Renamed VirtualTestFile to DataBlockFixture

This commit is contained in:
Sebastian Messmer 2014-12-09 11:01:32 +01:00
parent 5413384ee3
commit b275d47dd9
2 changed files with 24 additions and 26 deletions

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@ -1,19 +1,18 @@
#include "VirtualTestFile.h" #include <test/testutils/DataBlockFixture.h>
#include <algorithm> #include <algorithm>
#include <cstring> #include <cstring>
using std::min; using std::min;
VirtualTestFile::VirtualTestFile(size_t size, long long int IV): _fileData(new char[size]), _size(size) { DataBlockFixture::DataBlockFixture(size_t size, long long int IV): _fileData(new char[size]), _size(size) {
fillFileWithRandomData(IV); fillFileWithRandomData(IV);
} }
VirtualTestFile::~VirtualTestFile() { DataBlockFixture::~DataBlockFixture() {
delete[] _fileData; delete[] _fileData;
} }
void VirtualTestFile::fillFileWithRandomData(long long int IV) { void DataBlockFixture::fillFileWithRandomData(long long int IV) {
long long int val = IV; long long int val = IV;
for(size_t i=0; i<_size/sizeof(long long int); ++i) { for(size_t i=0; i<_size/sizeof(long long int); ++i) {
//MMIX linear congruential generator //MMIX linear congruential generator
@ -23,47 +22,47 @@ void VirtualTestFile::fillFileWithRandomData(long long int IV) {
} }
} }
const char *VirtualTestFile::data() const { const char *DataBlockFixture::data() const {
return _fileData; return _fileData;
} }
int VirtualTestFile::read(void *buf, size_t count, off_t offset) { int DataBlockFixture::read(void *buf, size_t count, off_t offset) {
size_t realCount = min(count, _size - offset); size_t realCount = min(count, _size - offset);
memcpy(buf, _fileData+offset, realCount); memcpy(buf, _fileData+offset, realCount);
return realCount; return realCount;
} }
size_t VirtualTestFile::size() const { size_t DataBlockFixture::size() const {
return _size; return _size;
} }
bool VirtualTestFile::fileContentEqual(const char *content, size_t count, off_t offset) { bool DataBlockFixture::fileContentEqual(const char *content, size_t count, off_t offset) {
return 0 == memcmp(content, _fileData + offset, count); return 0 == memcmp(content, _fileData + offset, count);
} }
VirtualTestFileWriteable::VirtualTestFileWriteable(size_t size, long long int IV) DataBlockFixtureWriteable::DataBlockFixtureWriteable(size_t size, long long int IV)
:VirtualTestFile(size, IV), _originalSize(size) { :DataBlockFixture(size, IV), _originalSize(size) {
_originalFileData = new char[size]; _originalFileData = new char[size];
memcpy(_originalFileData, _fileData, size); memcpy(_originalFileData, _fileData, size);
} }
VirtualTestFileWriteable::~VirtualTestFileWriteable() { DataBlockFixtureWriteable::~DataBlockFixtureWriteable() {
delete[] _originalFileData; delete[] _originalFileData;
} }
void VirtualTestFileWriteable::write(const void *buf, size_t count, off_t offset) { void DataBlockFixtureWriteable::write(const void *buf, size_t count, off_t offset) {
extendFileSizeIfNecessary(count + offset); extendFileSizeIfNecessary(count + offset);
memcpy(_fileData+offset, buf, count); memcpy(_fileData+offset, buf, count);
} }
void VirtualTestFileWriteable::extendFileSizeIfNecessary(size_t size) { void DataBlockFixtureWriteable::extendFileSizeIfNecessary(size_t size) {
if (size > _size) { if (size > _size) {
extendFileSize(size); extendFileSize(size);
} }
} }
void VirtualTestFileWriteable::extendFileSize(size_t size) { void DataBlockFixtureWriteable::extendFileSize(size_t size) {
char *newfile = new char[size]; char *newfile = new char[size];
memcpy(newfile, _fileData, _size); memcpy(newfile, _fileData, _size);
delete[] _fileData; delete[] _fileData;
@ -71,10 +70,10 @@ void VirtualTestFileWriteable::extendFileSize(size_t size) {
_size = size; _size = size;
} }
bool VirtualTestFileWriteable::sizeUnchanged() { bool DataBlockFixtureWriteable::sizeUnchanged() {
return _size == _originalSize; return _size == _originalSize;
} }
bool VirtualTestFileWriteable::regionUnchanged(off_t offset, size_t count) { bool DataBlockFixtureWriteable::regionUnchanged(off_t offset, size_t count) {
return 0 == memcmp(_fileData+offset, _originalFileData+offset, count); return 0 == memcmp(_fileData+offset, _originalFileData+offset, count);
} }

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@ -1,14 +1,13 @@
#pragma once #pragma once
#ifndef TEST_TESTUTILS_VIRTUALTESTFILE_H_ #ifndef TEST_TESTUTILS_DATABLOCKFIXTURE_H_
#define TEST_TESTUTILS_VIRTUALTESTFILE_H_ #define TEST_TESTUTILS_DATABLOCKFIXTURE_H_
#include <cstdio> #include <cstdio>
//TODO Rename to RandomData or something more speaking about what this class does. class DataBlockFixture {
class VirtualTestFile {
public: public:
VirtualTestFile(size_t size, long long int IV = 1); DataBlockFixture(size_t size, long long int IV = 1);
virtual ~VirtualTestFile(); virtual ~DataBlockFixture();
int read(void *buf, size_t count, off_t offset); int read(void *buf, size_t count, off_t offset);
@ -27,10 +26,10 @@ private:
void fillFileWithRandomData(long long int IV); void fillFileWithRandomData(long long int IV);
}; };
class VirtualTestFileWriteable: public VirtualTestFile { class DataBlockFixtureWriteable: public DataBlockFixture {
public: public:
VirtualTestFileWriteable(size_t size, long long int IV = 1); DataBlockFixtureWriteable(size_t size, long long int IV = 1);
virtual ~VirtualTestFileWriteable(); virtual ~DataBlockFixtureWriteable();
void write(const void *buf, size_t count, off_t offset); void write(const void *buf, size_t count, off_t offset);