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ogg_test.go
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ogg_test.go
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// Copyright 2012 The Ogg Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ogg
import (
"bytes"
"fmt"
"log"
"os"
"reflect"
"testing"
)
var (
streamStateEnc, streamStateDecr StreamState
syncState SyncState
sequence int64
lastno int32
)
func checkpacket(op *Packet, length int, no int, pos int64) {
if len(op.Packet) != length {
fmt.Fprintf(os.Stderr, "incorrect packet length (%ld != %ld)!\n", len(op.Packet), length)
os.Exit(1)
}
if op.GranulePos != pos {
fmt.Fprintf(os.Stderr, "incorrect packet granpos (%ld != %ld)!\n", op.GranulePos, pos)
os.Exit(1)
}
// packet number just follows sequence/gap; adjust the input number for that
if no == 0 {
sequence = 0
} else {
sequence++
if no > int(lastno+1) {
sequence++
}
}
lastno = int32(no)
if op.PacketNo != sequence {
fmt.Fprintf(os.Stderr, "incorrect packet sequence %d != %d\n",
op.PacketNo, sequence)
os.Exit(1)
}
// Test data
for j := range op.Packet {
if op.Packet[j] != (byte(j+no) & 0xff) {
fmt.Fprintf(os.Stderr, "body data mismatch (1) at pos %d: %x!=%x!\n\n",
j, op.Packet[j], (j+no)&0xff)
os.Exit(1)
}
}
}
func check_page(data []byte, header []byte, page *Page) {
// Test data
for j := range page.Body {
if page.Body[j] != data[j] {
fmt.Fprintf(os.Stderr, "body data mismatch (2) at pos %d: %x!=%x!\n\n",
j, data[j], page.Body[j])
os.Exit(1)
}
}
// Test header
for j := range page.Header {
if page.Header[j] != header[j] {
fmt.Fprintf(os.Stderr, "header content mismatch at pos %d:\n", j)
for j = 0; j < int(header[26])+27; j++ {
fmt.Fprintf(os.Stderr, " (%d)%02x:%02x", j, header[j], page.Header[j])
}
fmt.Fprintf(os.Stderr, "\n")
os.Exit(1)
}
}
if len(page.Header) != int(header[26])+27 {
fmt.Fprintf(os.Stderr, "header length incorrect! (%d!=%d)\n",
len(page.Header), int(header[26])+27)
os.Exit(1)
}
}
func print_header(page *Page) {
fmt.Fprintf(os.Stderr, "\nHEADER:\n")
fmt.Fprintf(os.Stderr, " capture: %c %c %c %c version: %d flags: %x\n",
page.Header[0], page.Header[1], page.Header[2], page.Header[3],
int(page.Header[4]), int(page.Header[5]))
fmt.Fprintf(os.Stderr, " granulepos: %d serialno: %d pageno: %ld\n",
(page.Header[9]<<24)|(page.Header[8]<<16)|
(page.Header[7]<<8)|page.Header[6],
(page.Header[17]<<24)|(page.Header[16]<<16)|
(page.Header[15]<<8)|page.Header[14],
(page.Header[21]<<24)|(page.Header[20]<<16)|
(page.Header[19]<<8)|page.Header[18])
fmt.Fprintf(os.Stderr, " checksum: %02x:%02x:%02x:%02x\n segments: %d (",
int(page.Header[22]), int(page.Header[23]),
int(page.Header[24]), int(page.Header[25]),
int(page.Header[26]))
for j := 27; j < len(page.Header); j++ {
fmt.Fprintf(os.Stderr, "%d ", page.Header[j])
}
fmt.Fprintf(os.Stderr, ")\n\n")
}
func copy_page(page *Page) {
temp := make([]byte, len(page.Header))
copy(temp, page.Header)
page.Header = temp
temp = make([]byte, len(page.Body))
copy(temp, page.Body)
page.Body = temp
}
func free_page(page *Page) {
page.Header = nil
page.Body = nil
}
func Error() {
fmt.Fprintf(os.Stderr, "error!\n")
os.Exit(1)
}
// 17 only
var head1_0 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x06,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0x15, 0xed, 0xec, 0x91,
1, 17}
// 17, 254, 255, 256, 500, 510, 600 byte, pad
var head1_1 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0x59, 0x10, 0x6c, 0x2c,
1, 17}
var head2_1 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x04,
0x07, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0x89, 0x33, 0x85, 0xce,
13, 254, 255, 0, 255, 1, 255, 245, 255, 255, 0,
255, 255, 90}
// nil packets; beginning,middle,end
var head1_2 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_2 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x04,
0x07, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0x5c, 0x3f, 0x66, 0xcb,
17, 17, 254, 255, 0, 0, 255, 1, 0, 255, 245, 255, 255, 0,
255, 255, 90, 0}
// large initial packet
var head1_3 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0x01, 0x27, 0x31, 0xaa,
18, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 10}
var head2_3 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x04,
0x07, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0x7f, 0x4e, 0x8a, 0xd2,
4, 255, 4, 255, 0}
// continuing packet test
var head1_4 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_4 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0xf8, 0x3c, 0x19, 0x79,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255}
var head3_4 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x05,
0x07, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 2, 0, 0, 0,
0x38, 0xe6, 0xb6, 0x28,
6, 255, 220, 255, 4, 255, 0}
// spill expansion test
var head1_4b = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_4b = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x00,
0x07, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0xce, 0x8f, 0x17, 0x1a,
23, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 10, 255, 4, 255, 0, 0}
var head3_4b = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x04,
0x07, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 2, 0, 0, 0,
0x9b, 0xb2, 0x50, 0xa1,
1, 0}
// page with the 255 segment limit
var head1_5 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_5 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x00,
0x07, 0xfc, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0xed, 0x2a, 0x2e, 0xa7,
255,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10}
var head3_5 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x04,
0x07, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 2, 0, 0, 0,
0x6c, 0x3b, 0x82, 0x3d,
1, 50}
// packet that overspans over an entire page
var head1_6 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_6 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x00,
0x07, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0x68, 0x22, 0x7c, 0x3d,
255, 100,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255}
var head3_6 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x01,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x01, 0x02, 0x03, 0x04, 2, 0, 0, 0,
0xf4, 0x87, 0xba, 0xf3,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255}
var head4_6 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x05,
0x07, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 3, 0, 0, 0,
0xf7, 0x2f, 0x6c, 0x60,
5, 254, 255, 4, 255, 0}
// packet that overspans over an entire page
var head1_7 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0, 0, 0, 0,
0xff, 0x7b, 0x23, 0x17,
1, 0}
var head2_7 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x00,
0x07, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 1, 0, 0, 0,
0x68, 0x22, 0x7c, 0x3d,
255, 100,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255}
var head3_7 = []byte{0x4f, 0x67, 0x67, 0x53, 0, 0x05,
0x07, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 2, 0, 0, 0,
0xd4, 0xe0, 0x60, 0xe5,
1, 0}
func test_pack(pl []int32, headers [][]byte, byteskip, pageskip, packetskip int) {
var (
data = make([]byte, 1024*1024) // for scripted test cases only
inptr int
outptr int
deptr int
depacket int32
granule_pos int64 = 7
pageno int
packets int
pageout = pageskip
eosflag bool
bosflag bool
byteskipcount int
err error
)
streamStateEnc.Reset()
streamStateDecr.Reset()
syncState.Reset()
for packets = 0; packets < packetskip; packets++ {
depacket += pl[packets]
}
for packets = 0; ; packets++ {
if pl[packets] == -1 {
break
}
}
for i := 0; i < packets; i++ {
var op Packet // construct a test packet
length := int(pl[i])
op.Packet = data[inptr : inptr+length]
if pl[i+1] < 0 {
op.EOS = true
} else {
op.EOS = false
}
op.GranulePos = granule_pos
granule_pos += 1024
for j := range op.Packet {
op.Packet[j] = byte(i) + byte(j)
inptr++
}
// submit the test packet
if err = streamStateEnc.PacketIn(&op); err != nil {
fmt.Println("streamStateEnc PacketIn returned not null")
}
// retrieve any finished pages
var page Page
for streamStateEnc.PageOut(&page) == true {
// We have a page. Check it carefully
fmt.Fprintf(os.Stderr, "%d, ", pageno)
if headers[pageno] == nil {
fmt.Fprintf(os.Stderr, "coded too many pages!\n")
}
check_page(data[outptr:], headers[pageno], &page)
outptr += len(page.Body)
pageno++
if pageskip != 0 {
bosflag = true
pageskip--
deptr += len(page.Body)
}
// have a complete page; submit it to sync/decode
var pageDec Page
var packetDec, packetDec2 Packet
buf := syncState.Buffer(len(page.Header) + len(page.Body))
if buf == nil {
log.Fatal("buffer is nil\n")
}
var offset int
byteskipcount += len(page.Header)
if byteskipcount > int(byteskip) {
copy(buf, page.Header[0:byteskipcount-byteskip])
offset += byteskipcount - byteskip
byteskipcount = byteskip
}
byteskipcount += len(page.Body)
if byteskipcount > byteskip {
copy(buf[offset:], page.Body[0:byteskipcount-byteskip])
offset += (byteskipcount - byteskip)
byteskipcount = byteskip
}
if syncState.Wrote(offset) == -1 {
log.Fatal("func Wrote returned -1")
}
for {
ret := syncState.PageOut(&pageDec)
if ret == 0 {
break
}
if ret < 0 {
continue
}
// got a page. Happy happy. Verify that it's good.
fmt.Fprintf(os.Stderr, "(%d)", pageout)
check_page(data[deptr:], headers[pageout], &pageDec)
deptr += len(pageDec.Body)
pageout++
// submit it to deconstitution
if err = streamStateDecr.PageIn(&pageDec); err != nil {
log.Fatal(err)
}
// packets out?
for streamStateDecr.PacketPeek(&packetDec2) > 0 {
streamStateDecr.PacketPeek(nil)
streamStateDecr.PacketOut(&packetDec) // just catching them all
// verify peek and out match
if reflect.DeepEqual(packetDec, packetDec2) == false {
fmt.Fprintf(os.Stderr, "packetout != packetpeek! pos=%d\n",
depacket)
os.Exit(1)
}
// verify the packet!
// check data
if bytes.Equal(data[depacket:depacket+int32(len(packetDec.Packet))], packetDec.Packet) == false {
fmt.Fprintf(os.Stderr, "packet data mismatch in decode! pos=%d\n",
depacket)
os.Exit(1)
}
// check bos flag
if bosflag == false && packetDec.BOS == false {
fmt.Fprintf(os.Stderr, "BOS flag not set on packet!\n")
os.Exit(1)
}
if bosflag && packetDec.BOS != false {
fmt.Fprintf(os.Stderr, "BOS flag incorrectly set on packet!\n")
os.Exit(1)
}
bosflag = true
depacket += int32(len(packetDec.Packet))
// check eos flag
if eosflag {
fmt.Fprintf(os.Stderr, "Multiple decoded packets with eos flag!\n")
os.Exit(1)
}
if packetDec.EOS != false {
eosflag = true
}
// check granulepos flag
if packetDec.GranulePos != -1 {
fmt.Fprintf(os.Stderr, " granule:%d ", packetDec.GranulePos)
}
}
}
}
}
if headers[pageno] != nil {
fmt.Fprintf(os.Stderr, "did not write last page!\n")
}
if headers[pageout] != nil {
fmt.Fprintf(os.Stderr, "did not decode last page!\n")
}
if inptr != outptr {
fmt.Fprintf(os.Stderr, "encoded page data incomplete!\n")
}
if inptr != deptr {
fmt.Fprintf(os.Stderr, "decoded page data incomplete!\n")
}
if inptr != int(depacket) {
fmt.Fprintf(os.Stderr, "decoded packet data incomplete!\n")
}
if eosflag == false {
fmt.Fprintf(os.Stderr, "Never got a packet with EOS set!\n")
}
fmt.Fprintf(os.Stderr, "ok.\n")
}
//
// Main test routine
//
func TestFraming(t *testing.T) {
streamStateEnc.Init(0x04030201)
streamStateDecr.Init(0x04030201)
// Exercise each code path in the framing code. Also verify that
// the checksums are working.
{
// 17 only
var packets = []int32{17, -1}
var headret = [][]byte{head1_0, nil}
fmt.Fprintf(os.Stderr, "testing single page encoding... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// 17, 254, 255, 256, 500, 510, 600 byte, pad
var packets = []int32{17, 254, 255, 256, 500, 510, 600, -1}
var headret = [][]byte{head1_1, head2_1, nil}
fmt.Fprintf(os.Stderr, "testing basic page encoding... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// nil packets; beginning,middle,end
var packets = []int32{0, 17, 254, 255, 0, 256, 0, 500, 510, 600, 0, -1}
var headret = [][]byte{head1_2, head2_2, nil}
fmt.Fprintf(os.Stderr, "testing basic nil packets... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// large initial packet
var packets = []int32{4345, 259, 255, -1}
var headret = [][]byte{head1_3, head2_3, nil}
fmt.Fprintf(os.Stderr, "testing initial-packet lacing > 4k... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// continuing packet test; with page spill expansion, we have to
// overflow the lacing table.
var packets = []int32{0, 65500, 259, 255, -1}
var headret = [][]byte{head1_4, head2_4, head3_4, nil}
fmt.Fprintf(os.Stderr, "testing single packet page span... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// spill expand packet test
var packets = []int32{0, 4345, 259, 255, 0, 0, -1}
var headret = [][]byte{head1_4b, head2_4b, head3_4b, nil}
fmt.Fprintf(os.Stderr, "testing page spill expansion... ")
test_pack(packets, headret, 0, 0, 0)
}
// page with the 255 segment limit
{
var packets = []int32{0,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 50, -1}
var headret = [][]byte{head1_5, head2_5, head3_5, nil}
fmt.Fprintf(os.Stderr, "testing max packet segments... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// packet that overspans over an entire page
var packets = []int32{0, 100, 130049, 259, 255, -1}
var headret = [][]byte{head1_6, head2_6, head3_6, head4_6, nil}
fmt.Fprintf(os.Stderr, "testing very large packets... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// test for the libogg 1.1.1 resync in large continuation bug
// found by Josh Coalson)
var packets = []int32{0, 100, 130049, 259, 255, -1}
var headret = [][]byte{head1_6, head2_6, head3_6, head4_6, nil}
fmt.Fprintf(os.Stderr, "testing continuation resync in very large packets... ")
test_pack(packets, headret, 100, 2, 3)
}
{
// term only page. why not?
var packets = []int32{0, 100, 64770, -1}
var headret = [][]byte{head1_7, head2_7, head3_7, nil}
fmt.Fprintf(os.Stderr, "testing zero data page (1 nil packet)... ")
test_pack(packets, headret, 0, 0, 0)
}
{
// build a bunch of pages for testing
data := make([]byte, 1024*1024)
pl := []int32{0, 1, 1, 98, 4079, 1, 1, 2954, 2057, 76, 34, 912, 0, 234, 1000, 1000, 1000, 300, -1}
var inptr, i int32
var page [5]Page
streamStateEnc.Reset()
for i = 0; pl[i] != -1; i++ {
var op Packet
length := pl[i]
op.Packet = data[inptr : inptr+length]
if pl[i+1] < 0 {
op.EOS = true
} else {
op.EOS = false
}
op.GranulePos = int64((i + 1) * 1000)
for j := range op.Packet {
op.Packet[j] = byte(i) + byte(j)
}
streamStateEnc.PacketIn(&op)
}
data = nil
// retrieve finished pages
for i = 0; i < 5; i++ {
if streamStateEnc.PageOut(&page[i]) == false {
fmt.Fprintf(os.Stderr, "Too few pages output building sync tests!\n")
os.Exit(1)
}
copy_page(&page[i])
}
// Test lost pages on pagein/packetout: no rollback
{
var temp Page
var test Packet
fmt.Fprintf(os.Stderr, "Testing loss of pages... ")
syncState.Reset()
streamStateDecr.Reset()
for i = 0; i < 5; i++ {
copy(syncState.Buffer(len(page[i].Header)), page[i].Header)
syncState.Wrote(len(page[i].Header))
copy(syncState.Buffer(len(page[i].Body)), page[i].Body)
syncState.Wrote(len(page[i].Body))
}
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
syncState.PageOut(&temp)
// skip
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
// do we get the expected results/packets?
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 0, 0, 0)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 1, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 2, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 98, 3, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 4079, 4, 5000)
if streamStateDecr.PacketOut(&test) != -1 {
fmt.Fprintf(os.Stderr, "Error: loss of page did not return error\n")
os.Exit(1)
}
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 76, 9, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 34, 10, -1)
fmt.Fprintf(os.Stderr, "ok.\n")
}
// Test lost pages on pagein/packetout: rollback with continuation
{
var temp Page
var test Packet
fmt.Fprintf(os.Stderr, "Testing loss of pages (rollback required)... ")
syncState.Reset()
streamStateDecr.Reset()
for i = 0; i < 5; i++ {
copy(syncState.Buffer(len(page[i].Header)), page[i].Header)
syncState.Wrote(len(page[i].Header))
copy(syncState.Buffer(len(page[i].Body)), page[i].Body)
syncState.Wrote(len(page[i].Body))
}
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
syncState.PageOut(&temp)
// skip
syncState.PageOut(&temp)
streamStateDecr.PageIn(&temp)
// do we get the expected results/packets?
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 0, 0, 0)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 1, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 2, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 98, 3, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 4079, 4, 5000)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 5, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 1, 6, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 2954, 7, -1)
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 2057, 8, 9000)
if streamStateDecr.PacketOut(&test) != -1 {
fmt.Fprintf(os.Stderr, "Error: loss of page did not return error\n")
os.Exit(1)
}
if streamStateDecr.PacketOut(&test) != 1 {
Error()
}
checkpacket(&test, 300, 17, 18000)
fmt.Fprintf(os.Stderr, "ok.\n")
}
// the rest only test sync
{
var pageDec Page
// Test fractional page inputs: incomplete capture
fmt.Fprintf(os.Stderr, "Testing sync on partial inputs... ")
syncState.Reset()
copy(syncState.Buffer(len(page[1].Header)), page[1].Header[0:3])
syncState.Wrote(3)
if syncState.PageOut(&pageDec) > 0 {
Error()
}
// Test fractional page inputs: incomplete fixed header
copy(syncState.Buffer(len(page[1].Header)), page[1].Header[3:3+20])
syncState.Wrote(20)
if syncState.PageOut(&pageDec) > 0 {
Error()
}
// Test fractional page inputs: incomplete header
copy(syncState.Buffer(len(page[1].Header)), page[1].Header[23:23+5])
syncState.Wrote(5)
if syncState.PageOut(&pageDec) > 0 {
Error()
}
// Test fractional page inputs: incomplete body
copy(syncState.Buffer(len(page[1].Header)), page[1].Header[28:])
syncState.Wrote(len(page[1].Header) - 28)
if syncState.PageOut(&pageDec) > 0 {
Error()
}
copy(syncState.Buffer(len(page[1].Body)), page[1].Body[0:1000])
syncState.Wrote(1000)
if syncState.PageOut(&pageDec) > 0 {
Error()
}
copy(syncState.Buffer(len(page[1].Body)), page[1].Body[1000:])
syncState.Wrote(len(page[1].Body) - 1000)
if syncState.PageOut(&pageDec) <= 0 {
Error()
}
fmt.Fprintf(os.Stderr, "ok.\n")
}
// Test fractional page inputs: page + incomplete capture
{