mirror of https://github.com/poanetwork/gecko.git
utils: Add test for Packer.UnpackByte
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1fe5092e9b
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@ -8,7 +8,11 @@ import (
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"testing"
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)
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func TestPackerByte(t *testing.T) {
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const (
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ByteSentinal = 0
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)
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func TestPackerPackByte(t *testing.T) {
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p := Packer{MaxSize: 1}
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p.PackByte(0x01)
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@ -25,6 +29,34 @@ func TestPackerByte(t *testing.T) {
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if !bytes.Equal(p.Bytes, expected) {
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t.Fatalf("Packer.PackByte wrote:\n%v\nExpected:\n%v", p.Bytes, expected)
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}
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p.PackByte(0x02)
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if !p.Errored() {
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t.Fatal("Packer.PackByte did not fail when attempt was beyond p.MaxSize")
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}
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}
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func TestPackerUnpackByte(t *testing.T) {
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var (
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p = Packer{Bytes: []byte{0x01}, Offset: 0}
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actual = p.UnpackByte()
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expected byte = 1
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expectedLen = ByteLen
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)
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if p.Errored() {
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t.Fatalf("Packer.UnpackByte unexpectedly raised %s", p.Err)
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} else if actual != expected {
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t.Fatalf("Packer.UnpackByte returned %d, but expected %d", actual, expected)
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} else if p.Offset != expectedLen {
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t.Fatalf("Packer.UnpackByte left Offset %d, expected %d", p.Offset, expectedLen)
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}
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actual = p.UnpackByte()
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if !p.Errored() {
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t.Fatalf("Packer.UnpackByte should have set error, due to attempted out of bounds read")
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} else if actual != ByteSentinal {
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t.Fatalf("Packer.UnpackByte returned %d, expected sentinal value %d", actual, ByteSentinal)
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}
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}
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func TestPackerShort(t *testing.T) {
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