public void MakeSureDeletingAFileFreesSpaceForSure() // был такой баг.
{
var collaborators = TestCollaboratorsFactory.CreateAllCollaborators(50000, false);
VirtualFileSystem fileSystem = collaborators.VirtualFileSystem;
int freeSpaceBeforeAnything = fileSystem.FreeSpaceInBytes;
byte[] interestingData = ByteBufferFactory.BuildSomeGuidsIntoByteArray(10000);
using (var dataStream = fileSystem.CreateAndOpenFileForWriting(@"\hey"))
{
for (int i = 0; i < 50; i++)
{
dataStream.Write(interestingData, 0, interestingData.Length);
}
}
fileSystem.DeleteFile(@"\hey");
Assert.AreEqual(freeSpaceBeforeAnything, fileSystem.FreeSpaceInBytes);
fileSystem = TestCollaboratorsFactory.CreateFileSystemFromExistingStream(collaborators.Stream);
Assert.AreEqual(freeSpaceBeforeAnything, fileSystem.FreeSpaceInBytes);
}
public void TryCopyingANonEmptyFileComparingTheContentsOfBothCopiesAfterwards()
{
VirtualFileSystem fileSystem = VirtualFileSystemFactory.CreateDefaultFileSystem();
byte[] interestingData = ByteBufferFactory.BuildSomeGuidsIntoByteArray(10000);
var greatGatsby = fileSystem.CreateFile(@"\TheGreatGatsbyEncoded.bin");
using (var stream = fileSystem.OpenFileForWriting(greatGatsby.FullPath))
{
stream.Write(interestingData, 0, interestingData.Length);
}
var folderInfo = fileSystem.CreateFolder(@"\AifdjgodfjgodfjglidflgjalglkrelgkrelllerlnlrklgnLKGLKREL");
fileSystem.CopyFile(greatGatsby.FullPath,
fileSystem.PathBuilder.CombinePaths(folderInfo.FullPath, "HiThereSport.txt"));
var interestingDataAsReadFromFile = new byte[interestingData.Length];
using (var stream = fileSystem.OpenFileForReading(fileSystem.PathBuilder.CombinePaths(folderInfo.FullPath, "HiThereSport.txt")))
{
stream.Read(interestingDataAsReadFromFile, 0, stream.Length);
}
CollectionAssert.AreEqual(interestingData, interestingDataAsReadFromFile);
}
public void TryWritingABigFileReadingItAfterSystemReload()
{
var testCollaborators = TestCollaboratorsFactory.CreateAllCollaborators(50000, false);
byte[] interestingBytes = ByteBufferFactory.BuildSomeGuidsIntoByteArray(5000);
int streamLength;
const int numberOfGuidPortionsToReadAndWrite = 500;
using (DataStreamReadableWritable stream = testCollaborators.VirtualFileSystem.CreateAndOpenFileForWriting(@"\hey"))
{
for (int i = 0; i < numberOfGuidPortionsToReadAndWrite; i++)
{
stream.Write(interestingBytes, 0, interestingBytes.Length);
}
streamLength = stream.Length;
}
VirtualFileSystem fileSystemReloaded =
TestCollaboratorsFactory.CreateFileSystemFromExistingStream(testCollaborators.Stream);
using (DataStreamReadable stream = fileSystemReloaded.OpenFileForReading(@"\hey"))
{
Assert.AreEqual(streamLength, stream.Length);
var bytesRead = new byte[interestingBytes.Length];
for (int i = 0; i < numberOfGuidPortionsToReadAndWrite; i++)
{
int numberOfBytesRead = stream.Read(bytesRead, 0, interestingBytes.Length);
CollectionAssert.AreEqual(interestingBytes, bytesRead);
}
}
}