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/*
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This file is part of Magnum.
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <Corrade/Containers/Array.h>
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#include <Corrade/TestSuite/Tester.h>
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#include <Corrade/Utility/Endianness.h>
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#include "MeshTools/CompressIndices.h"
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namespace Magnum { namespace MeshTools { namespace Test {
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class CompressIndicesTest: public TestSuite::Tester {
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public:
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CompressIndicesTest();
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void compressChar();
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void compressShort();
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void compressInt();
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};
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CompressIndicesTest::CompressIndicesTest() {
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addTests({&CompressIndicesTest::compressChar,
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&CompressIndicesTest::compressShort,
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&CompressIndicesTest::compressInt});
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}
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void CompressIndicesTest::compressChar() {
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std::size_t indexCount;
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Mesh::IndexType indexType;
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Containers::Array<char> data;
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std::tie(indexCount, indexType, data) = MeshTools::compressIndices(
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std::vector<UnsignedInt>{1, 2, 3, 0, 4});
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CORRADE_COMPARE(indexCount, 5);
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CORRADE_VERIFY(indexType == Mesh::IndexType::UnsignedByte);
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CORRADE_COMPARE(std::vector<char>(data.begin(), data.end()),
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(std::vector<char>{ 0x01, 0x02, 0x03, 0x00, 0x04 }));
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}
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void CompressIndicesTest::compressShort() {
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std::size_t indexCount;
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Mesh::IndexType indexType;
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Containers::Array<char> data;
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std::tie(indexCount, indexType, data) = MeshTools::compressIndices(
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std::vector<UnsignedInt>{1, 256, 0, 5});
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CORRADE_COMPARE(indexCount, 4);
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CORRADE_VERIFY(indexType == Mesh::IndexType::UnsignedShort);
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if(!Utility::Endianness::isBigEndian()) {
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CORRADE_COMPARE(std::vector<char>(data.begin(), data.end()),
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(std::vector<char>{ 0x01, 0x00,
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0x00, 0x01,
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0x00, 0x00,
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0x05, 0x00 }));
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} else {
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CORRADE_COMPARE(std::vector<char>(data.begin(), data.end()),
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(std::vector<char>{ 0x00, 0x01,
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0x01, 0x00,
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0x00, 0x00,
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0x00, 0x05 }));
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}
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}
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void CompressIndicesTest::compressInt() {
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std::size_t indexCount;
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Mesh::IndexType indexType;
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Containers::Array<char> data;
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std::tie(indexCount, indexType, data) = MeshTools::compressIndices(
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std::vector<UnsignedInt>{65536, 3, 2});
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CORRADE_COMPARE(indexCount, 3);
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CORRADE_VERIFY(indexType == Mesh::IndexType::UnsignedInt);
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if(!Utility::Endianness::isBigEndian()) {
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CORRADE_COMPARE(std::vector<char>(data.begin(), data.end()),
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(std::vector<char>{ 0x00, 0x00, 0x01, 0x00,
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0x03, 0x00, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00 }));
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} else {
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CORRADE_COMPARE(std::vector<char>(data.begin(), data.end()),
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(std::vector<char>{ 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x02 }));
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}
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}
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}}}
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CORRADE_TEST_MAIN(Magnum::MeshTools::Test::CompressIndicesTest)
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