcept;
OK1 &operator=(OK1 &&) noexcept;
void f();
void g() noexcept;
};
class OK2 {
static constexpr bool kTrue = true;
public:
OK2(OK2 &&) noexcept(true) {}
OK2 &operator=(OK2 &&) noexcept(kTrue) { return *this; }
};
struct OK3 {
OK3(OK3 &&) noexcept(false) {}
OK3 &operator=(OK3 &&) = delete;
};
struct OK4 {
OK4(OK4 &&) noexcept = default;
OK4 &operator=(OK4 &&) noexcept = default;
};
struct OK5 {
OK5(OK5 &&) noexcept(true) = default;
OK5 &operator=(OK5 &&) noexcept(true) = default;
};