public void PerformWriteOpOnReadOnlyWrapper()
{
byte[] buf = new byte[10];
using (FileStreamWrapper fsw = new FileStreamWrapper())
{
// If:
// ... I have a readonly file stream wrapper
// Then:
// ... Attempting to perform any write operation should result in an exception
Assert.Throws <InvalidOperationException>(() => fsw.WriteData(buf, 1));
Assert.Throws <InvalidOperationException>(() => fsw.Flush());
}
}
public void PerformOpWithoutInit()
{
byte[] buf = new byte[10];
using (FileStreamWrapper fsw = new FileStreamWrapper())
{
// If:
// ... I have a file stream wrapper that hasn't been initialized
// Then:
// ... Attempting to perform any operation will result in an exception
Assert.Throws <InvalidOperationException>(() => fsw.ReadData(buf, 1));
Assert.Throws <InvalidOperationException>(() => fsw.ReadData(buf, 1, 0));
Assert.Throws <InvalidOperationException>(() => fsw.WriteData(buf, 1));
Assert.Throws <InvalidOperationException>(() => fsw.Flush());
}
}
