public void ReturnFalse_GivenBytesWithOnlyPaddingByte()
{
var bytes = new byte[] { 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
Assert.False(collectionReader.HasNextItem());
}
public void ThrowsInvalidOperationException_GivenBytesWithOnlyPaddingByte()
{
var bytes = new byte[] { 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
Assert.Throws <InvalidOperationException>(
() => collectionReader.NextItem());
}
public void SkipPaddingOption()
{
var bytes = new byte[] { 0x00, 0x01, 0x02, 0x00, 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
var item = collectionReader.NextItem();
Assert.Equal(1, item.Tag);
}
public void ReturnTrue_WhenHasMoreItems()
{
var bytes = new byte[] { 0x01, 0x02, 0x00, 0x00, 0x02, 0x02, 0x01, 0x01 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
Assert.True(collectionReader.HasNextItem());
}
public void ReturnTrue_GivenBytesWithPadOptionAndOtherOptions()
{
var bytes = new byte[] { 0x00, 0x01, 0x02, 0x00, 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
Assert.False(collectionReader.HasNextItem());
}
public void ReturnFalse_WhenNextItemIsEndByte()
{
var bytes = new byte[] { 0x01, 0x02, 0x00, 0x00, 0xff, 0x01, 0x02, 0x00, 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
Assert.False(collectionReader.HasNextItem());
}
public void ThrowsInvalidOperationException_WhenNextItemIsEndByte()
{
var bytes = new byte[] { 0x01, 0x02, 0x00, 0x00, 0xff, 0x01, 0x02, 0x00, 0x00 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
Assert.Throws <InvalidOperationException>(
() => collectionReader.NextItem());
}
public void ReturnNextItem_WhenHasMoreItems()
{
var bytes = new byte[] { 0x01, 0x02, 0x00, 0x00, 0x09, 0x02, 0x01, 0x01 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
var item = collectionReader.NextItem();
Assert.Equal(0x09, item.Tag);
}
public void ReturnNextItemOfGivenLength()
{
var bytes = new byte[] { 0x01, 0x02, 0x00, 0x00, 0x09, 0x03, 0x01, 0x01, 0x01 };
var reader = new DhcpBinaryReader(bytes);
var collectionReader = new DhcpTaggedValueCollectionReader(reader);
collectionReader.NextItem();
var item = collectionReader.NextItem();
Assert.Equal(3, item.Value.AsBytes().Length);
Assert.True(item.Value.AsBytes().All(x => x == 0x01));
}
