91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (C) 2018 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 <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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class MemoryRangesTest : public ::testing::Test {
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protected:
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void SetUp() override {
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MemoryFake* memory = new MemoryFake;
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process_memory_.reset(memory);
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memory->SetMemoryBlock(1000, 5000, 0x15);
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memory->SetMemoryBlock(6000, 12000, 0x26);
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memory->SetMemoryBlock(14000, 20000, 0x37);
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memory->SetMemoryBlock(20000, 22000, 0x48);
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ranges_.reset(new MemoryRanges);
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ranges_->Insert(new MemoryRange(process_memory_, 15000, 100, 4000));
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ranges_->Insert(new MemoryRange(process_memory_, 10000, 2000, 2000));
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ranges_->Insert(new MemoryRange(process_memory_, 3000, 1000, 0));
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ranges_->Insert(new MemoryRange(process_memory_, 19000, 1000, 6000));
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ranges_->Insert(new MemoryRange(process_memory_, 20000, 1000, 7000));
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}
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std::shared_ptr<Memory> process_memory_;
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std::unique_ptr<MemoryRanges> ranges_;
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};
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TEST_F(MemoryRangesTest, read) {
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std::vector<uint8_t> dst(2000);
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size_t bytes = ranges_->Read(0, dst.data(), dst.size());
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ASSERT_EQ(1000UL, bytes);
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for (size_t i = 0; i < bytes; i++) {
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ASSERT_EQ(0x15U, dst[i]) << "Failed at byte " << i;
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}
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bytes = ranges_->Read(2000, dst.data(), dst.size());
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ASSERT_EQ(2000UL, bytes);
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for (size_t i = 0; i < bytes; i++) {
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ASSERT_EQ(0x26U, dst[i]) << "Failed at byte " << i;
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}
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bytes = ranges_->Read(4000, dst.data(), dst.size());
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ASSERT_EQ(100UL, bytes);
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for (size_t i = 0; i < bytes; i++) {
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ASSERT_EQ(0x37U, dst[i]) << "Failed at byte " << i;
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}
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}
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TEST_F(MemoryRangesTest, read_fail) {
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std::vector<uint8_t> dst(4096);
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ASSERT_EQ(0UL, ranges_->Read(1000, dst.data(), dst.size()));
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ASSERT_EQ(0UL, ranges_->Read(5000, dst.data(), dst.size()));
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ASSERT_EQ(0UL, ranges_->Read(8000, dst.data(), dst.size()));
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}
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TEST_F(MemoryRangesTest, read_across_ranges) {
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// The MemoryRanges object does not support reading across a range,
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// so this will only read in the first range.
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std::vector<uint8_t> dst(4096);
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size_t bytes = ranges_->Read(6000, dst.data(), dst.size());
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ASSERT_EQ(1000UL, bytes);
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for (size_t i = 0; i < bytes; i++) {
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ASSERT_EQ(0x37U, dst[i]) << "Failed at byte " << i;
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}
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}
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} // namespace unwindstack
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