1231 bool IsSubstringPred(const char* needle, const char* haystack) {  in IsSubstringPred()  argument
1232   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1233     return needle == haystack;  in IsSubstringPred()
1235   return strstr(haystack, needle) != NULL;  in IsSubstringPred()
1238 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {  in IsSubstringPred()  argument
1239   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1240     return needle == haystack;  in IsSubstringPred()
1242   return wcsstr(haystack, needle) != NULL;  in IsSubstringPred()
1247 bool IsSubstringPred(const StringType& needle,  in IsSubstringPred()  argument
1249   return haystack.find(needle) != StringType::npos;  in IsSubstringPred()
1260     const StringType& needle, const StringType& haystack) {  in IsSubstringImpl()  argument
1261   if (IsSubstringPred(needle, haystack) == expected_to_be_substring)  in IsSubstringImpl()
1264   const bool is_wide_string = sizeof(needle[0]) > 1;  in IsSubstringImpl()
1268       << "  Actual: " << begin_string_quote << needle << "\"\n"  in IsSubstringImpl()
1282     const char* needle, const char* haystack) {  in IsSubstring()  argument
1283   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1288     const wchar_t* needle, const wchar_t* haystack) {  in IsSubstring()  argument
1289   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1294     const char* needle, const char* haystack) {  in IsNotSubstring()  argument
1295   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1300     const wchar_t* needle, const wchar_t* haystack) {  in IsNotSubstring()  argument
1301   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1306     const ::std::string& needle, const ::std::string& haystack) {  in IsSubstring()
1307   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1312     const ::std::string& needle, const ::std::string& haystack) {  in IsNotSubstring()
1313   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1319     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsSubstring()
1320   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1325     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsNotSubstring()
1326   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()