85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
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// Copyright 2014 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 "testing"
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type matchTest struct {
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input []OpCode
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match []OpCode
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matches int
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}
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func TestMatchFn(t *testing.T) {
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tests := []matchTest{
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matchTest{
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[]OpCode{PUSH1, PUSH1, MSTORE, JUMP},
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[]OpCode{PUSH1, MSTORE},
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1,
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},
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matchTest{
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[]OpCode{PUSH1, PUSH1, MSTORE, JUMP},
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[]OpCode{PUSH1, MSTORE, PUSH1},
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0,
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},
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matchTest{
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[]OpCode{},
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[]OpCode{PUSH1},
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0,
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},
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}
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for i, test := range tests {
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var matchCount int
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MatchFn(test.input, test.match, func(i int) bool {
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matchCount++
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return true
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})
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if matchCount != test.matches {
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t.Errorf("match count failed on test[%d]: expected %d matches, got %d", i, test.matches, matchCount)
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}
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}
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}
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type parseTest struct {
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base OpCode
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size int
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output OpCode
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}
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func TestParser(t *testing.T) {
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tests := []parseTest{
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parseTest{PUSH1, 32, PUSH},
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parseTest{DUP1, 16, DUP},
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parseTest{SWAP1, 16, SWAP},
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parseTest{MSTORE, 1, MSTORE},
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}
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for _, test := range tests {
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for i := 0; i < test.size; i++ {
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code := append([]byte{byte(byte(test.base) + byte(i))}, make([]byte, i+1)...)
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output := Parse(code)
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if len(output) == 0 {
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t.Fatal("empty output")
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}
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if output[0] != test.output {
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t.Error("%v failed: expected %v but got %v", test.base+OpCode(i), output[0])
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}
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}
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}
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}
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