plugeth/core/asm/asm_test.go
Sina Mahmoodi e803ef09ad
eth/tracers/js: fix isPush for push0 (#28520)
Fixes so that `push0` opcode is correctly reported as `true` by the `IsPush` function

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
2023-11-14 13:14:38 +01:00

59 lines
1.7 KiB
Go

// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package asm
import (
"testing"
"encoding/hex"
)
// Tests disassembling instructions
func TestInstructionIterator(t *testing.T) {
for i, tc := range []struct {
want int
code string
wantErr string
}{
{2, "61000000", ""}, // valid code
{0, "6100", "incomplete push instruction at 0"}, // invalid code
{2, "5900", ""}, // push0
{0, "", ""}, // empty
} {
var (
have int
code, _ = hex.DecodeString(tc.code)
it = NewInstructionIterator(code)
)
for it.Next() {
have++
}
var haveErr = ""
if it.Error() != nil {
haveErr = it.Error().Error()
}
if haveErr != tc.wantErr {
t.Errorf("test %d: encountered error: %q want %q", i, haveErr, tc.wantErr)
continue
}
if have != tc.want {
t.Errorf("wrong instruction count, have %d want %d", have, tc.want)
}
}
}