forked from Kelvyne/swf
/
parser_test.go
142 lines (123 loc) · 2.96 KB
/
parser_test.go
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package swf
import (
"bytes"
"io"
"os"
"reflect"
"testing"
)
const (
fixturePath = "./fixtures/big.swf"
)
func createReader(t *testing.T) *os.File {
file, err := os.Open(fixturePath)
if err != nil {
t.Fatalf("expected nil, got %v", err)
}
return file
}
func TestParse(t *testing.T) {
file := createReader(t)
defer file.Close()
p := NewParser(file)
swf, err := p.Parse()
if err != nil {
t.Fatalf("expected nil, got %v", err)
}
correctHeader := Header{
CompressionZlib,
11, 11605652,
Rect{16, 0, 25600, 0, 20480},
50.0, 1,
}
if !reflect.DeepEqual(swf.Header, correctHeader) {
t.Errorf("expected %v, got %v", correctHeader, swf.Header)
}
doAbc, ok := swf.Tags[0].(*TagDoABC)
if !ok {
t.Errorf("expected %v to be a *TagDoABC", swf.Tags[0])
}
if doAbc.Name != "frame1" {
t.Errorf("expected 'frame1', got %v", doAbc.Name)
}
if len(doAbc.ABCData) != 7973009 {
t.Errorf("expected 7973009, got %v", len(doAbc.ABCData))
}
}
func TestParseHeader(t *testing.T) {
headerBytes := []byte{
0x46, 0x57, 0x53,
0x0b,
0x94, 0x16, 0xb1, 0x00,
0x80, 0x00, 0x03, 0x20, 0x00, 0x00, 0x02, 0x80, 0x00,
0x00, 0x32,
0x01, 0x00,
}
p := newParser(bytes.NewReader(headerBytes))
header, err := p.ParseHeader()
if err != nil {
t.Fatalf("expected nil, got %v", err)
}
correctHeader := Header{
CompressionNone,
11, 11605652,
Rect{16, 0, 25600, 0, 20480},
50.0, 1,
}
if !reflect.DeepEqual(header, correctHeader) {
t.Errorf("expected %v, got %v", correctHeader, header)
}
}
func TestParseRect(t *testing.T) {
rectBytes := []byte{0x80, 0x00, 0x03, 0x20, 0x00, 0x00, 0x02, 0x80, 0x00}
p := newParser(bytes.NewReader(rectBytes))
rect, err := p.ParseRect()
if err != nil {
t.Fatalf("expected nil, got %v", err)
}
if rect.NBits != 16 {
t.Errorf("expected 16, got %v", rect.NBits)
}
if rect.Xmin != 0 {
t.Errorf("expected 0, got %v", rect.Xmin)
}
if rect.Xmax != 25600 {
t.Errorf("expected 25600, got %v", rect.Xmax)
}
if rect.Ymin != 0 {
t.Errorf("expected 0, got %v", rect.Xmin)
}
if rect.Ymax != 20480 {
t.Errorf("expected 20480, got %v", rect.Xmax)
}
var fails = [][]byte{
rectBytes[0:1],
rectBytes[0:3],
rectBytes[0:5],
rectBytes[0:7],
}
for _, fail := range fails {
func(b []byte) {
pFail := newParser(bytes.NewReader(b))
_, err := pFail.ParseRect()
if err != io.ErrUnexpectedEOF {
t.Errorf("expected io.ErrUnexpectedEOF, got %v", err)
}
}(fail)
}
}
func TestHandleEOF(t *testing.T) {
pFail := newParser(bytes.NewReader([]byte{0}))
if err := pFail.handleEOF(nil); err != nil {
t.Errorf("expected nil, got %v", err)
}
if err := pFail.handleEOF(io.ErrNoProgress); err != io.ErrNoProgress {
t.Errorf("expected io.ErroNoProgress, got %v", err)
}
if err := pFail.handleEOF(io.EOF); err != io.ErrUnexpectedEOF {
t.Errorf("expected io.ErrUnexpectedEOF, got %v", err)
}
if err := pFail.handleEOF(io.ErrUnexpectedEOF); err != io.ErrUnexpectedEOF {
t.Errorf("expected io.ErrUnexpectedEOF, got %v", err)
}
}