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151b8b5984
Problem: - Constructors and conversion operators are not `constexpr`, but they can be. - `constexpr` is needed here so that other classes can add `constexpr` evaluation. Solution: - Add the `constexpr` keyword to the constructors and conversion operators. - Add `static_assert` tests which ensure the capability works.
39 lines
1.9 KiB
C++
39 lines
1.9 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/Endian.h>
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static_assert(BigEndian<u32> {} == 0, "Big endian values should be default constructed in a constexpr context.");
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static_assert(BigEndian<u32> { 42 } == 42, "Big endian values should be value constructed in a constexpr context.");
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static_assert(LittleEndian<u32> {} == 0, "Little endian values should be default constructed in a constexpr context.");
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static_assert(LittleEndian<u32> { 42 } == 42, "Little endian values should be value constructed in a constexpr context.");
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TEST_MAIN(Endian);
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