mirror of
https://github.com/ethereum/go-ethereum.git
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86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/holiman/uint256"
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)
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func TestValidJumpdest(t *testing.T) {
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cField := []byte{11, 12}
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c := Contract{Code: cField}
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destField := [4]uint64{2, 0, 0, 0}
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dest := uint256.Int(destField)
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ret := c.validJumpdest(&dest)
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if ret != false {
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t.Errorf("validJumpdest not successful")
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}
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c = Contract{}
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destField = [4]uint64{0, 1, 0, 0}
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dest = uint256.Int(destField)
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ret = c.validJumpdest(&dest)
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if ret != false {
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t.Errorf("validJumpdest not successful")
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}
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c = Contract{Code: cField}
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destField = [4]uint64{1, 0, 0, 0}
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dest = uint256.Int(destField)
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ret = c.validJumpdest(&dest)
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if ret != false {
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t.Errorf("validJumpdest not successful")
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}
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cField[1] = byte(JUMPDEST)
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c = Contract{Code: cField}
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ret = c.validJumpdest(&dest)
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if ret != true {
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t.Errorf("validJumpdest not successful")
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}
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}
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func TestIsCode(t *testing.T) {
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destField := [4]uint64{1, 0, 0, 0}
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cField := []byte{11, byte(JUMPDEST)}
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c := Contract{Code: cField}
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ret := c.isCode(destField[0])
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if ret != true || c.analysis == nil {
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t.Errorf("isCode not successful")
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}
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destField = [4]uint64{1, 0, 0, 0}
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aField := []byte{0, 0, 0, 0, 0}
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c = Contract{analysis: aField}
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ret = c.isCode(destField[0])
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if ret != true {
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t.Errorf("isCode not successful")
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}
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destField = [4]uint64{1, 0, 0, 0}
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//aField := []byte{0,0,0,0,0}
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jd := make(map[common.Hash]bitvec)
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c = Contract{CodeHash: common.Hash{}, jumpdests: jd}
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c.CodeHash[0] = 1
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ret = c.isCode(destField[0])
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if ret != true || c.analysis == nil {
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t.Errorf("isCode not successful")
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}
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}
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