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76 lines
2.1 KiB
76 lines
2.1 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 <memory> |
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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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#include "MemoryFake.h" |
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namespace unwindstack { |
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TEST(MemoryRangeTest, read) { |
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std::vector<uint8_t> src(1024); |
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memset(src.data(), 0x4c, 1024); |
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MemoryFake* memory = new MemoryFake; |
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memory->SetMemory(9001, src); |
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MemoryRange range(memory, 9001, 9001 + src.size()); |
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std::vector<uint8_t> dst(1024); |
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ASSERT_TRUE(range.Read(0, dst.data(), src.size())); |
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for (size_t i = 0; i < 1024; i++) { |
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ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i; |
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} |
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} |
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TEST(MemoryRangeTest, read_near_limit) { |
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std::vector<uint8_t> src(4096); |
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memset(src.data(), 0x4c, 4096); |
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MemoryFake* memory = new MemoryFake; |
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memory->SetMemory(1000, src); |
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MemoryRange range(memory, 1000, 2024); |
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std::vector<uint8_t> dst(1024); |
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ASSERT_TRUE(range.Read(1020, dst.data(), 4)); |
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for (size_t i = 0; i < 4; i++) { |
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ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i; |
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} |
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// Verify that reads outside of the range will fail. |
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ASSERT_FALSE(range.Read(1020, dst.data(), 5)); |
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ASSERT_FALSE(range.Read(1024, dst.data(), 1)); |
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ASSERT_FALSE(range.Read(1024, dst.data(), 1024)); |
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// Verify that reading up to the end works. |
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ASSERT_TRUE(range.Read(1020, dst.data(), 4)); |
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} |
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TEST(MemoryRangeTest, read_overflow) { |
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std::vector<uint8_t> buffer(100); |
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std::unique_ptr<MemoryRange> overflow(new MemoryRange(new MemoryFakeAlwaysReadZero, 100, 200)); |
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ASSERT_FALSE(overflow->Read(UINT64_MAX - 10, buffer.data(), 100)); |
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} |
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} // namespace unwindstack
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