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bring in merkle from tmlibs

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This commit is contained in:
Ethan Buchman
2018-05-22 12:43:44 -04:00
parent 3399ca9369
commit 134fdf7169
7 changed files with 510 additions and 0 deletions
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53
merkle/simple_map_test.go Normal file
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@ -0,0 +1,53 @@
package merkle
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
type strHasher string
func (str strHasher) Hash() []byte {
return SimpleHashFromBytes([]byte(str))
}
func TestSimpleMap(t *testing.T) {
{
db := NewSimpleMap()
db.Set("key1", strHasher("value1"))
assert.Equal(t, "acdb4f121bc6f25041eb263ab463f1cd79236a32", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
{
db := NewSimpleMap()
db.Set("key1", strHasher("value2"))
assert.Equal(t, "b8cbf5adee8c524e14f531da9b49adbbbd66fffa", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
{
db := NewSimpleMap()
db.Set("key1", strHasher("value1"))
db.Set("key2", strHasher("value2"))
assert.Equal(t, "1708aabc85bbe00242d3db8c299516aa54e48c38", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
{
db := NewSimpleMap()
db.Set("key2", strHasher("value2")) // NOTE: out of order
db.Set("key1", strHasher("value1"))
assert.Equal(t, "1708aabc85bbe00242d3db8c299516aa54e48c38", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
{
db := NewSimpleMap()
db.Set("key1", strHasher("value1"))
db.Set("key2", strHasher("value2"))
db.Set("key3", strHasher("value3"))
assert.Equal(t, "e728afe72ce351eed6aca65c5f78da19b9a6e214", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
{
db := NewSimpleMap()
db.Set("key2", strHasher("value2")) // NOTE: out of order
db.Set("key1", strHasher("value1"))
db.Set("key3", strHasher("value3"))
assert.Equal(t, "e728afe72ce351eed6aca65c5f78da19b9a6e214", fmt.Sprintf("%x", db.Hash()), "Hash didn't match")
}
}