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// RUN: %check_clang_tidy %s readability-redundant-string-init %t
namespace std {
template <typename T>
class allocator {};
template <typename T>
class char_traits {};
template <typename C, typename T = std::char_traits<C>, typename A = std::allocator<C>>
struct basic_string {
basic_string();
basic_string(const basic_string&);
// MSVC headers define two constructors instead of using optional arguments.
basic_string(const C *);
basic_string(const C *, const A &);
~basic_string();
};
typedef basic_string<char> string;
typedef basic_string<wchar_t> wstring;
}
void f() {
std::string a = "";
// CHECK-MESSAGES: [[@LINE-1]]:15: warning: redundant string initialization [readability-redundant-string-init]
// CHECK-FIXES: std::string a;
std::string b("");
// CHECK-MESSAGES: [[@LINE-1]]:15: warning: redundant string initialization
// CHECK-FIXES: std::string b;
std::string c = R"()";
// CHECK-MESSAGES: [[@LINE-1]]:15: warning: redundant string initialization
// CHECK-FIXES: std::string c;
std::string d(R"()");
// CHECK-MESSAGES: [[@LINE-1]]:15: warning: redundant string initialization
// CHECK-FIXES: std::string d;
std::string u = "u";
std::string w("w");
std::string x = R"(x)";
std::string y(R"(y)");
std::string z;
}
void g() {
std::wstring a = L"";
// CHECK-MESSAGES: [[@LINE-1]]:16: warning: redundant string initialization
// CHECK-FIXES: std::wstring a;
std::wstring b(L"");
// CHECK-MESSAGES: [[@LINE-1]]:16: warning: redundant string initialization
// CHECK-FIXES: std::wstring b;
std::wstring c = LR"()";
// CHECK-MESSAGES: [[@LINE-1]]:16: warning: redundant string initialization
// CHECK-FIXES: std::wstring c;
std::wstring d(LR"()");
// CHECK-MESSAGES: [[@LINE-1]]:16: warning: redundant string initialization
// CHECK-FIXES: std::wstring d;
std::wstring u = L"u";
std::wstring w(L"w");
std::wstring x = LR"(x)";
std::wstring y(LR"(y)");
std::wstring z;
}
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