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