1253 bool IsSubstringPred(const char* needle, const char* haystack) {  in IsSubstringPred()  argument
1254   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1255     return needle == haystack;  in IsSubstringPred()
1257   return strstr(haystack, needle) != NULL;  in IsSubstringPred()
1260 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {  in IsSubstringPred()  argument
1261   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1262     return needle == haystack;  in IsSubstringPred()
1264   return wcsstr(haystack, needle) != NULL;  in IsSubstringPred()
1269 bool IsSubstringPred(const StringType& needle,  in IsSubstringPred()  argument
1271   return haystack.find(needle) != StringType::npos;  in IsSubstringPred()
1282     const StringType& needle, const StringType& haystack) {  in IsSubstringImpl()  argument
1283   if (IsSubstringPred(needle, haystack) == expected_to_be_substring)  in IsSubstringImpl()
1286   const bool is_wide_string = sizeof(needle[0]) > 1;  in IsSubstringImpl()
1291       << "  Actual: " << begin_string_quote << needle << "\"\n"  in IsSubstringImpl()
1305     const char* needle, const char* haystack) {  in IsSubstring()  argument
1306   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1311     const wchar_t* needle, const wchar_t* haystack) {  in IsSubstring()  argument
1312   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1317     const char* needle, const char* haystack) {  in IsNotSubstring()  argument
1318   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1323     const wchar_t* needle, const wchar_t* haystack) {  in IsNotSubstring()  argument
1324   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1329     const ::std::string& needle, const ::std::string& haystack) {  in IsSubstring()
1330   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1335     const ::std::string& needle, const ::std::string& haystack) {  in IsNotSubstring()
1336   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1342     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsSubstring()
1343   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1348     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsNotSubstring()
1349   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()