49 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			49 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | package core | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"math/big" | ||
|  | 	"testing" | ||
|  | 
 | ||
|  | 	"github.com/ethereum/go-ethereum/common" | ||
|  | 	"github.com/ethereum/go-ethereum/core/types" | ||
|  | ) | ||
|  | 
 | ||
|  | func newChain(size int) (chain []*types.Block) { | ||
|  | 	var parentHash common.Hash | ||
|  | 	for i := 0; i < size; i++ { | ||
|  | 		block := types.NewBlock(parentHash, common.Address{}, common.Hash{}, new(big.Int), 0, "") | ||
|  | 		block.Header().Number = big.NewInt(int64(i)) | ||
|  | 		chain = append(chain, block) | ||
|  | 		parentHash = block.Hash() | ||
|  | 	} | ||
|  | 	return | ||
|  | } | ||
|  | 
 | ||
|  | func insertChainCache(cache *BlockCache, chain []*types.Block) { | ||
|  | 	for _, block := range chain { | ||
|  | 		cache.Push(block) | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | func TestNewBlockCache(t *testing.T) { | ||
|  | 	chain := newChain(3) | ||
|  | 	cache := NewBlockCache(2) | ||
|  | 	insertChainCache(cache, chain) | ||
|  | 
 | ||
|  | 	if cache.hashes[0] != chain[1].Hash() { | ||
|  | 		t.Error("oldest block incorrect") | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | func TestInclusion(t *testing.T) { | ||
|  | 	chain := newChain(3) | ||
|  | 	cache := NewBlockCache(3) | ||
|  | 	insertChainCache(cache, chain) | ||
|  | 
 | ||
|  | 	for _, block := range chain { | ||
|  | 		if b := cache.Get(block.Hash()); b == nil { | ||
|  | 			t.Errorf("getting %x failed", block.Hash()) | ||
|  | 		} | ||
|  | 	} | ||
|  | } |