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70 lines
2.0 KiB
70 lines
2.0 KiB
/* |
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* Copyright (C) 2017 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 <stdint.h> |
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#include <string.h> |
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#include <vector> |
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#include <gtest/gtest.h> |
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#include <unwindstack/Memory.h> |
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namespace unwindstack { |
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TEST(MemoryLocalTest, read) { |
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std::vector<uint8_t> src(1024); |
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memset(src.data(), 0x4c, 1024); |
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MemoryLocal local; |
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std::vector<uint8_t> dst(1024); |
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ASSERT_TRUE(local.Read(reinterpret_cast<uint64_t>(src.data()), dst.data(), 1024)); |
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ASSERT_EQ(0, memcmp(src.data(), dst.data(), 1024)); |
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for (size_t i = 0; i < 1024; i++) { |
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ASSERT_EQ(0x4cU, dst[i]); |
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} |
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memset(src.data(), 0x23, 512); |
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ASSERT_TRUE(local.Read(reinterpret_cast<uint64_t>(src.data()), dst.data(), 1024)); |
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ASSERT_EQ(0, memcmp(src.data(), dst.data(), 1024)); |
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for (size_t i = 0; i < 512; i++) { |
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ASSERT_EQ(0x23U, dst[i]); |
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} |
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for (size_t i = 512; i < 1024; i++) { |
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ASSERT_EQ(0x4cU, dst[i]); |
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} |
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} |
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TEST(MemoryLocalTest, read_illegal) { |
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MemoryLocal local; |
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std::vector<uint8_t> dst(100); |
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ASSERT_FALSE(local.Read(0, dst.data(), 1)); |
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ASSERT_FALSE(local.Read(0, dst.data(), 100)); |
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} |
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TEST(MemoryLocalTest, read_overflow) { |
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MemoryLocal local; |
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// On 32 bit this test doesn't necessarily cause an overflow. The 64 bit |
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// version will always go through the overflow check. |
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std::vector<uint8_t> dst(100); |
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uint64_t value; |
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ASSERT_FALSE(local.Read(reinterpret_cast<uint64_t>(&value), dst.data(), SIZE_MAX)); |
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} |
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} // namespace unwindstack
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