public void FindHeaderAndVerifyBlockIntegrityCalledForBogusBlock_ExceptionShouldBeThrown()
{
// Chain header tree setup. Initial chain has 4 headers.
// Example: h1=h2=h3=h4.
const int initialChainSize = 4;
const int extensionChainSize = 2;
TestContext ctx = new TestContextBuilder().WithInitialChain(initialChainSize).UseCheckpoints().Build();
ChainedHeaderTree cht = ctx.ChainedHeaderTree;
ChainedHeader initialChainTip = ctx.InitialChainTip;
// Extend chain with 2 more headers.
// Example: h1=h2=h3=h4=h5=h6.
initialChainTip = ctx.ExtendAChain(extensionChainSize, initialChainTip);
// Call FindHeaderAndVerifyBlockIntegrity on the block from header 6.
// BlockDownloadedForMissingChainedHeaderException should be thrown.
Action verificationAction = () => cht.FindHeaderAndVerifyBlockIntegrity(initialChainTip.Block);
verificationAction.Should().Throw <BlockDownloadedForMissingChainedHeaderException>();
}
