//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class InputIterator>
// basic_string& append(InputIterator first, InputIterator last);
#include <string>
#include <cassert>
#include "test_iterators.h"
#include "min_allocator.h"
template <class S, class It>
void
test(S s, It first, It last, S expected)
{
s.append(first, last);
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
template <class S, class It>
void
test_exceptions(S s, It first, It last)
{
S aCopy = s;
try {
s.append(first, last);
assert(false);
}
catch (...) {}
LIBCPP_ASSERT(s.__invariants());
assert(s == aCopy);
}
#endif
int main()
{
{
typedef std::string S;
const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
test(S(), s, s, S());
test(S(), s, s+1, S("A"));
test(S(), s, s+10, S("ABCDEFGHIJ"));
test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345"), s, s, S("12345"));
test(S("12345"), s, s+1, S("12345A"));
test(S("12345"), s, s+10, S("12345ABCDEFGHIJ"));
test(S("12345"), s, s+52, S("12345ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890"), s, s, S("1234567890"));
test(S("1234567890"), s, s+1, S("1234567890A"));
test(S("1234567890"), s, s+10, S("1234567890ABCDEFGHIJ"));
test(S("1234567890"), s, s+52, S("1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345678901234567890"), s, s, S("12345678901234567890"));
test(S("12345678901234567890"), s, s+1, S("12345678901234567890""A"));
test(S("12345678901234567890"), s, s+10, S("12345678901234567890""ABCDEFGHIJ"));
test(S("12345678901234567890"), s, s+52,
S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S());
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("ABCDEFGHIJ"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("12345"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("12345A"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("12345ABCDEFGHIJ"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("12345ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("1234567890"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("1234567890A"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("1234567890ABCDEFGHIJ"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("12345678901234567890"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("12345678901234567890""A"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("12345678901234567890""ABCDEFGHIJ"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
test(S(), s, s, S());
test(S(), s, s+1, S("A"));
test(S(), s, s+10, S("ABCDEFGHIJ"));
test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345"), s, s, S("12345"));
test(S("12345"), s, s+1, S("12345A"));
test(S("12345"), s, s+10, S("12345ABCDEFGHIJ"));
test(S("12345"), s, s+52, S("12345ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890"), s, s, S("1234567890"));
test(S("1234567890"), s, s+1, S("1234567890A"));
test(S("1234567890"), s, s+10, S("1234567890ABCDEFGHIJ"));
test(S("1234567890"), s, s+52, S("1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345678901234567890"), s, s, S("12345678901234567890"));
test(S("12345678901234567890"), s, s+1, S("12345678901234567890""A"));
test(S("12345678901234567890"), s, s+10, S("12345678901234567890""ABCDEFGHIJ"));
test(S("12345678901234567890"), s, s+52,
S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S());
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("ABCDEFGHIJ"));
test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("12345"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("12345A"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("12345ABCDEFGHIJ"));
test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("12345ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("1234567890"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("1234567890A"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("1234567890ABCDEFGHIJ"));
test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s),
S("12345678901234567890"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1),
S("12345678901234567890""A"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10),
S("12345678901234567890""ABCDEFGHIJ"));
test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
}
#endif
#ifndef TEST_HAS_NO_EXCEPTIONS
{ // test iterator operations that throw
typedef std::string S;
typedef ThrowingIterator<char> TIter;
typedef input_iterator<TIter> IIter;
const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
test_exceptions(S(), IIter(TIter(s, s+10, 4, TIter::TAIncrement)), IIter());
test_exceptions(S(), IIter(TIter(s, s+10, 5, TIter::TADereference)), IIter());
test_exceptions(S(), IIter(TIter(s, s+10, 6, TIter::TAComparison)), IIter());
test_exceptions(S(), TIter(s, s+10, 4, TIter::TAIncrement), TIter());
test_exceptions(S(), TIter(s, s+10, 5, TIter::TADereference), TIter());
test_exceptions(S(), TIter(s, s+10, 6, TIter::TAComparison), TIter());
}
#endif
{ // test appending to self
typedef std::string S;
S s_short = "123/";
S s_long = "Lorem ipsum dolor sit amet, consectetur/";
s_short.append(s_short.begin(), s_short.end());
assert(s_short == "123/123/");
s_short.append(s_short.begin(), s_short.end());
assert(s_short == "123/123/123/123/");
s_short.append(s_short.begin(), s_short.end());
assert(s_short == "123/123/123/123/123/123/123/123/");
s_long.append(s_long.begin(), s_long.end());
assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/");
}
{ // test appending a different type
typedef std::string S;
const uint8_t p[] = "ABCD";
S s;
s.append(p, p + 4);
assert(s == "ABCD");
}
{ // test with a move iterator that returns char&&
typedef forward_iterator<const char*> It;
typedef std::move_iterator<It> MoveIt;
const char p[] = "ABCD";
std::string s;
s.append(MoveIt(It(std::begin(p))), MoveIt(It(std::end(p) - 1)));
assert(s == "ABCD");
}
{ // test with a move iterator that returns char&&
typedef const char* It;
typedef std::move_iterator<It> MoveIt;
const char p[] = "ABCD";
std::string s;
s.append(MoveIt(It(std::begin(p))), MoveIt(It(std::end(p) - 1)));
assert(s == "ABCD");
}
}
