public void TestBlocks()
{
var fakeHeaders = new FakeHeaders();
var header0 = fakeHeaders.GenesisChained();
var header1 = fakeHeaders.NextChained();
var chainBuilder = new ChainBuilder();
// verify block list with 0 blocks
var chainEmpty = chainBuilder.ToImmutable();
Assert.AreEqual(0, chainEmpty.Blocks.Count);
// verify block list with 1 block
chainBuilder.AddBlock(header0);
var chain0 = chainBuilder.ToImmutable();
CollectionAssert.AreEqual(new[] { header0 }, chain0.Blocks);
// verify block list with 2 blocks
chainBuilder.AddBlock(header1);
var chain1 = chainBuilder.ToImmutable();
CollectionAssert.AreEqual(new[] { header0, header1 }, chain1.Blocks);
}