public static void TestEnsureFileVersion()
{
Headers headers = new Headers();
headers.HeaderBlocks.Add(new PreambleHeaderBlock());
headers.HeaderBlocks.Add(new VersionHeaderBlock(new byte[] { 4, 1, 2, 0, 0 }));
headers.HeaderBlocks.Add(new DataHeaderBlock());
Assert.DoesNotThrow(() => headers.EnsureFileFormatVersion(4, 4));
Assert.Throws <FileFormatException>(() => headers.EnsureFileFormatVersion(5, 5));
Assert.Throws <FileFormatException>(() => headers.EnsureFileFormatVersion(1, 3));
}