39 lines
866 B
Go
39 lines
866 B
Go
package common
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import (
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"bytes"
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"testing"
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)
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var (
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testCase = map[uint32][4]byte {
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0: [...]byte{0, 0, 0, 0},
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1: [...]byte{0, 0, 0, 1},
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256: [...]byte{0, 0, 1, 0},
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256 * 256: [...]byte{0, 1, 0, 0},
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256 * 256 * 256: [...]byte{1, 0, 0, 0},
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256 * 256 * 256 + 256 * 256 + 256 + 1: [...]byte{1, 1, 1, 1},
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4294967295 : [...]byte{0xFF, 0xFF, 0xFF, 0xFF},
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}
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)
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func TestUint32ToBytes(t *testing.T) {
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for k, v := range testCase {
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b := Uint32ToBytes(k)
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if bytes.Compare(b[:], v[:]) != 0 {
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t.Errorf("%v was expected, but %v was got", v, b)
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}
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}
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}
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func TestBytesToUint32s(t *testing.T) {
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for k, v := range testCase {
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u := BytesToUint32([4]byte(v))
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if u != k {
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t.Errorf("%v was expected, but %v was got", k, u)
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}
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}
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}
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