3958f8060a
This cl includes the code to read arm unwind information from a shared library. Bug: 23762183 Test: Passes all unit tests. I can dump the arm unwind information Test: for an arm shared library. Change-Id: I43501ea2eab843b81de8bd5128401dd1971af8d3
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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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 "Memory.h"
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#include "MemoryFake.h"
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class MemoryRangeTest : public ::testing::Test {
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protected:
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void SetUp() override {
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memory_ = new MemoryFake;
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}
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MemoryFake* memory_;
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};
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TEST_F(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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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_F(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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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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}
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TEST_F(MemoryRangeTest, read_string_past_end) {
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std::string name("0123456789");
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memory_->SetMemory(0, name);
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// Verify a read past the range fails.
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MemoryRange range(memory_, 0, 5);
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std::string dst_name;
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ASSERT_FALSE(range.ReadString(0, &dst_name));
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}
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TEST_F(MemoryRangeTest, read_string_to_end) {
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std::string name("0123456789");
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memory_->SetMemory(30, name);
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// Verify the range going to the end of the string works.
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MemoryRange range(memory_, 30, 30 + name.size() + 1);
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std::string dst_name;
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ASSERT_TRUE(range.ReadString(0, &dst_name));
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ASSERT_EQ("0123456789", dst_name);
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}
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TEST_F(MemoryRangeTest, read_string_fencepost) {
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std::string name("0123456789");
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memory_->SetMemory(10, name);
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// Verify the range set to one byte less than the end of the string fails.
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MemoryRange range(memory_, 10, 10 + name.size());
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std::string dst_name;
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ASSERT_FALSE(range.ReadString(0, &dst_name));
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}
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