1557 bool IsSubstringPred(const char* needle, const char* haystack) {  in IsSubstringPred()  argument
1558   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1559     return needle == haystack;  in IsSubstringPred()
1561   return strstr(haystack, needle) != NULL;  in IsSubstringPred()
1564 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {  in IsSubstringPred()  argument
1565   if (needle == NULL || haystack == NULL)  in IsSubstringPred()
1566     return needle == haystack;  in IsSubstringPred()
1568   return wcsstr(haystack, needle) != NULL;  in IsSubstringPred()
1573 bool IsSubstringPred(const StringType& needle,  in IsSubstringPred()  argument
1575   return haystack.find(needle) != StringType::npos;  in IsSubstringPred()
1586     const StringType& needle, const StringType& haystack) {  in IsSubstringImpl()  argument
1587   if (IsSubstringPred(needle, haystack) == expected_to_be_substring)  in IsSubstringImpl()
1590   const bool is_wide_string = sizeof(needle[0]) > 1;  in IsSubstringImpl()
1594       << "  Actual: " << begin_string_quote << needle << "\"\n"  in IsSubstringImpl()
1608     const char* needle, const char* haystack) {  in IsSubstring()  argument
1609   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1614     const wchar_t* needle, const wchar_t* haystack) {  in IsSubstring()  argument
1615   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1620     const char* needle, const char* haystack) {  in IsNotSubstring()  argument
1621   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1626     const wchar_t* needle, const wchar_t* haystack) {  in IsNotSubstring()  argument
1627   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1632     const ::std::string& needle, const ::std::string& haystack) {  in IsSubstring()
1633   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1638     const ::std::string& needle, const ::std::string& haystack) {  in IsNotSubstring()
1639   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
1645     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsSubstring()
1646   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
1651     const ::std::wstring& needle, const ::std::wstring& haystack) {  in IsNotSubstring()
1652   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()