llvm-project/clang-tools-extra/test/clang-tidy/readability-redundant-decla...

71 lines
1.8 KiB
C++

// RUN: %check_clang_tidy %s readability-redundant-declaration %t -- \
// RUN: -config="{CheckOptions: \
// RUN: [{key: readability-redundant-declaration.IgnoreMacros, \
// RUN: value: 0}]}" \
// RUN: -- -std=c++11
extern int Xyz;
extern int Xyz; // Xyz
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'Xyz' declaration [readability-redundant-declaration]
// CHECK-FIXES: {{^}}// Xyz{{$}}
int Xyz = 123;
extern int A;
extern int A, B;
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'A' declaration
// CHECK-FIXES: {{^}}extern int A, B;{{$}}
extern int Buf[10];
extern int Buf[10]; // Buf[10]
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'Buf' declaration
// CHECK-FIXES: {{^}}// Buf[10]{{$}}
static int f();
static int f(); // f
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'f' declaration
// CHECK-FIXES: {{^}}// f{{$}}
static int f() {}
// Original check crashed for the code below.
namespace std {
typedef decltype(sizeof(0)) size_t;
}
void *operator new(std::size_t) __attribute__((__externally_visible__));
void *operator new[](std::size_t) __attribute__((__externally_visible__));
// Don't warn about static member definition.
struct C {
static int I;
};
int C::I;
template <class T>
struct C2 {
C2();
};
template <class T>
C2<T>::C2() = default;
void best_friend();
struct Friendly {
friend void best_friend();
friend void enemy();
};
void enemy();
namespace macros {
#define DECLARE(x) extern int x
#define DEFINE(x) extern int x; int x = 42
DECLARE(test);
DEFINE(test);
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: redundant 'test' declaration
// CHECK-FIXES: {{^}}#define DECLARE(x) extern int x{{$}}
// CHECK-FIXES: {{^}}#define DEFINE(x) extern int x; int x = 42{{$}}
// CHECK-FIXES: {{^}}DECLARE(test);{{$}}
// CHECK-FIXES: {{^}}DEFINE(test);{{$}}
} // namespace macros