lazarus/streaming/streaming_test.go
2019-02-10 08:55:14 -08:00

44 lines
752 B
Go

package streaming
import (
"bytes"
"log"
"testing"
)
var data = []byte{
0x01, // 00000001
0x23, // 00100011
0x45, // 01000101
0x67, // 01100111
0x89, // 01100111
0xAB, // 10101011
0xCD, // 11001101
0xEF, // 11101111
}
func TestBitReader(t *testing.T) {
r := NewBitReader(bytes.NewReader(data))
test := func(count int, expected uint64) {
if value := r.ReadUint(count); value != expected {
log.Printf("value: %.16x, expected: %.16x\n", value, expected)
t.Fail()
}
if err := r.Error(); err != nil {
log.Printf("error: %s\n", err.Error())
t.Fail()
}
}
test(0, 0x00)
test(8, 0x01)
test(16, 0x4523)
test(3, 0x67&0x07)
test(13, 0x8967>>3)
test(13, 0xcdab&0x1fff)
test(2, (0xcdab>>13)&3)
test(9, 0xefcdab>>15)
}