4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
90 lines
3.1 KiB
C++
90 lines
3.1 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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// basic_string<charT,traits,Allocator>&
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// append(const basic_string<charT,traits>& str, size_type pos, size_type n);
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#include <string>
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#include <stdexcept>
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#include <cassert>
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#include "../../min_allocator.h"
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template <class S>
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void
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test(S s, S str, typename S::size_type pos, typename S::size_type n, S expected)
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{
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try
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{
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s.append(str, pos, n);
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assert(s.__invariants());
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assert(pos <= str.size());
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assert(s == expected);
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}
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catch (std::out_of_range&)
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{
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assert(pos > str.size());
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}
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}
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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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test(S(), S(), 0, 0, S());
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test(S(), S(), 1, 0, S());
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test(S(), S("12345"), 0, 3, S("123"));
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test(S(), S("12345"), 1, 4, S("2345"));
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test(S(), S("12345"), 3, 15, S("45"));
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test(S(), S("12345"), 5, 15, S(""));
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test(S(), S("12345"), 6, 15, S("not happening"));
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test(S(), S("12345678901234567890"), 0, 0, S());
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test(S(), S("12345678901234567890"), 1, 1, S("2"));
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test(S(), S("12345678901234567890"), 2, 3, S("345"));
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test(S(), S("12345678901234567890"), 12, 13, S("34567890"));
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test(S(), S("12345678901234567890"), 21, 13, S("not happening"));
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test(S("12345"), S(), 0, 0, S("12345"));
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test(S("12345"), S("12345"), 2, 2, S("1234534"));
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test(S("12345"), S("1234567890"), 0, 100, S("123451234567890"));
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test(S("12345678901234567890"), S(), 0, 0, S("12345678901234567890"));
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test(S("12345678901234567890"), S("12345"), 1, 3, S("12345678901234567890234"));
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test(S("12345678901234567890"), S("12345678901234567890"), 5, 10,
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S("123456789012345678906789012345"));
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}
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#if __cplusplus >= 201103L
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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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test(S(), S(), 0, 0, S());
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test(S(), S(), 1, 0, S());
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test(S(), S("12345"), 0, 3, S("123"));
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test(S(), S("12345"), 1, 4, S("2345"));
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test(S(), S("12345"), 3, 15, S("45"));
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test(S(), S("12345"), 5, 15, S(""));
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test(S(), S("12345"), 6, 15, S("not happening"));
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test(S(), S("12345678901234567890"), 0, 0, S());
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test(S(), S("12345678901234567890"), 1, 1, S("2"));
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test(S(), S("12345678901234567890"), 2, 3, S("345"));
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test(S(), S("12345678901234567890"), 12, 13, S("34567890"));
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test(S(), S("12345678901234567890"), 21, 13, S("not happening"));
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test(S("12345"), S(), 0, 0, S("12345"));
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test(S("12345"), S("12345"), 2, 2, S("1234534"));
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test(S("12345"), S("1234567890"), 0, 100, S("123451234567890"));
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test(S("12345678901234567890"), S(), 0, 0, S("12345678901234567890"));
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test(S("12345678901234567890"), S("12345"), 1, 3, S("12345678901234567890234"));
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test(S("12345678901234567890"), S("12345678901234567890"), 5, 10,
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S("123456789012345678906789012345"));
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}
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#endif
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}
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