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