public void OpenWrite_WithLargeFile_InParallel_PassesContextCorrectly()
{
var fixture = DokanOperationsFixture.Instance;
var path = fixture.FileName.AsRootedPath();
var context = new object();
#if LOGONLY
fixture.SetupAny();
#else
fixture.ExpectCreateFile(path, WriteAccess, WriteShare, FileMode.OpenOrCreate, FileOptions.None,
context: context);
fixture.ExpectWriteFileInChunks(path, largeData, FILE_BUFFER_SIZE, context: context);
fixture.PermitProbeFile(path, largeData);
#endif
var sut = new FileInfo(fixture.FileName.AsDriveBasedPath());
using (var stream = sut.OpenWrite())
{
var totalWrittenBytes = 0;
Parallel.For(0, DokanOperationsFixture.NumberOfChunks(FILE_BUFFER_SIZE, largeData.Length), i =>
{
var origin = i * FILE_BUFFER_SIZE;
var count = Math.Min(FILE_BUFFER_SIZE, largeData.Length - origin);
lock (stream)
{
stream.Seek(origin, SeekOrigin.Begin);
stream.Write(largeData, origin, count);
totalWrittenBytes += count;
}
});
}
#if !LOGONLY
fixture.VerifyContextWriteInvocations(path, 6);
#endif
}
public void OpenRead_WithLargeFile_InParallel_PassesContextCorrectly()
{
var fixture = DokanOperationsFixture.Instance;
var path = fixture.FileName.AsRootedPath();
var context = new object();
#if LOGONLY
fixture.SetupAny();
#else
fixture.ExpectCreateFile(path, ReadAccess, ReadOnlyShare, FileMode.Open, FileOptions.None, context: context);
fixture.ExpectReadFileInChunks(path, largeData, FILE_BUFFER_SIZE, context: context);
#endif
var sut = new FileInfo(fixture.FileName.AsDriveBasedPath());
using (var stream = sut.OpenRead())
{
var target = new byte[largeData.Length];
var totalReadBytes = 0;
Parallel.For(0, DokanOperationsFixture.NumberOfChunks(FILE_BUFFER_SIZE, largeData.Length), i =>
{
var origin = i * FILE_BUFFER_SIZE;
var count = Math.Min(FILE_BUFFER_SIZE, target.Length - origin);
lock (stream)
{
stream.Seek(origin, SeekOrigin.Begin);
totalReadBytes += stream.Read(target, origin, count);
}
});
}
#if !LOGONLY
fixture.VerifyContextReadInvocations(path, 6);
#endif
}
