public void Flush_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions {
Flush = null
});
Assert.Throws <NotSupportedException>(() => actionStream.Flush());
}
public void Position_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions());
Assert.Throws <NotSupportedException>(() =>
{
long actionStreamPosition = actionStream.Position;
});
}
public void Length_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions());
Assert.Throws <NotSupportedException>(() =>
{
long actionStreamLength = actionStream.Length;
});
}
public void Seek_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions());
Assert.Throws <NotSupportedException>(() =>
{
actionStream.Seek(1, SeekOrigin.Begin);
});
}
public void SetLength_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions());
Assert.Throws <NotSupportedException>(() =>
{
actionStream.SetLength(1);
});
}
public void Write_Not_Supported()
{
ActionStream actionStream = new ActionStream(new StreamActions());
Assert.Throws <NotSupportedException>(() =>
{
byte[] buffer = new byte[1];
actionStream.Write(buffer, 0, 1);
});
}
public void Flush()
{
bool flushed = false;
ActionStream actionStream = new ActionStream(new StreamActions {
Flush = () => flushed = true
});
actionStream.Flush();
Assert.True(flushed);
}
public void Set_Length()
{
long expectedLength = 0;
ActionStream actionStream = new ActionStream(new StreamActions
{
SetLength = length => expectedLength = length
});
actionStream.SetLength(10);
Assert.Equal(10, expectedLength);
}
public void Read_Content()
{
ActionStream actionStream = new ActionStream(new StreamActions {
Read = (buffer, offset, count) =>
{
for (int i = 0; i < count; i++)
{
buffer[offset + i] = (byte)i;
}
return(count);
}
});
byte[] readBuffer = new byte[10];
actionStream.Read(readBuffer, 0, readBuffer.Length);
Assert.Equal(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, readBuffer);
}
public void Set_Position()
{
long expectedOffset = -1;
SeekOrigin expectedOrigin = SeekOrigin.End;
ActionStream actionStream = new ActionStream(new StreamActions
{
Seek = (offset, origin) =>
{
expectedOrigin = origin;
expectedOffset = offset;
return(offset);
}
});
actionStream.Position = 10;
Assert.Equal(10, expectedOffset);
Assert.Equal(SeekOrigin.Begin, expectedOrigin);
}
public void Seek(long testOffset, SeekOrigin testOrigin)
{
long expectedOffset = 0;
SeekOrigin expectedOrigin = SeekOrigin.Begin;
ActionStream actionStream = new ActionStream(new StreamActions
{
Seek = (offset, origin) =>
{
expectedOffset = offset;
expectedOrigin = origin;
return(0);
}
});
actionStream.Seek(testOffset, testOrigin);
Assert.Equal(testOffset, expectedOffset);
Assert.Equal(testOrigin, expectedOrigin);
}
public void Write()
{
byte[] expectedBuffer = new byte[10];
ActionStream actionStream = new ActionStream(new StreamActions
{
Write = (buffer, offset, count) =>
{
for (int i = 0; i < count; i++)
{
expectedBuffer[i] = buffer[offset + i];
}
}
});
byte[] writeBuffer = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
actionStream.Write(writeBuffer, 0, writeBuffer.Length);
Assert.Equal(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, expectedBuffer);
}
public void Read_Length()
{
ActionStream actionStream = new ActionStream(new StreamActions
{
Read = (buffer, offset, count) =>
{
for (int i = 0; i < count; i++)
{
buffer[offset + i] = (byte)i;
}
return(count);
}
});
byte[] readBuffer = new byte[10];
int readLength = actionStream.Read(readBuffer, 0, readBuffer.Length);
Assert.Equal(readBuffer.Length, readLength);
}
public void Get_Position()
{
long expectedOffset = -1;
SeekOrigin expectedOrigin = SeekOrigin.End;
ActionStream actionStream = new ActionStream(new StreamActions
{
Seek = (offset, origin) =>
{
expectedOrigin = origin;
expectedOffset = offset;
return(offset + 10);
}
});
long currentPosition = actionStream.Position;
Assert.Equal(0, expectedOffset);
Assert.Equal(10, currentPosition);
Assert.Equal(SeekOrigin.Current, expectedOrigin);
}
public void One_Byte_Read_Result()
{
ActionStream stream = new ActionStream(new StreamActions
{
Read = (buffer, offset, count) =>
{
buffer[offset] = 32;
return(1);
},
Seek = (l, origin) => 0,
GetLength = () => 10
});
SubStream subStream = new SubStream(stream, 5);
byte[] readBuffer = new byte[10];
int readCount = subStream.Read(readBuffer, 0, 10);
Assert.Equal(1, readCount);
}
