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81 lines
2.3 KiB
81 lines
2.3 KiB
/* |
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* Copyright (C) 2016 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 <vector> |
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#include <gtest/gtest.h> |
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#include <unwindstack/Memory.h> |
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#include "LogFake.h" |
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namespace unwindstack { |
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class MemoryBufferTest : public ::testing::Test { |
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protected: |
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void SetUp() override { |
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ResetLogs(); |
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memory_.reset(new MemoryBuffer); |
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} |
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std::unique_ptr<MemoryBuffer> memory_; |
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}; |
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TEST_F(MemoryBufferTest, empty) { |
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ASSERT_EQ(0U, memory_->Size()); |
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std::vector<uint8_t> buffer(1024); |
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ASSERT_FALSE(memory_->Read(0, buffer.data(), 1)); |
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ASSERT_EQ(nullptr, memory_->GetPtr(0)); |
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ASSERT_EQ(nullptr, memory_->GetPtr(1)); |
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} |
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TEST_F(MemoryBufferTest, write_read) { |
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memory_->Resize(256); |
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ASSERT_EQ(256U, memory_->Size()); |
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ASSERT_TRUE(memory_->GetPtr(0) != nullptr); |
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ASSERT_TRUE(memory_->GetPtr(1) != nullptr); |
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ASSERT_TRUE(memory_->GetPtr(255) != nullptr); |
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ASSERT_TRUE(memory_->GetPtr(256) == nullptr); |
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uint8_t* data = memory_->GetPtr(0); |
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for (size_t i = 0; i < memory_->Size(); i++) { |
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data[i] = i; |
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} |
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std::vector<uint8_t> buffer(memory_->Size()); |
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ASSERT_TRUE(memory_->Read(0, buffer.data(), buffer.size())); |
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for (size_t i = 0; i < buffer.size(); i++) { |
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ASSERT_EQ(i, buffer[i]) << "Failed at byte " << i; |
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} |
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} |
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TEST_F(MemoryBufferTest, read_failures) { |
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memory_->Resize(100); |
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std::vector<uint8_t> buffer(200); |
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ASSERT_FALSE(memory_->Read(0, buffer.data(), 101)); |
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ASSERT_FALSE(memory_->Read(100, buffer.data(), 1)); |
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ASSERT_FALSE(memory_->Read(101, buffer.data(), 2)); |
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ASSERT_FALSE(memory_->Read(99, buffer.data(), 2)); |
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ASSERT_TRUE(memory_->Read(99, buffer.data(), 1)); |
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} |
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TEST_F(MemoryBufferTest, read_failure_overflow) { |
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memory_->Resize(100); |
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std::vector<uint8_t> buffer(200); |
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ASSERT_FALSE(memory_->Read(UINT64_MAX - 100, buffer.data(), 200)); |
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} |
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} // namespace unwindstack
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