diff --git a/pkg/vm/ref_counter_test.go b/pkg/vm/ref_counter_test.go index 2c2b3752d9..4e57ae0f6a 100644 --- a/pkg/vm/ref_counter_test.go +++ b/pkg/vm/ref_counter_test.go @@ -3,6 +3,7 @@ package vm import ( "testing" + "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/stretchr/testify/require" ) @@ -46,6 +47,19 @@ func TestRefCounter_Add(t *testing.T) { require.Equal(t, 2, int(*r)) } +func TestRefCounterPopItem(t *testing.T) { + prog := makeProgram(opcode.POPITEM) + v := load(prog) + v.estack.PushVal(stackitem.NewArray([]stackitem.Item{stackitem.Make(42)})) + require.Equal(t, 2, int(v.refs)) + runVM(t, v) + require.Equal(t, 1, v.estack.Len()) + require.Equal(t, 1, int(v.refs)) + _ = v.estack.Pop() + require.Equal(t, 0, v.estack.Len()) + require.Equal(t, 0, int(v.refs)) +} + func BenchmarkRefCounter_Add(b *testing.B) { a := stackitem.NewArray(nil) rc := newRefCounter() diff --git a/pkg/vm/vm.go b/pkg/vm/vm.go index 2569fb9055..8c98192c39 100644 --- a/pkg/vm/vm.go +++ b/pkg/vm/vm.go @@ -1459,7 +1459,6 @@ func (v *VM) execute(ctx *Context, op opcode.Opcode, parameter []byte) (err erro case *stackitem.Struct: item.Remove(index) } - v.refs.Remove(elem) case opcode.SIZE: elem := v.estack.Pop()