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tree_test.go
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tree_test.go
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package iavl
import (
"testing"
"github.com/cosmos/iavl"
"github.com/stretchr/testify/require"
dbm "github.com/tendermint/tm-db"
)
func TestImmutableTreePanics(t *testing.T) {
t.Parallel()
immTree := iavl.NewImmutableTree(dbm.NewMemDB(), 100, false)
it := &immutableTree{immTree}
require.Panics(t, func() { it.Set([]byte{}, []byte{}) })
require.Panics(t, func() { it.Remove([]byte{}) })
require.Panics(t, func() { it.SaveVersion() }) // nolint:errcheck
require.Panics(t, func() { it.DeleteVersion(int64(1)) }) // nolint:errcheck
val, proof, err := it.GetVersionedWithProof(nil, 1)
require.Error(t, err)
require.Nil(t, val)
require.Nil(t, proof)
imm, err := it.GetImmutable(1)
require.Error(t, err)
require.Nil(t, imm)
imm, err = it.GetImmutable(0)
require.NoError(t, err)
require.NotNil(t, imm)
require.Equal(t, immTree, imm)
}