neoneo-go/pkg/util/slice/array_test.go

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package slice
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},
},
}
func TestCopyReverse(t *testing.T) {
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for _, tc := range testCases {
arg := Copy(tc.arr)
require.Equal(t, tc.arr, arg)
have := CopyReverse(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)
Reverse(arg)
require.Equal(t, tc.rev, arg)
if len(tc.arr) > 1 {
require.NotEqual(t, tc.arr, arg)
}
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}
}
func TestClean(t *testing.T) {
for _, tc := range testCases[1:] { // Empty one will be equal.
cp := Copy(tc.arr)
Clean(cp)
require.NotEqual(t, tc.arr, cp)
}
}