neoneo-go/pkg/util/array_test.go

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package util
import (
"testing"
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"github.com/stretchr/testify/require"
)
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var testCases = []struct {
arr []byte
rev []byte
}{
{
arr: []byte{},
rev: []byte{},
},
{
arr: []byte{0x01},
rev: []byte{0x01},
},
{
arr: []byte{0x01, 0x02, 0x03, 0x04},
rev: []byte{0x04, 0x03, 0x02, 0x01},
},
{
arr: []byte{0x01, 0x02, 0x03, 0x04, 0x05},
rev: []byte{0x05, 0x04, 0x03, 0x02, 0x01},
},
}
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func TestArrayReverse(t *testing.T) {
for _, tc := range testCases {
arg := make([]byte, len(tc.arr))
copy(arg, tc.arr)
have := ArrayReverse(arg)
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require.Equal(t, tc.rev, have)
// test that argument was copied
for i := range have {
have[i] = ^have[i]
}
require.Equal(t, tc.arr, arg)
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}
}