1 // RUN: %check_clang_tidy -std=c++20 %s modernize-use-nullptr %t 2 3 namespace std { 4 struct strong_ordering { 5 int n; operator intstd::strong_ordering6 constexpr operator int() const { return n; } 7 static const strong_ordering equal, greater, less; 8 }; 9 constexpr strong_ordering strong_ordering::equal = {0}; 10 constexpr strong_ordering strong_ordering::greater = {1}; 11 constexpr strong_ordering strong_ordering::less = {-1}; 12 } // namespace std 13 14 class A { 15 public: 16 auto operator<=>(const A &other) const = default; 17 }; 18 test_cxx_rewritten_binary_ops()19void test_cxx_rewritten_binary_ops() { 20 A a1, a2; 21 bool result; 22 // should not change next line to (a1 nullptr a2) 23 result = (a1 < a2); 24 // CHECK-FIXES: result = (a1 < a2); 25 // should not change next line to (a1 nullptr a2) 26 result = (a1 >= a2); 27 // CHECK-FIXES: result = (a1 >= a2); 28 int *ptr = 0; 29 // CHECK-FIXES: int *ptr = nullptr; 30 result = (a1 > (ptr == 0 ? a1 : a2)); 31 // CHECK-FIXES: result = (a1 > (ptr == nullptr ? a1 : a2)); 32 result = (a1 > ((a1 > (ptr == 0 ? a1 : a2)) ? a1 : a2)); 33 // CHECK-FIXES: result = (a1 > ((a1 > (ptr == nullptr ? a1 : a2)) ? a1 : a2)); 34 } 35