139 lines
2.9 KiB
Go
139 lines
2.9 KiB
Go
package ptrie
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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func TestInsert(t *testing.T) {
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trie := NewEmpty()
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trie.UpdateString("doe", "reindeer")
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trie.UpdateString("dog", "puppy")
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trie.UpdateString("dogglesworth", "cat")
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exp := ethutil.Hex2Bytes("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
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root := trie.Hash()
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if !bytes.Equal(root, exp) {
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t.Errorf("exp %x got %x", exp, root)
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}
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trie = NewEmpty()
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trie.UpdateString("A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
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exp = ethutil.Hex2Bytes("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
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root = trie.Hash()
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if !bytes.Equal(root, exp) {
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t.Errorf("exp %x got %x", exp, root)
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}
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}
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func TestGet(t *testing.T) {
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trie := NewEmpty()
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trie.UpdateString("doe", "reindeer")
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trie.UpdateString("dog", "puppy")
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trie.UpdateString("dogglesworth", "cat")
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res := trie.GetString("dog")
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if !bytes.Equal(res, []byte("puppy")) {
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t.Errorf("expected puppy got %x", res)
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}
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unknown := trie.GetString("unknown")
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if unknown != nil {
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t.Errorf("expected nil got %x", unknown)
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}
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}
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func TestDelete(t *testing.T) {
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trie := NewEmpty()
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"ether", ""},
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{"dog", "puppy"},
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{"shaman", ""},
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}
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for _, val := range vals {
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trie.UpdateString(val.k, val.v)
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}
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hash := trie.Hash()
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exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
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if !bytes.Equal(hash, exp) {
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t.Errorf("expected %x got %x", exp, hash)
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}
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}
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func TestReplication(t *testing.T) {
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trie := NewEmpty()
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"ether", ""},
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{"dog", "puppy"},
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{"shaman", ""},
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{"somethingveryoddindeedthis is", "myothernodedata"},
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}
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for _, val := range vals {
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trie.UpdateString(val.k, val.v)
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}
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trie.Hash()
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trie2 := New(trie.roothash, trie.backend)
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if string(trie2.GetString("horse")) != "stallion" {
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t.Error("expected to have harse => stallion")
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}
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hash := trie2.Hash()
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exp := trie.Hash()
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if !bytes.Equal(hash, exp) {
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t.Errorf("root failure. expected %x got %x", exp, hash)
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}
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}
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func BenchmarkGets(b *testing.B) {
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trie := NewEmpty()
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"ether", ""},
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{"dog", "puppy"},
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{"shaman", ""},
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{"somethingveryoddindeedthis is", "myothernodedata"},
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}
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for _, val := range vals {
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trie.UpdateString(val.k, val.v)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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trie.Get([]byte("horse"))
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}
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}
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func BenchmarkUpdate(b *testing.B) {
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trie := NewEmpty()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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trie.UpdateString(fmt.Sprintf("aaaaaaaaaaaaaaa%d", j), "value")
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}
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trie.Hash()
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}
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