1 | // RUN: %check_clang_tidy %s readability-redundant-string-cstr %t |
2 | |
3 | namespace std { |
4 | template <typename T> |
5 | class allocator {}; |
6 | template <typename T> |
7 | class char_traits {}; |
8 | template <typename C, typename T, typename A> |
9 | struct basic_string { |
10 | basic_string(); |
11 | // MSVC headers define two constructors instead of using optional arguments. |
12 | basic_string(const C *p); |
13 | basic_string(const C *p, const A &a); |
14 | const C *c_str() const; |
15 | const C *data() const; |
16 | }; |
17 | typedef basic_string<char, std::char_traits<char>, std::allocator<char>> string; |
18 | } |
19 | namespace llvm { |
20 | struct StringRef { |
21 | StringRef(const char *p); |
22 | StringRef(const std::string &); |
23 | }; |
24 | } |
25 | |
26 | void f1(const std::string &s) { |
27 | f1(s: s.c_str()); |
28 | // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: redundant call to 'c_str' [readability-redundant-string-cstr] |
29 | // CHECK-FIXES: {{^ }}f1(s);{{$}} |
30 | f1(s: s.data()); |
31 | // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: redundant call to 'data' [readability-redundant-string-cstr] |
32 | // CHECK-FIXES: {{^ }}f1(s);{{$}} |
33 | } |
34 | void f2(const llvm::StringRef r) { |
35 | std::string s; |
36 | f2(r: s.c_str()); |
37 | // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: redundant call {{.*}} |
38 | // CHECK-FIXES: {{^ }}std::string s;{{$}} |
39 | // CHECK-FIXES-NEXT: {{^ }}f2(s);{{$}} |
40 | } |
41 | void f3(const llvm::StringRef &r) { |
42 | std::string s; |
43 | f3(r: s.c_str()); |
44 | // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: redundant call {{.*}} |
45 | // CHECK-FIXES: {{^ }}std::string s;{{$}} |
46 | // CHECK-FIXES-NEXT: {{^ }}f3(s);{{$}} |
47 | } |
48 | |