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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// void swap(basic_string& s);
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#include <string>
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#include <stdexcept>
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#include <algorithm>
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#include <cassert>
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#include "test_macros.h"
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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 s1, S s2)
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{
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S s1_ = s1;
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S s2_ = s2;
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s1.swap(s2);
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LIBCPP_ASSERT(s1.__invariants());
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LIBCPP_ASSERT(s2.__invariants());
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assert(s1 == s2_);
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assert(s2 == s1_);
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}
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int main(int, char**)
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{
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{
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typedef std::string S;
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test(S(""), S(""));
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test(S(""), S("12345"));
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test(S(""), S("1234567890"));
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test(S(""), S("12345678901234567890"));
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test(S("abcde"), S(""));
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test(S("abcde"), S("12345"));
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test(S("abcde"), S("1234567890"));
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test(S("abcde"), S("12345678901234567890"));
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test(S("abcdefghij"), S(""));
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test(S("abcdefghij"), S("12345"));
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test(S("abcdefghij"), S("1234567890"));
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test(S("abcdefghij"), S("12345678901234567890"));
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test(S("abcdefghijklmnopqrst"), S(""));
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test(S("abcdefghijklmnopqrst"), S("12345"));
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test(S("abcdefghijklmnopqrst"), S("1234567890"));
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test(S("abcdefghijklmnopqrst"), S("12345678901234567890"));
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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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test(S(""), S(""));
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test(S(""), S("12345"));
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test(S(""), S("1234567890"));
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test(S(""), S("12345678901234567890"));
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test(S("abcde"), S(""));
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test(S("abcde"), S("12345"));
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test(S("abcde"), S("1234567890"));
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test(S("abcde"), S("12345678901234567890"));
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test(S("abcdefghij"), S(""));
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test(S("abcdefghij"), S("12345"));
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test(S("abcdefghij"), S("1234567890"));
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test(S("abcdefghij"), S("12345678901234567890"));
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test(S("abcdefghijklmnopqrst"), S(""));
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test(S("abcdefghijklmnopqrst"), S("12345"));
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test(S("abcdefghijklmnopqrst"), S("1234567890"));
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test(S("abcdefghijklmnopqrst"), S("12345678901234567890"));
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}
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#endif
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return 0;
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}
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