public void TestFlush()
{
long fileSize = Random.Next(3 * 1024 * 1024);
int cut = Random.Next((int)fileSize);
var file = new FileInfo(Path.GetTempFileName());
using (FileStream raf = new FileStream(file.FullName, FileMode.Open, FileAccess.ReadWrite))
using (var fc = MemoryMappedFile.CreateFromFile(raf, null, fileSize, MemoryMappedFileAccess.ReadWrite,
#if FEATURE_MEMORYMAPPEDFILESECURITY
null,
#endif
HandleInheritability.None, false))
{
MemoryMappedViewByteBuffer mbb = fc.CreateViewByteBuffer(cut, fileSize - cut, MemoryMappedFileAccess.ReadWrite);
mbb.Flush();
}
// improve chance that mapped buffer will be unmapped
GC.Collect();
DeleteFile(file);
}
public void TestZeroMap()
{
long fileSize = Random.Next(1024 * 1024);
int cut = Random.Next((int)fileSize);
var file = new FileInfo(Path.GetTempFileName());
using (FileStream raf = new FileStream(file.FullName, FileMode.Open, FileAccess.ReadWrite))
using (var fc = MemoryMappedFile.CreateFromFile(raf, null, fileSize, MemoryMappedFileAccess.ReadWrite,
#if !NETSTANDARD
null,
#endif
HandleInheritability.None, false))
{
MemoryMappedViewByteBuffer mbb = fc.CreateViewByteBuffer(cut, 0, MemoryMappedFileAccess.ReadWrite);
mbb.Flush();
}
// improve chance that mapped buffer will be unmapped
GC.Collect();
Thread.Sleep(500);
DeleteFile(file);
}
public void TestZeroMap() //"Awaits fix: https://github.com/xamarin/xamarin-android/issues/5423"
{
long fileSize = Random.Next(1024 * 1024);
int cut = Random.Next((int)fileSize);
var file = new FileInfo(Path.GetTempFileName());
using (FileStream raf = new FileStream(file.FullName, FileMode.Open, FileAccess.ReadWrite))
using (var fc = MemoryMappedFile.CreateFromFile(raf, null, fileSize, MemoryMappedFileAccess.ReadWrite,
#if FEATURE_MEMORYMAPPEDFILESECURITY
null,
#endif
HandleInheritability.None, false))
{
MemoryMappedViewByteBuffer mbb = fc.CreateViewByteBuffer(cut, 0, MemoryMappedFileAccess.ReadWrite);
mbb.Flush();
}
// improve chance that mapped buffer will be unmapped
GC.Collect();
Thread.Sleep(500);
DeleteFile(file);
}
