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https://github.com/jart/cosmopolitan.git
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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// -*- mode:c++; indent-tabs-mode:nil; c-basic-offset:4; coding:utf-8 -*-
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// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
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//
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// Copyright 2024 Justine Alexandra Roberts Tunney
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//
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// Permission to use, copy, modify, and/or distribute this software for
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// any purpose with or without fee is hereby granted, provided that the
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// above copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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// AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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// DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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// PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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#include "ctl/advance.h"
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#include "ctl/array.h"
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#include "libc/mem/leaks.h"
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// #include <array>
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// #include <iterator>
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// #define ctl std
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int
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main()
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{
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ctl::array<int, 5> arr = { 1, 2, 3, 4, 5 };
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// Test advancing forward
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auto it = arr.begin();
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ctl::advance(it, 2);
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if (*it != 3)
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return 1;
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// Test advancing to the end
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ctl::advance(it, 2);
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if (it != arr.end() - 1)
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return 2;
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// Test advancing backward
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ctl::advance(it, -2);
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if (*it != 3)
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return 3;
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// Test advancing by zero
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ctl::advance(it, 0);
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if (*it != 3)
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return 4;
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// Test advancing to the beginning
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ctl::advance(it, -2);
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if (it != arr.begin())
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return 5;
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CheckForMemoryLeaks();
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}
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