2673                                 const char* needle_expr,  in IsSubstringImpl()  argument
2683          << "Value of: " << needle_expr << "\n"  in IsSubstringImpl()
2696 AssertionResult IsSubstring(const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
2698   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
2701 AssertionResult IsSubstring(const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
2703   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
2706 AssertionResult IsNotSubstring(const char* needle_expr,  in IsNotSubstring()  argument
2709   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
2712 AssertionResult IsNotSubstring(const char* needle_expr,  in IsNotSubstring()  argument
2715   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
2718 AssertionResult IsSubstring(const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
2721   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
2724 AssertionResult IsNotSubstring(const char* needle_expr,  in IsNotSubstring()  argument
2728   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
2732 AssertionResult IsSubstring(const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
2735   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
2738 AssertionResult IsNotSubstring(const char* needle_expr,  in IsNotSubstring()  argument
2742   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()