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package wav
import (
"bytes"
"io"
"strings"
"testing"
"github.com/cheekybits/is"
)
var (
riff = []byte{0x52, 0x49, 0x46, 0x46} // "RIFF"
chunkSize24 = []byte{0x24, 0x00, 0x00, 0x00} // chunkSize
wave = []byte{0x57, 0x41, 0x56, 0x45} // "WAVE"
fmt20 = []byte{0x66, 0x6d, 0x74, 0x20} // "fmt "
testRiffChunkFmt = []byte{
0x10, 0x00, 0x00, 0x00, // LengthOfHeader
0x01, 0x00, // AudioFormat
0x01, 0x00, // NumOfChannels
0x44, 0xac, 0x00, 0x00, // SampleRate
0x88, 0x58, 0x01, 0x00, // BytesPerSec
0x02, 0x00, // BytesPerBloc
0x10, 0x00, // BitsPerSample
0x64, 0x61, 0x74, 0x61, // "data"
}
wavWithOneSample []byte
)
func init() {
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x26, 0x00, 0x00, 0x00}) // chunkSize
b.Write(wave)
b.Write(fmt20)
b.Write(testRiffChunkFmt)
b.Write([]byte{0x02, 0x00, 0x00, 0x00}) // 2 bytes of samples - this part of the header is why wav length is capped at 32bit
b.Write([]byte{0x01, 0x01})
wavWithOneSample = b.Bytes()
}
func TestNewReader_inputTooLarge(t *testing.T) {
t.Parallel()
is := is.New(t)
_, err := NewReader(
bytes.NewReader([]byte{}),
99999999999999999)
is.Equal(err, ErrInputToLarge)
}
func TestParseHeaders_complete(t *testing.T) {
t.Parallel()
is := is.New(t)
// Parsing the header of an wav with 0 samples
var b bytes.Buffer
b.Write(riff)
b.Write(chunkSize24)
b.Write(wave)
b.Write(fmt20)
b.Write(testRiffChunkFmt)
b.Write([]byte{0x00, 0x00, 0x00, 0x00})
wavFile := bytes.NewReader(b.Bytes())
wavReader, err := NewReader(wavFile, int64(b.Len()))
is.NoErr(err)
is.Equal(uint32(0), wavReader.GetSampleCount())
is.Equal(File{
SampleRate: 44100,
Channels: 1,
SignificantBits: 16,
AudioFormat: 1,
Canonical: true,
BytesPerSecond: 88200,
}, wavReader.GetFile())
}
func TestParseHeaders_tooShort(t *testing.T) {
t.Parallel()
is := is.New(t)
wavData := append(riff, 0x08, 0x00)
wavFile := bytes.NewReader(wavData)
_, err := NewReader(wavFile, int64(len(wavData)))
is.Err(err)
is.Equal(err, io.ErrUnexpectedEOF)
}
func TestParseHeaders_chunkFmtMissing(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x04, 0x00, 0x00, 0x00}) // chunkSize
b.Write(wave)
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(err, io.ErrUnexpectedEOF)
}
func TestParseHeaders_chunkFmtTooShort(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x08, 0x00, 0x00, 0x00}) // chunkSize
b.Write(wave)
b.Write(fmt20)
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(err, io.ErrUnexpectedEOF)
}
func TestParseHeaders_chunkFmtTooShort2(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x0a, 0x00, 0x00, 0x00}) // chunkSize
b.Write(wave)
b.Write(fmt20)
b.Write([]byte{0, 0})
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(err, io.ErrUnexpectedEOF)
}
func TestParseHeaders_corruptRiff(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write([]byte{0x52, 0, 0x46, 0x46}) // "R\0FF"
b.Write(chunkSize24)
b.Write(wave)
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(ErrNotRiff, err)
}
func TestParseHeaders_chunkSizeNull(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x00, 0x00, 0x00, 0x00}) // chunkSize
b.Write(wave)
b.Write(fmt20)
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(ErrIncorrectChunkSize{8, 16}, err)
is.Equal("Incorrect ChunkSize. Got[8] Wanted[16]", err.Error())
}
func TestParseHeaders_notWave(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write([]byte{0x09, 0x00, 0x00, 0x00}) // chunkSize
b.Write([]byte{0x57, 0x42, 0x56, 0x45}) // "WBVE"
b.Write(fmt20)
b.Write([]byte{0})
wavFile := bytes.NewReader(b.Bytes())
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(ErrNotWave, err)
}
func TestParseHeaders_fmtNotSupported(t *testing.T) {
t.Parallel()
is := is.New(t)
var b bytes.Buffer
b.Write(riff)
b.Write(chunkSize24)
b.Write(wave)
b.Write(fmt20)
b.Write(testRiffChunkFmt)
b.Write([]byte{0x00, 0x00, 0x00, 0x00})
buf := b.Bytes()
buf[21] = 2 // change byte 5 of riffChunk
wavFile := bytes.NewReader(buf)
_, err := NewReader(wavFile, int64(b.Len()))
is.Err(err)
is.Equal(ErrFormatNotSupported, err)
}
func TestReadSample_Raw(t *testing.T) {
t.Parallel()
is := is.New(t)
wavFile := bytes.NewReader(wavWithOneSample)
wavReader, err := NewReader(wavFile, int64(len(wavWithOneSample)))
is.NoErr(err)
is.Equal(uint32(1), wavReader.GetSampleCount())
rawSample, err := wavReader.ReadRawSample()
is.NoErr(err)
is.Equal([]byte{1, 1}, rawSample)
}
func TestReadSample(t *testing.T) {
t.Parallel()
is := is.New(t)
wavFile := bytes.NewReader(wavWithOneSample)
wavReader, err := NewReader(wavFile, int64(len(wavWithOneSample)))
is.NoErr(err)
is.Equal(uint32(1), wavReader.GetSampleCount())
sample, err := wavReader.ReadSample()
is.NoErr(err)
is.Equal(257, sample)
}
// panic: runtime error: invalid memory address or nil pointer dereference
// [signal 0xb code=0x1 addr=0x4 pc=0x4399fb]
//
// goroutine 1 [running]:
// github.com/cryptix/wav.(*Reader).parseHeaders(0xc208033720, 0x0, 0x0)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/reader.go:191 +0xe3b
// github.com/cryptix/wav.NewReader(0x7f23a9550bd8, 0xc208037c80, 0x2d, 0xc208033720, 0x0, 0x0)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/reader.go:64 +0x177
// github.com/cryptix/wav.Fuzz(0x7f23a92cf000, 0x2d, 0x100000, 0x2)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/fuzz.go:12 +0x167
// github.com/dvyukov/go-fuzz/go-fuzz-dep.Main(0x570c60, 0x5d4200, 0x5f6, 0x5f6)
// /home/cryptix/go/src/github.com/dvyukov/go-fuzz/go-fuzz-dep/main.go:64 +0x309
// main.main()
// /tmp/go-fuzz-build857960013/src/go-fuzz-main/main.go:10 +0x4e
// exit status 2
func TestReadFuzzed_panic1(t *testing.T) {
t.Parallel()
is := is.New(t)
wavFile := strings.NewReader("RIFF%\x00\x00\x00WAVE0000\x10\x00\x00\x000000000000000000data00000")
_, err := NewReader(wavFile, int64(wavFile.Len()))
is.Err(err)
is.Equal(ErrBrokenChunkFmt, err)
}
// panic: runtime error: integer divide by zero
// [signal 0x8 code=0x1 addr=0x439ae9 pc=0x439ae9]
//
// goroutine 1 [running]:
// github.com/cryptix/wav.(*Reader).parseHeaders(0xc208032cd0, 0x0, 0x0)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/reader.go:200 +0xf29
// github.com/cryptix/wav.NewReader(0x7fbca32b6bd8, 0xc208037ef0, 0x2d, 0xc208032cd0, 0x0, 0x0)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/reader.go:64 +0x177
// github.com/cryptix/wav.Fuzz(0x7fbca3035000, 0x2d, 0x100000, 0x2)
// /tmp/go-fuzz-build857960013/src/github.com/cryptix/wav/fuzz.go:12 +0x167
// github.com/dvyukov/go-fuzz/go-fuzz-dep.Main(0x570c60, 0x5d4200, 0x5f6, 0x5f6)
// /home/cryptix/go/src/github.com/dvyukov/go-fuzz/go-fuzz-dep/main.go:64 +0x309
// main.main()
// /tmp/go-fuzz-build857960013/src/go-fuzz-main/main.go:10 +0x4e
// exit status 2
func TestReadFuzzed_panic2(t *testing.T) {
t.Parallel()
is := is.New(t)
wavFile := strings.NewReader("RIFF%\x00\x00\x00WAVEfmt \x10\x00\x00\x00\x01\x00000000000000\a\x00data00000")
_, err := NewReader(wavFile, int64(wavFile.Len()))
is.Err(err)
is.Equal(ErrBrokenChunkFmt, err)
}
|
