1232 bool IsSubstringPred(const char* needle, const char* haystack) {  in IsSubstringPred()  argument
1233   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1234     return needle == haystack;  in IsSubstringPred()
1236   return strstr(haystack, needle) != NULL;  in IsSubstringPred()
1239 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {  in IsSubstringPred()  argument
1240   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1241     return needle == haystack;  in IsSubstringPred()
1243   return wcsstr(haystack, needle) != NULL;  in IsSubstringPred()
1248 bool IsSubstringPred(const StringType& needle,  in IsSubstringPred()  argument
1250   return haystack.find(needle) != StringType::npos;  in IsSubstringPred()
1261     const StringType& needle, const StringType& haystack) {  in IsSubstringImpl()  argument
1262   if (IsSubstringPred(needle, haystack) == expected_to_be_substring)  in IsSubstringImpl()
1265   const bool is_wide_string = sizeof(needle[0]) > 1;  in IsSubstringImpl()
1269       << "  Actual: " << begin_string_quote << needle << "\"\n"  in IsSubstringImpl()
1283     const char* needle, const char* haystack) {  in IsSubstring()  argument
1284   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1289     const wchar_t* needle, const wchar_t* haystack) {  in IsSubstring()  argument
1290   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1295     const char* needle, const char* haystack) {  in IsNotSubstring()  argument
1296   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1301     const wchar_t* needle, const wchar_t* haystack) {  in IsNotSubstring()  argument
1302   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1307     const ::std::string& needle, const ::std::string& haystack) {  in IsSubstring()
1308   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1313     const ::std::string& needle, const ::std::string& haystack) {  in IsNotSubstring()
1314   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1320     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsSubstring()
1321   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1326     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsNotSubstring()
1327   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()