================
@@ -0,0 +1,171 @@
+// RUN: %check_clang_tidy -std=c++17-or-later %s
performance-replace-with-string-view %t -- -- -I %S/Inputs
+
+namespace std {
+ template <typename CharT>
+ class basic_string_view {
+ public:
+ basic_string_view(const CharT *);
+ basic_string_view();
+ };
+ using string_view = basic_string_view<char>;
+ using wstring_view = basic_string_view<wchar_t>;
+ using u16string_view = basic_string_view<char16_t>;
+
+ template <typename CharT>
+ class basic_string {
+ public:
+ basic_string();
+ basic_string(const CharT *);
+ basic_string(basic_string_view<CharT>);
+
+ basic_string operator+(const basic_string &) const;
+ };
+ using string = basic_string<char>;
+ using wstring = basic_string<wchar_t>;
+ using u16string = basic_string<char16_t>;
+}
+
+// ==========================================================
+// Positive tests
+// ==========================================================
+
+std::string simpleLiteral() {
+// CHECK-MESSAGES:[[@LINE-1]]:1:
{{.*}}[performance-replace-with-string-view]{{.*}}
----------------
vbvictor wrote:
Please match full meaningful messages here, don't use `{{.*}}`.
We need to check that warning is produces with correct wording of "string_view"
like "wstring_view"
https://github.com/llvm/llvm-project/pull/172170
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