61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.2 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, nil)
 | 
						|
		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())
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestDeletion(t *testing.T) {
 | 
						|
	chain := newChain(3)
 | 
						|
	cache := NewBlockCache(3)
 | 
						|
	insertChainCache(cache, chain)
 | 
						|
 | 
						|
	cache.Delete(chain[1].Hash())
 | 
						|
 | 
						|
	if cache.Has(chain[1].Hash()) {
 | 
						|
		t.Errorf("expected %x not to be included")
 | 
						|
	}
 | 
						|
}
 |