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tree_test.go
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/
tree_test.go
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package merkle
import (
"fmt"
"testing"
)
func prepData(c int) [][]byte {
d := make([][]byte, c)
for i := 0; i < c; i++ {
d[i] = []byte(fmt.Sprintf("data%d", i))
}
return d
}
func TestMerkleTreeEven(t *testing.T) {
pd := prepData(10)
tree := GenerateTree(pd)
levels := tree.levels
ll := len(levels)
for i := 1; i < ll; i++ {
for _, v := range levels[i] {
if v.Left == nil || v.Right == nil {
t.Error("left/right should not be nil")
}
}
}
if len(tree.Leafs()) != 10 {
t.Fatal("wrong leaves")
}
if tree.Root() == nil {
t.Fatal("root is nil")
}
}
func TestMerkleTreeOdd(t *testing.T) {
pd := prepData(11)
tree := GenerateTree(pd)
levels := tree.levels
ll := len(levels)
for i := 1; i < ll; i++ {
for _, v := range levels[i] {
if v.Left == nil || v.Right == nil {
t.Error("left/right should not be nil")
}
}
}
if len(tree.Leafs()) != 12 {
t.Fatal("wrong leaves")
}
}