public void Seek_SuccessiveCurrent_CorrectPosition()
{
// Arrange
var stream = new MemoryReaderStream(TestBytes.AsMemory());
// Act
stream.Seek(20, SeekOrigin.Current);
stream.Seek(20, SeekOrigin.Current);
stream.Seek(-5, SeekOrigin.Current);
// Assert
Assert.Equal(35, stream.Position);
}
public void Seek_BeforeBeginning_ArgumentOutOfRange(int offset, SeekOrigin origin)
{
// Arrange
var stream = new MemoryReaderStream(TestBytes.AsMemory());
// Act/Assert
Assert.Throws <ArgumentOutOfRangeException>(() => stream.Seek(offset, origin));
}
public void Seek_Offset_ExpectedPosition(int offset, SeekOrigin origin, int expectedPosition)
{
// Arrange
var stream = new MemoryReaderStream(TestBytes.AsMemory());
// Act
stream.Seek(offset, origin);
// Assert
Assert.Equal(expectedPosition, stream.Position);
}
public void Seek_AfterEnd_EmptyRead(int offset, SeekOrigin origin)
{
// Arrange
var stream = new MemoryReaderStream(TestBytes.AsMemory());
// Act
stream.Seek(offset, origin);
var actual = new byte[1];
var readBytes = stream.Read(actual, 0, actual.Length);
// Assert
Assert.Equal(0, readBytes);
}
