fuchsia-statically-constructed-objects.cpp
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// RUN: %check_clang_tidy %s fuchsia-statically-constructed-objects %t
// Trivial static is fine
static int i;
class ClassWithNoCtor {};
class ClassWithCtor {
public:
ClassWithCtor(int Val) : Val(Val) {}
private:
int Val;
};
class ClassWithConstexpr {
public:
ClassWithConstexpr(int Val1, int Val2) : Val(Val1) {}
constexpr ClassWithConstexpr(int Val) : Val(Val) {}
private:
int Val;
};
ClassWithNoCtor A;
ClassWithConstexpr C(0);
ClassWithConstexpr E(0, 1);
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: ClassWithConstexpr E(0, 1);
ClassWithCtor G(0);
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: ClassWithCtor G(0);
static ClassWithNoCtor A2;
static ClassWithConstexpr C2(0);
static ClassWithConstexpr E2(0, 1);
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: static ClassWithConstexpr E2(0, 1);
static ClassWithCtor G2(0);
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: static ClassWithCtor G2(0);
struct StructWithConstexpr { constexpr StructWithConstexpr(int Val) {} };
struct StructWithNoCtor {};
struct StructWithCtor { StructWithCtor(); };
StructWithNoCtor SNoCtor;
StructWithConstexpr SConstexpr(0);
StructWithCtor SCtor;
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: StructWithCtor SCtor;
static StructWithConstexpr SConstexpr2(0);
static StructWithNoCtor SNoCtor2;
static StructWithCtor SCtor2;
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: static StructWithCtor SCtor2;
extern StructWithCtor SCtor3;
class ClassWithStaticMember {
private:
static StructWithNoCtor S;
};
ClassWithStaticMember Z();
class S {
int Val;
public:
constexpr S(int i) : Val(100 / i) {}
int getVal() const { return Val; }
};
static S s1(1);
static S s2(0);
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: static S s2(0);
extern int get_i();
static S s3(get_i());
// CHECK-MESSAGES: [[@LINE-1]]:1: warning: static objects are disallowed; if possible, use a constexpr constructor instead [fuchsia-statically-constructed-objects]
// CHECK-MESSAGES-NEXT: static S s3(get_i());
void f() {
// Locally static is fine
static int i;
static ClassWithNoCtor A2;
static ClassWithConstexpr C2(0);
static ClassWithConstexpr E2(0, 1);
static ClassWithCtor G2(0);
}