109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
// IACore-OSS; The Core Library for All IA Open Source Projects
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// Copyright (C) 2026 IAS (ias@iasoft.dev)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <IACore/DataOps.hpp>
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#include <IACore/IATest.hpp>
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using namespace IACore;
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IAT_BEGIN_BLOCK(Core, DataOps)
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auto test_crc32() -> bool
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{
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{
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const String s = "123456789";
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const Span<const u8> span(reinterpret_cast<const u8 *>(s.data()), s.size());
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const u32 result = DataOps::crc32(span);
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IAT_CHECK_EQ(result, 0xE3069283);
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}
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{
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const u32 result = DataOps::crc32({});
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IAT_CHECK_EQ(result, 0U);
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}
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{
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Vec<u8> buffer(33);
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for (usize i = 1; i < 33; ++i)
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{
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buffer[i] = static_cast<u8>(i);
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}
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Vec<u8> ref_data(32);
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for (usize i = 0; i < 32; ++i)
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{
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ref_data[i] = static_cast<u8>(i + 1);
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}
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const u32 hash_ref = DataOps::crc32(Span<const u8>(ref_data.data(), ref_data.size()));
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const u32 hash_unaligned = DataOps::crc32(Span<const u8>(buffer.data() + 1, 32));
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IAT_CHECK_EQ(hash_ref, hash_unaligned);
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}
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return true;
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}
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auto test_hash_xxhash() -> bool
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{
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{
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const String s = "123456789";
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const u32 result = DataOps::hash_xxhash(s);
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IAT_CHECK_EQ(result, 0x937bad67);
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}
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{
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const String s = "The quick brown fox jumps over the lazy dog";
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const u32 result = DataOps::hash_xxhash(s);
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IAT_CHECK_EQ(result, 0xE85EA4DE);
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}
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{
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const String s = "Test";
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const u32 r1 = DataOps::hash_xxhash(s);
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const u32 r2 = DataOps::hash_xxhash(Span<const u8>(reinterpret_cast<const u8 *>(s.data()), s.size()));
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IAT_CHECK_EQ(r1, r2);
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}
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return true;
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}
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auto test_hash_fnv1a() -> bool
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{
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{
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const String s = "123456789";
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const u32 result = DataOps::hash_fnv1a(Span<const u8>(reinterpret_cast<const u8 *>(s.data()), s.size()));
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IAT_CHECK_EQ(result, 0xbb86b11c);
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}
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{
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const u32 result = DataOps::hash_fnv1a(Span<const u8>{});
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IAT_CHECK_EQ(result, 0x811C9DC5);
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}
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return true;
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}
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IAT_BEGIN_TEST_LIST()
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IAT_ADD_TEST(test_crc32);
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IAT_ADD_TEST(test_hash_fnv1a);
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IAT_ADD_TEST(test_hash_xxhash);
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IAT_END_TEST_LIST()
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IAT_END_BLOCK()
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IAT_REGISTER_ENTRY(Core, DataOps) |