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// RUN: %check_clang_tidy %s readability-string-compare %t -- -config='{CheckOptions: {readability-string-compare.StringLikeClasses: "CustomStringTemplateBase;CustomStringNonTemplateBase"}}' -- -isystem %clang_tidy_headers
#include <string>
struct CustomStringNonTemplateBase {
int compare(const CustomStringNonTemplateBase& Other) const {
return 123; // value is not important for check
}
};
template <typename T>
struct CustomStringTemplateBase {
int compare(const CustomStringTemplateBase& Other) const {
return 123;
}
};
struct CustomString1 : CustomStringNonTemplateBase {};
struct CustomString2 : CustomStringTemplateBase<char> {};
void CustomStringClasses() {
std::string_view sv1("a");
std::string_view sv2("b");
if (sv1.compare(sv2)) { // No warning - if a std class is not listed in StringLikeClasses, it won't be checked.
}
CustomString1 custom1;
if (custom1.compare(custom1)) {
}
// CHECK-MESSAGES: [[@LINE-2]]:7: warning: do not use 'compare' to test equality of strings; use the string equality operator instead [readability-string-compare]
CustomString2 custom2;
if (custom2.compare(custom2)) {
}
// CHECK-MESSAGES: [[@LINE-2]]:7: warning: do not use 'compare' to test equality of strings; use the string equality operator instead [readability-string-compare]
}
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