55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#pragma once
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#ifndef MESSMER_CPPUTILS_DATA_DATABLOCKFIXTURE_H_
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#define MESSMER_CPPUTILS_DATA_DATABLOCKFIXTURE_H_
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#include <cstdio>
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namespace cpputils {
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//TODO Rewrite to using cpputils::Data (but take care that the cpputils::Data tests actually still test something, they use DataBlockFixture)
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//TODO Add tests
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class DataBlockFixture {
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public:
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DataBlockFixture(size_t size, long long int IV = 1);
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virtual ~DataBlockFixture();
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int read(void *buf, size_t count, off_t offset);
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// Return true, iff the given data is equal to the data of the file at the given offset.
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bool fileContentEqual(const char *content, size_t count, off_t offset);
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const char *data() const;
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size_t size() const;
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protected:
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char *_fileData;
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size_t _size;
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private:
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void fillFileWithRandomData(long long int IV);
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};
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class DataBlockFixtureWriteable: public DataBlockFixture {
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public:
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DataBlockFixtureWriteable(size_t size, long long int IV = 1);
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virtual ~DataBlockFixtureWriteable();
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void write(const void *buf, size_t count, off_t offset);
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bool sizeUnchanged();
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bool regionUnchanged(off_t offset, size_t count);
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private:
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void extendFileSizeIfNecessary(size_t size);
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void extendFileSize(size_t size);
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char *_originalFileData;
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size_t _originalSize;
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};
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}
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#endif
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