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59 lines
1.8 KiB
59 lines
1.8 KiB
4 months ago
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/*
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* Copyright (C) 2015 The Android Open Source Project
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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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*/
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#include "memory_region.h"
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#include "gtest/gtest.h"
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namespace art {
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TEST(MemoryRegion, LoadUnaligned) {
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const size_t n = 8;
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uint8_t data[n] = { 0, 1, 2, 3, 4, 5, 6, 7 };
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MemoryRegion region(&data, n);
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ASSERT_EQ(0, region.LoadUnaligned<char>(0));
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ASSERT_EQ(1u
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+ (2u << kBitsPerByte)
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+ (3u << 2 * kBitsPerByte)
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+ (4u << 3 * kBitsPerByte),
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region.LoadUnaligned<uint32_t>(1));
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ASSERT_EQ(5 + (6 << kBitsPerByte), region.LoadUnaligned<int16_t>(5));
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ASSERT_EQ(7u, region.LoadUnaligned<unsigned char>(7));
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}
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TEST(MemoryRegion, StoreUnaligned) {
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const size_t n = 8;
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uint8_t data[n] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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MemoryRegion region(&data, n);
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region.StoreUnaligned<unsigned char>(0u, 7);
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region.StoreUnaligned<int16_t>(1, 6 + (5 << kBitsPerByte));
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region.StoreUnaligned<uint32_t>(3,
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4u
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+ (3u << kBitsPerByte)
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+ (2u << 2 * kBitsPerByte)
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+ (1u << 3 * kBitsPerByte));
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region.StoreUnaligned<char>(7, 0);
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uint8_t expected[n] = { 7, 6, 5, 4, 3, 2, 1, 0 };
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for (size_t i = 0; i < n; ++i) {
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ASSERT_EQ(expected[i], data[i]);
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}
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}
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} // namespace art
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