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package obu
import (
"errors"
"testing"
)
func TestLEB128(t *testing.T) {
for _, test := range []struct {
Value uint
Encoded uint
}{
{0, 0},
{5, 5},
{999999, 0xBF843D},
} {
test := test
encoded := EncodeLEB128(test.Value)
if encoded != test.Encoded {
t.Fatalf("Actual(%d) did not equal expected(%d)", encoded, test.Encoded)
}
decoded := decodeLEB128(encoded)
if decoded != test.Value {
t.Fatalf("Actual(%d) did not equal expected(%d)", decoded, test.Value)
}
}
}
func TestReadLeb128(t *testing.T) {
if _, _, err := ReadLeb128(nil); !errors.Is(err, ErrFailedToReadLEB128) {
t.Fatal("ReadLeb128 on a nil buffer should return an error")
}
if _, _, err := ReadLeb128([]byte{0xFF}); !errors.Is(err, ErrFailedToReadLEB128) {
t.Fatal("ReadLeb128 on a buffer with all MSB set should fail")
}
}
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