public void Read_ZeroLength_ReturnsEmptyArray()
{
var stream = new MemoryStream(new byte[10]);
var container = new StreamContainer(stream);
CollectionAssert.AreEqual(container.Read(0, 0), new byte[0]);
}
public void Read_WithBogusStream_ReturnsEmptyArray()
{
var stream = new BogusStream();
var container = new StreamContainer(stream);
CollectionAssert.AreEqual(container.Read(0, 10), new byte[0]);
}
public void Read_TooCloseToEnd_ReturnsTruncatedArray()
{
var stream = new MemoryStream(new byte[10]);
var container = new StreamContainer(stream);
CollectionAssert.AreEqual(container.Read(5, 10), new byte[5]);
}
public void Read_NegativeOffset_ThrowsArgumentOutOfRangeException()
{
var stream = new MemoryStream();
var container = new StreamContainer(stream);
Assert.Throws <ArgumentOutOfRangeException>(() => container.Read(-1, 0));
}
public void Read_BeyondEnd_ReturnsEmptyArray()
{
var stream = new MemoryStream(new byte[10]);
var container = new StreamContainer(stream);
CollectionAssert.AreEqual(container.Read(20, 10), new byte[0]);
}
public void Read_Contents_ReturnsCorrectContents()
{
var stream = new MemoryStream(
new byte[]
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var container = new StreamContainer(stream);
CollectionAssert.AreEqual(
container.Read(5, 10), new byte[]
{
6, 7, 8, 9, 10
});
}
