public void GetLengthThrowsForUnseekableFileStream()
{
string fileName = GetTestFilePath();
using (FileStream fs = new UnseekableFileStream(fileName, FileMode.Create))
{
Assert.Throws <NotSupportedException>(() => _ = fs.Length);
}
}
public void GetPositionUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws<NotSupportedException>(() => fs.Position);
// dispose checking happens first
fs.Dispose();
Assert.Throws<ObjectDisposedException>(() => fs.Position);
}
}
public void GetPositionUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws <NotSupportedException>(() => fs.Position);
// dispose checking happens first
fs.Dispose();
Assert.Throws <ObjectDisposedException>(() => fs.Position);
}
}
public void GetLengthUnseekableThrows()
{
string fileName = GetTestFilePath();
using (FileStream fs = new UnseekableFileStream(fileName, FileMode.Create))
{
Assert.Throws<NotSupportedException>(() => fs.Length);
// dispose checking happens first
fs.Dispose();
Assert.Throws<ObjectDisposedException>(() => fs.Length);
}
}
public void GetLengthUnseekableThrows()
{
string fileName = GetTestFilePath();
using (FileStream fs = new UnseekableFileStream(fileName, FileMode.Create))
{
Assert.Throws <NotSupportedException>(() => fs.Length);
// dispose checking happens first
fs.Dispose();
Assert.Throws <ObjectDisposedException>(() => fs.Length);
}
}
public void SeekUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws <NotSupportedException>(() => fs.Seek(1, SeekOrigin.Begin));
// no fast path
Assert.Throws <NotSupportedException>(() => fs.Seek(fs.Position, SeekOrigin.Begin));
// parameter checking happens first
Assert.Throws <ArgumentException>("origin", () => fs.Seek(0, ~SeekOrigin.Begin));
// dispose checking happens first
fs.Dispose();
Assert.Throws <ObjectDisposedException>(() => fs.Seek(fs.Position, SeekOrigin.Begin));
}
}
public void SetPositionUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws<NotSupportedException>(() => fs.Position = 1);
// no fast path
Assert.Throws<NotSupportedException>(() => fs.Position = fs.Position);
// parameter checking happens first
Assert.Throws<ArgumentOutOfRangeException>("value", () => fs.Position = -1);
// dispose checking happens first
fs.Dispose();
Assert.Throws<ObjectDisposedException>(() => fs.Position = 1);
}
}
public void SetPositionUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws <NotSupportedException>(() => fs.Position = 1);
// no fast path
Assert.Throws <NotSupportedException>(() => fs.Position = fs.Position);
// parameter checking happens first
AssertExtensions.Throws <ArgumentOutOfRangeException>("value", () => fs.Position = -1);
// dispose checking happens first
fs.Dispose();
Assert.Throws <ObjectDisposedException>(() => fs.Position = 1);
}
}
public void SeekUnseekableThrows()
{
using (FileStream fs = new UnseekableFileStream(GetTestFilePath(), FileMode.Create))
{
Assert.Throws<NotSupportedException>(() => fs.Seek(1, SeekOrigin.Begin));
// no fast path
Assert.Throws<NotSupportedException>(() => fs.Seek(fs.Position, SeekOrigin.Begin));
// parameter checking happens first
Assert.Throws<ArgumentException>("origin", () => fs.Seek(0, ~SeekOrigin.Begin));
// dispose checking happens first
fs.Dispose();
Assert.Throws<ObjectDisposedException>(() => fs.Seek(fs.Position, SeekOrigin.Begin));
}
}
