1234 bool IsSubstringPred(const char* needle, const char* haystack) {  in IsSubstringPred()  argument
1235   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1236     return needle == haystack;  in IsSubstringPred()
1238   return strstr(haystack, needle) != NULL;  in IsSubstringPred()
1241 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {  in IsSubstringPred()  argument
1242   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1243     return needle == haystack;  in IsSubstringPred()
1245   return wcsstr(haystack, needle) != NULL;  in IsSubstringPred()
1250 bool IsSubstringPred(const StringType& needle,  in IsSubstringPred()  argument
1252   return haystack.find(needle) != StringType::npos;  in IsSubstringPred()
1263     const StringType& needle, const StringType& haystack) {  in IsSubstringImpl()  argument
1264   if (IsSubstringPred(needle, haystack) == expected_to_be_substring)  in IsSubstringImpl()
1267   const bool is_wide_string = sizeof(needle[0]) > 1;  in IsSubstringImpl()
1271       << "  Actual: " << begin_string_quote << needle << "\"\n"  in IsSubstringImpl()
1285     const char* needle, const char* haystack) {  in IsSubstring()  argument
1286   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1291     const wchar_t* needle, const wchar_t* haystack) {  in IsSubstring()  argument
1292   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1297     const char* needle, const char* haystack) {  in IsNotSubstring()  argument
1298   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1303     const wchar_t* needle, const wchar_t* haystack) {  in IsNotSubstring()  argument
1304   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1309     const ::std::string& needle, const ::std::string& haystack) {  in IsSubstring()
1310   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1315     const ::std::string& needle, const ::std::string& haystack) {  in IsNotSubstring()
1316   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1322     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsSubstring()
1323   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1328     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsNotSubstring()
1329   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()