43 lines
960 B
Go
43 lines
960 B
Go
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package leb128
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import (
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"bytes"
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"testing"
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)
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func TestEncodeUnsigned(t *testing.T) {
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tc := []uint64{0x00, 0x7f, 0x80, 0x8f, 0xffff, 0xfffffff7}
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for i := range tc {
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var buf bytes.Buffer
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EncodeUnsigned(&buf, tc[i])
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enc := append([]byte{}, buf.Bytes()...)
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buf.Write([]byte{0x1, 0x2, 0x3})
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out, c := DecodeUnsigned(&buf)
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t.Logf("input %x output %x encoded %x", tc[i], out, enc)
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if c != uint32(len(enc)) {
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t.Errorf("wrong encode")
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}
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if out != tc[i] {
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t.Errorf("wrong encode")
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}
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}
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}
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func TestEncodeSigned(t *testing.T) {
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tc := []int64{2, -2, 127, -127, 128, -128, 129, -129}
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for i := range tc {
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var buf bytes.Buffer
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EncodeSigned(&buf, tc[i])
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enc := append([]byte{}, buf.Bytes()...)
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buf.Write([]byte{0x1, 0x2, 0x3})
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out, c := DecodeSigned(&buf)
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t.Logf("input %x output %x encoded %x", tc[i], out, enc)
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if c != uint32(len(enc)) {
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t.Errorf("wrong encode")
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}
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if out != tc[i] {
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t.Errorf("wrong encode")
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}
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}
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}
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