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test shorter fork (fails)

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This commit is contained in:
Ethan Buchman 2014-11-22 14:13:22 -05:00
parent 8cf9ed0ea5
commit 918f152e1f
1 changed files with 26 additions and 0 deletions
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26
chain/chain_manager_test.go
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@ -40,6 +40,32 @@ func makechain(cman *ChainManager, max int) *BlockChain {
return NewChain(blocks)
}
func TestShorterFork(t *testing.T) {
cman := NewChainManager()
cman.SetProcessor(fakeproc{})
TD = big.NewInt(1)
chainA := makechain(cman, 5)
TD = big.NewInt(1)
chainB := makechain(cman, 3)
td, err := cman.TestChain(chainA)
if err != nil {
t.Error("unable to create new TD from chainA:", err)
}
cman.TD = td
td2, err := cman.TestChain(chainB)
if err != nil {
t.Error("expected chainB not to give errors:", err)
}
if td2.Cmp(td) >= 0 {
t.Error("expected chainB to have lower difficulty. Got", td2, "expected less than", td)
}
}
func TestLongerFork(t *testing.T) {
cman := NewChainManager()
cman.SetProcessor(fakeproc{})