1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "memory_region.h" 18 19 #include "gtest/gtest.h" 20 21 namespace art { 22 23 TEST(MemoryRegion, LoadUnaligned) { 24 const size_t n = 8; 25 uint8_t data[n] = { 0, 1, 2, 3, 4, 5, 6, 7 }; 26 MemoryRegion region(&data, n); 27 28 ASSERT_EQ(0, region.LoadUnaligned<char>(0)); 29 ASSERT_EQ(1u 30 + (2u << kBitsPerByte) 31 + (3u << 2 * kBitsPerByte) 32 + (4u << 3 * kBitsPerByte), 33 region.LoadUnaligned<uint32_t>(1)); 34 ASSERT_EQ(5 + (6 << kBitsPerByte), region.LoadUnaligned<int16_t>(5)); 35 ASSERT_EQ(7u, region.LoadUnaligned<unsigned char>(7)); 36 } 37 38 TEST(MemoryRegion, StoreUnaligned) { 39 const size_t n = 8; 40 uint8_t data[n] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 41 MemoryRegion region(&data, n); 42 43 region.StoreUnaligned<unsigned char>(0u, 7); 44 region.StoreUnaligned<int16_t>(1, 6 + (5 << kBitsPerByte)); 45 region.StoreUnaligned<uint32_t>(3, 46 4u 47 + (3u << kBitsPerByte) 48 + (2u << 2 * kBitsPerByte) 49 + (1u << 3 * kBitsPerByte)); 50 region.StoreUnaligned<char>(7, 0); 51 52 uint8_t expected[n] = { 7, 6, 5, 4, 3, 2, 1, 0 }; 53 for (size_t i = 0; i < n; ++i) { 54 ASSERT_EQ(expected[i], data[i]); 55 } 56 } 57 58 } // namespace art 59
