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ec4980e875
Also add a test that would fail to compile if quick_sort tries to copy anything :P
58 lines
2 KiB
C++
58 lines
2 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/TestSuite.h>
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#include <AK/Checked.h>
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#include <AK/Noncopyable.h>
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#include <AK/QuickSort.h>
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#include <AK/StdLibExtras.h>
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TEST_CASE(sorts_without_copy)
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{
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struct NoCopy {
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AK_MAKE_NONCOPYABLE(NoCopy);
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public:
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NoCopy() { }
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NoCopy(NoCopy&&) = default;
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NoCopy& operator=(NoCopy&&) = default;
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int value { 0 };
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};
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Array<NoCopy, 64> array;
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for (size_t i = 0; i < 64; ++i)
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array[i].value = (64 - i) % 32 + 32;
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quick_sort(array, [](auto& a, auto& b) { return a.value < b.value; });
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for (size_t i = 0; i < 63; ++i)
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EXPECT(array[i].value <= array[i + 1].value);
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}
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TEST_MAIN(QuickSort)
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