public void WhenPassedAnInvalidID3v2FileHeader_ThrowsAnInvalidHeaderException()
{
byte[] data = new byte[] { 0x49, 0x44, 0x33 };
FileSignatureMatcher matcher = new FileSignatureMatcher();
var stream = new MemoryStream(data);
var exception = Assert.ThrowsException <InvalidHeaderException>(() => matcher.FindSignature(data).Invoke(stream));
exception.Message.Should().Be("Header is incomplete.");
stream.Close();
}
public void WhenPassedAnID3v2FileHeader_ReturnsAnObjectOfTypeID3v2Tags()
{
byte[] data = new byte[] { 0x49, 0x44, 0x33, 0, 0, 0, 0, 0, 0, 0 };
FileSignatureMatcher matcher = new FileSignatureMatcher();
var stream = new MemoryStream(data);
var tags = matcher.FindSignature(data).Invoke(stream);
tags.Should().BeOfType <ID3v2Tags>();
stream.Close();
}