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