llvm-project/clang-tools-extra/test/clang-tidy/readability-container-size-...

107 lines
3.3 KiB
C++

// RUN: $(dirname %s)/check_clang_tidy.sh %s readability-container-size-empty %t
// REQUIRES: shell
namespace std {
template <typename T> struct vector {
vector() {}
int size() const {}
bool empty() const {}
};
}
int main() {
std::vector<int> vect;
if (vect.size() == 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used to check for emptiness instead of 'size'. [readability-container-size-empty]
// CHECK-FIXES: {{^ }}if (vect.empty()){{$}}
if (vect.size() != 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (0 == vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:12: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect.empty()){{$}}
if (0 != vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:12: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (vect.size() > 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (0 < vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:11: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (vect.size() < 1)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect.empty()){{$}}
if (1 > vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:11: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect.empty()){{$}}
if (vect.size() >= 1)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (1 <= vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:12: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (!vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:8: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect.empty()){{$}}
if (vect.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect.empty()){{$}}
if (vect.empty())
;
const std::vector<int> vect2;
if (vect2.size() != 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!vect2.empty()){{$}}
std::vector<int> *vect3 = new std::vector<int>();
if (vect3->size() == 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect3->empty()){{$}}
delete vect3;
const std::vector<int> &vect4 = vect2;
if (vect4.size() == 0)
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (vect4.empty()){{$}}
}
#define CHECKSIZE(x) if (x.size())
// CHECK-FIXES: #define CHECKSIZE(x) if (x.size())
template <typename T> void f() {
std::vector<T> v;
if (v.size())
;
// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: The 'empty' method should be used
// CHECK-FIXES: {{^ }}if (!v.empty()){{$}}
// CHECK-FIXES-NEXT: ;
CHECKSIZE(v);
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: The 'empty' method should be used
// CHECK-MESSAGES: CHECKSIZE(v);
}
void g() {
f<int>();
f<double>();
f<char *>();
}