forked from OSchip/llvm-project
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// RUN: %check_clang_tidy %s abseil-string-find-startswith %t -- \
|
|
// RUN: -config="{CheckOptions: [{key: 'abseil-string-find-startswith.StringLikeClasses', value: '::std::basic_string;::basic_string'}]}"
|
|
|
|
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 &);
|
|
basic_string(const C *, const A &a = A());
|
|
~basic_string();
|
|
int find(basic_string<C> s, int pos = 0);
|
|
int find(const char *s, int pos = 0);
|
|
};
|
|
typedef basic_string<char> string;
|
|
typedef basic_string<wchar_t> wstring;
|
|
|
|
struct cxx_string {
|
|
int find(const char *s, int pos = 0);
|
|
};
|
|
} // namespace std
|
|
|
|
struct basic_string : public std::cxx_string {
|
|
basic_string();
|
|
};
|
|
typedef basic_string global_string;
|
|
|
|
std::string foo(std::string);
|
|
std::string bar();
|
|
|
|
#define A_MACRO(x, y) ((x) == (y))
|
|
|
|
void tests(std::string s, global_string s2) {
|
|
s.find("a") == 0;
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use absl::StartsWith instead of find() == 0 [abseil-string-find-startswith]
|
|
// CHECK-FIXES: {{^[[:space:]]*}}absl::StartsWith(s, "a");{{$}}
|
|
|
|
s.find(s) == 0;
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}absl::StartsWith(s, s);{{$}}
|
|
|
|
s.find("aaa") != 0;
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use !absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}!absl::StartsWith(s, "aaa");{{$}}
|
|
|
|
s.find(foo(foo(bar()))) != 0;
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use !absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}!absl::StartsWith(s, foo(foo(bar())));{{$}}
|
|
|
|
if (s.find("....") == 0) { /* do something */ }
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}if (absl::StartsWith(s, "....")) { /* do something */ }{{$}}
|
|
|
|
0 != s.find("a");
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use !absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}!absl::StartsWith(s, "a");{{$}}
|
|
|
|
s2.find("a") == 0;
|
|
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use absl::StartsWith
|
|
// CHECK-FIXES: {{^[[:space:]]*}}absl::StartsWith(s2, "a");{{$}}
|
|
|
|
// expressions that don't trigger the check are here.
|
|
A_MACRO(s.find("a"), 0);
|
|
s.find("a", 1) == 0;
|
|
s.find("a", 1) == 1;
|
|
s.find("a") == 1;
|
|
}
|