// basic_string<charT,traits,Allocator>&
// insert(size_type pos1, const basic_string<charT,traits,Allocator>& str,
-// size_type pos2, size_type n);
+// size_type pos2, size_type n=npos);
+// the "=npos" was added in C++14
#include <string>
#include <stdexcept>
}
template <class S>
+void
+test_npos(S s, typename S::size_type pos1, S str, typename S::size_type pos2, S expected)
+{
+ typename S::size_type old_size = s.size();
+ S s0 = s;
+ try
+ {
+ s.insert(pos1, str, pos2);
+ assert(s.__invariants());
+ assert(pos1 <= old_size && pos2 <= str.size());
+ assert(s == expected);
+ }
+ catch (std::out_of_range&)
+ {
+ assert(pos1 > old_size || pos2 > str.size());
+ assert(s == s0);
+ }
+}
+
+
+template <class S>
void test0()
{
test(S(""), 0, S(""), 0, 0, S(""));
test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 21, 0, S("can't happen"));
}
+template <class S>
+void test30()
+{
+ test_npos(S(""), 0, S("12345678901234567890"), 0, S("12345678901234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 1, S( "2345678901234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 2, S( "345678901234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 3, S( "45678901234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 5, S( "678901234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 10, S( "1234567890"));
+ test_npos(S(""), 0, S("12345678901234567890"), 21, S("can't happen"));
+ test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, S("abcdefghij12345klmnopqrst"));
+ test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, S("abcdefghij2345klmnopqrst"));
+ test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 3, S("abcdefghij45klmnopqrst"));
+ test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, S("abcdefghijklmnopqrst"));
+ test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 6, S("can't happen"));
+}
+
int main()
{
{
test27<S>();
test28<S>();
test29<S>();
+ test30<S>();
}
#if __cplusplus >= 201103L
{
test27<S>();
test28<S>();
test29<S>();
+ test30<S>();
}
#endif
}