You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
3.2 KiB
97 lines
3.2 KiB
/*
|
|
* Copyright (C) 2018 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <vector>
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include "LogFake.h"
|
|
#include "MemoryOfflineBuffer.h"
|
|
|
|
namespace unwindstack {
|
|
|
|
class MemoryOfflineBufferTest : public ::testing::Test {
|
|
protected:
|
|
void SetUp() override {
|
|
ResetLogs();
|
|
memory_.reset(new MemoryOfflineBuffer(buffer_.data(), kStart, kEnd));
|
|
}
|
|
|
|
static void SetUpTestSuite() {
|
|
buffer_.resize(kLength);
|
|
for (size_t i = 0; i < kLength; i++) {
|
|
buffer_[i] = i % 189;
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<MemoryOfflineBuffer> memory_;
|
|
|
|
static constexpr size_t kLength = 0x2000;
|
|
static constexpr uint64_t kStart = 0x1000;
|
|
static constexpr uint64_t kEnd = kStart + kLength;
|
|
static std::vector<uint8_t> buffer_;
|
|
};
|
|
|
|
std::vector<uint8_t> MemoryOfflineBufferTest::buffer_;
|
|
|
|
static void VerifyBuffer(uint8_t* buffer, size_t start_value, size_t length) {
|
|
for (size_t i = 0; i < length; i++) {
|
|
ASSERT_EQ((start_value + i) % 189, buffer[i]) << "Failed at byte " << i;
|
|
}
|
|
}
|
|
|
|
TEST_F(MemoryOfflineBufferTest, read_out_of_bounds) {
|
|
std::vector<uint8_t> buffer(1024);
|
|
ASSERT_FALSE(memory_->ReadFully(0, buffer.data(), 1));
|
|
ASSERT_FALSE(memory_->ReadFully(0xfff, buffer.data(), 1));
|
|
ASSERT_FALSE(memory_->ReadFully(0xfff, buffer.data(), 2));
|
|
ASSERT_FALSE(memory_->ReadFully(0x3000, buffer.data(), 1));
|
|
ASSERT_FALSE(memory_->ReadFully(0x3001, buffer.data(), 1));
|
|
}
|
|
|
|
TEST_F(MemoryOfflineBufferTest, read) {
|
|
std::vector<uint8_t> buffer(1024);
|
|
ASSERT_TRUE(memory_->ReadFully(kStart, buffer.data(), 10));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), 0, 10));
|
|
|
|
ASSERT_TRUE(memory_->ReadFully(kStart + 555, buffer.data(), 40));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), 555, 40));
|
|
|
|
ASSERT_TRUE(memory_->ReadFully(kStart + kLength - 105, buffer.data(), 105));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), kLength - 105, 105));
|
|
}
|
|
|
|
TEST_F(MemoryOfflineBufferTest, read_past_end) {
|
|
std::vector<uint8_t> buffer(1024);
|
|
ASSERT_EQ(100U, memory_->Read(kStart + kLength - 100, buffer.data(), buffer.size()));
|
|
VerifyBuffer(buffer.data(), kLength - 100, 100);
|
|
}
|
|
|
|
TEST_F(MemoryOfflineBufferTest, read_after_reset) {
|
|
std::vector<uint8_t> buffer(1024);
|
|
ASSERT_TRUE(memory_->ReadFully(kStart, buffer.data(), 100));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), 0, 100));
|
|
|
|
memory_->Reset(&buffer_[10], 0x12000, 0x13000);
|
|
ASSERT_TRUE(memory_->ReadFully(0x12000, buffer.data(), 100));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), 10, 100));
|
|
|
|
ASSERT_EQ(50U, memory_->Read(0x13000 - 50, buffer.data(), buffer.size()));
|
|
ASSERT_NO_FATAL_FAILURE(VerifyBuffer(buffer.data(), 0x1000 - 50 + 10, 50));
|
|
}
|
|
|
|
} // namespace unwindstack
|